TWM625172U - Pivot for dual screens - Google Patents

Abstract

A pivot device applied to double screens includes a base, a pivot base, two connecting rods, two coupling parts, two shaft bodies and two linking parts. The two connecting rods are respectively rotatably arranged in the accommodating portion of the base, and the first end of each connecting rod is pivotally connected to the accommodating portion. The first coupling portion of each coupling member is movably disposed in the accommodating portion, and the second coupling portion of the coupling member is pivotally connected to the second end of the connecting rod. The two shafts are arranged on the base. The linkage mechanism connects the shaft body and makes the shaft body rotate synchronously. Through the connection structure of the shaft body, the linkage mechanism and the linkage, the joint can be rotated between a first position with an included angle of 0 degrees and a second position with an included angle of 180 degrees, and at the same time, the first joint of the joint can be rotated from the first position. The edge close to the pivot seat moves toward the center of the pivot seat.

Description

Pivot for dual screens

This work is related to a pivot for an electronic device, especially a pivot that is applied to an electronic device with dual screens and keeps the two screens in close contact during the relative rotation.

Some electronic devices have novel designs, such as smartphones with foldable screens. Some electronic devices with foldable screens have a display panel straddled between two bodies. The display panels themselves are flexible, and the display panels are bent when the bodies rotate relative to each other. Some have two display panels respectively arranged in two bodies, and the two display panels rotate with the body, there is often a problem that the edge of the display panel has a large gap, for example, as the body is overlapped from each other relative to each other. The position starts to rotate, the distance between the two display panels will gradually increase as the body rotates and unfolds, and when the two bodies are 180 degrees from each other, the two display panels are flush, but the distance between the edges reaches Maximum, this will affect the integrity and continuity of the screen when users watch the screen.

In view of this, the purpose of this creation is to provide a pivot device applied to a dual screen, which can minimize the gap between the two bodies of the electronic device when the two bodies of the electronic device rotate with each other through the arrangement of the connecting rods and the sliding grooves. , so that the distance between the two display panels can be kept to a minimum when the body rotates relatively, so that the picture can maintain the integrity and coherence.

An embodiment of the pivot device applied to dual screens of the present invention includes a base, a pivot base, two connecting rods, two coupling parts, two shaft bodies, and two linking parts. The pivot seat is arranged on the base and has two accommodating parts. Two connecting rods are respectively rotatably disposed in the accommodating parts of the base, each connecting rod has a first end and a second end, and the first end is pivotally connected to the accommodating parts. Each coupling element has a first coupling portion and a second coupling portion, the first coupling portion is movably disposed in the accommodating portion, and the second coupling portion is pivotally connected to the second end of the link. Two shafts are arranged on the base. The linkage mechanism is connected with the shaft bodies, and makes the shaft bodies rotate synchronously. Each linking piece is respectively connected with one of the shaft body and one of the coupling pieces. The coupling elements are rotated relative to each other through the shaft body, the linkage mechanism and the connection structure of the linkage elements, and can be located between a first position with an angle of 0 degrees and a second position with an angle of 180 degrees. Rotating, when the coupling elements are rotated from the first position to the second position, the first coupling part of the coupling element moves from the edge close to the pivoting seat to the center of the pivoting seat.

In another embodiment, the accommodating portions are concave portions disposed on the pivot base, and the accommodating portions are oppositely disposed and open in opposite directions.

In another embodiment, the pivot device for dual screens of the present invention further includes two first protruding pins, wherein the side walls of the pivot base that constitute the accommodating portions are respectively provided with a first chute, the The first protruding pins are respectively fixed to the first joint parts of the joint piece and are movably arranged in the first chute.

In another embodiment, the chute has a first end and a second end, the first end corresponds to the first position, the second end corresponds to the second position, and the first end is close to the edge of the pivot seat, The second end is close to the center of the pivot base.

In another embodiment, the connecting rod has a positioning groove, and the positioning groove is arranged so that when the coupling elements rotate to the second position, the first protruding pin abuts against the connecting rod and engages with the positioning groove.

In another embodiment, the linkage member includes a first linkage portion and a second linkage portion, the first linkage portion is connected to the shaft body, the second linkage portion is connected to the coupling member, and the first linkage portion and the second linkage portion are connected Relatively movable connection.

In another embodiment, the linkage further includes a second protruding pin, the second linkage portion has a second chute, the second protruding pin is disposed on the first joint portion, and is movably disposed in the second chute, The second chute is perpendicular to the shafts.

In another embodiment, the linkage mechanism includes a first gear, a second gear and a third gear, the first gear and the second gear are respectively arranged on the shafts, and the third gear is engaged with the first gear and the third gear. Second gear.

In another embodiment, the pivot device for dual screens of the present invention further includes a first torsion force generating module, the first torsion force generating module includes a plurality of torsion pieces, each of the torsion pieces includes two The annular connecting parts of the notches, the annular connecting parts of each of the torsion plates are respectively connected to the shaft bodies.

In another embodiment, the pivot device for dual screens of the present invention further includes a second torsion force generating module, the second torsion force generating module includes a plurality of dish springs, and the dish springs are respectively stacked and arranged On the shafts, the second torque generating module and the first torque generating module are located on opposite sides of the linkage mechanism.

The pivot device applied to the dual screen of the present invention is arranged on the pivot base by means of a connecting rod, and the first joint portion of the coupling member can move on the pivot base, and the second joint portion of the coupling member is pivotally connected to the connecting rod, so that the When the coupling piece rotates relative to the pivot base, the coupling piece also approaches the center of the pivot base at the same time. When the combination piece is connected to the body of the electronic device, when the two bodies rotate with the combination piece, the body itself will also be close to the center of the pivot seat at the same time, so that the display panel installed on the body can keep the minimum gap at any time. In this way, better picture integrity and coherence can be obtained.

10: Pedestal

11: Support plate

20: Pivot seat

21: accommodating part

30: Bonding pieces

31: The first joint

32: The second joint

33: The third joint

34: Fourth junction

35: The first pin

40: connecting rod

41: First End

42: Second End

43: Positioning slot

50: Linkage

51: The first linkage

52: Second linkage

53: The second pin

60: Shaft body

70: Linkage mechanism

71: First gear

72: Second gear

73: Third gear

80: The first torque generation module

81: Torsion piece

82: Ring connection part

83: Notch

90: The second torque generation module

91: dish spring

92: Movable cam piece

93: Fixed cam piece

100: Pivot for dual monitors

211: Top Wall

212: Sidewall

213: Shaft hole

214: First Chute

521: Second chute

2141: First End

2142: Second End

E: electronic device

P: display panel

S1, S2: shaft rod

FIG. 1 is a perspective view of an electronic device with a pivot device applied to a dual monitor.

FIG. 2 is a perspective view of an embodiment of the pivot device for dual monitors of the present invention, wherein the pivot device for the dual monitors of the present invention is in an open state.

FIG. 3 is a three-dimensional view of an embodiment of a pivot device applied to a dual-screen of the present invention. The pivot of the dual-screen of the present invention is in a closed state.

FIG. 4 is a perspective view of the pivot device of FIG. 3 applied to a dual monitor from another viewing angle.

FIG. 5 is a partially exploded perspective view of an embodiment of a pivot device applied to a dual monitor of the present invention.

FIG. 6 is another partial exploded perspective view of an embodiment of the pivot device applied to the dual-screen of the present invention.

7 to 10 are cross-sectional views taken along the line A-A in FIG. 3 , which respectively illustrate the structure of the joint of the present invention applied to the dual-screen pivot from a first position overlapping each other and unfolding to a fully unfolding second position The change.

11 and 12 are three-dimensional cross-sectional views taken along the line C-C in FIG. 4 , which respectively show the change of the structure of the coupling member from the first position and the second position when the pivot used in the dual-screen is overlapped with each other.

13 and 14 are cross-sectional views taken along the line B-B in FIG. 3 , which respectively show the change of the structure of the linking member from the first position and the second position when the pivot device applied to the dual-screen is overlapped with each other.

Please refer to FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 , and FIG. 6 , which illustrate an embodiment of the pivot device applied to the dual-screen of the present invention. The pivot device 100 applied to the dual screen of this embodiment includes a base 10, a pivot base 20, two coupling parts 30, two connecting rods 40, two linking parts 50, two shaft bodies 60, a The linkage mechanism 70 , a first torque generating module 80 and a second torque generating module 90 .

The base 10 is disposed on the electronic device E and has a semi-cylindrical shape for accommodating the pivot base 20 , the shaft body 60 , the linkage mechanism 70 , the first torque generating module 80 and the second torque generating module 90 .

The pivot base 20 is disposed on the base 10 , and the pivot base 20 is in the shape of a bow, and includes two accommodating portions 21 . The accommodating portion 21 is a concave portion of the pivot base 20 , and the accommodating portion 21 is formed by a top wall 211 and two opposite side walls 212 . The two accommodating portions 21 are disposed on opposite sides of the pivot base 20 and the openings face opposite directions. The two side walls 212 of each accommodating portion 21 are respectively provided with shaft holes 213 and first sliding grooves 214 at corresponding positions. The first sliding grooves 214 are arc-shaped and extend from the edge near the pivot seat 20 to the position near the pivot At the center of the base 20 , the first chute 214 has a first end 2141 and a second end 2142 .

The two connecting rods 40 are respectively disposed in the accommodating portion 21 of the pivot base 20 . Each connecting rod 40 has a first end 41 , a second end 42 and a positioning groove 43 . The positioning groove 43 is provided on the surface of the connecting rod 40 and is located between the first end 41 and the second end 42 . The first end 41 and the second end 42 are respectively provided with shaft holes 213 . The first end 41 of the connecting rod 40 corresponds to the shaft hole 213 of the accommodating portion 21 , and the first end 41 of the connecting rod 40 is connected to the shaft hole 213 of the accommodating portion 21 through the shaft S1 , whereby the The first end 41 and the accommodating portion 21 form a pivoted structure.

The coupling member 30 is connected with the connecting rod 40 and the pivot base 20 . The coupling member 30 has a first coupling portion 31 , a second coupling portion 32 , a third coupling portion 33 and a fourth coupling portion 34 . The first joint portion 31 and the second joint portion 32 are disposed in the accommodating portion 21 of the pivot base 20 , and the first joint portion 31 corresponds to the first chute 214 of the accommodating portion 21 . The first joint portion 31 is provided with The first protruding pin 35 is movably disposed on the first sliding slot 214 , so that the first coupling part 31 can move between the first end 2141 and the second end 2142 along the first sliding slot 214 . The second connecting portion 32 corresponds to the second end 42 of the connecting rod 40 , and the second connecting portion 32 is connected to the second end 42 by the shaft S2 , so that the second connecting portion 32 forms a pivotal structure with the connecting rod 40 . The third coupling portion 33 is coupled with the linking member 50 to be described later, so that the rotation of the shaft body 60 is transmitted to the coupling member 30 through the structure in which the third coupling portion 33 is coupled with the coupling member 50 , thereby causing the coupling member 30 to rotate, and the coupling member 30 The rotation of the connecting member 30 is restricted by the connecting rod 40 and the first sliding groove 214 so that the coupling member 30 moves toward the center of the pivot base 20 . The fourth connecting portion 34 is connected to the body of the electronic device E, so the fourth connecting portion 34 of the two connecting members 30 are respectively connected to the two bodies of the electronic device E that carry the display panel.

The linking member 50 connects the shaft body 60 and the combination member 30 . The linking member 50 includes a first linking portion 51 and a second linking portion 52 . The third joint portion 33 . The second linkage portion 52 is provided with a second sliding groove 521 , and the second sliding groove 521 extends in a direction (radial direction) perpendicular to the shaft body 60 . The first linkage portion 51 is provided with a second protruding pin 53 , and the second protruding pin 53 is movably disposed in the second chute 521 , so that the first linkage portion 51 and the second linkage portion 52 can move relatively. When the coupling member 30 rotates and moves toward the center of the pivot base 20 , the second linking portion 52 and the first linking portion 51 can move relative to each other, so that the linking member 50 connects the shaft body 60 and the coupling member to transmit the power of the shaft body 60 . While rotating, it also moves to the center of the pivot base 20 (shaft body 60 ) synchronously with the coupling member 30 .

The two shaft bodies 60 are rotatably disposed on the base 10 , the base 10 has a plurality of support plates 11 , and the two shaft bodies 60 are rotatably passed through the support plates 11 . The two shaft bodies 60 are D-shaped shafts, and the first link portion 51 of the link member 50 has a D-shaped shaft hole to be combined with the shaft body 60 , so that the link member 50 and the shaft body 60 rotate synchronously. The linkage mechanism 70 is disposed between the two shaft bodies 60 . The linkage mechanism 70 in this embodiment is a gear set, which includes a first gear 71 , a second gear 72 , a third gear 73 , and a first gear 71 and a second gear 72 The third gear 73 is arranged between the first gear 71 and the second gear 72 and meshes with the first gear 71 and the second gear 72 respectively. The first gear 71 and the second gear 72 have The same diameter and number of teeth make the two shaft bodies 60 rotate synchronously and at the same speed, and rotate in opposite directions. The first gear 71 , the second gear 72 and the third gear 73 in this embodiment are spur gears.

The first torsion force generating module 80 includes a plurality of torsion pieces 81 , each torsion piece 81 has two annular connecting portions 82 , each annular connecting portion 82 is provided with a gap 83 , and the two annular connecting portions 82 are respectively connected to the shaft body 60 . , the shaft body 60 rotates to elastically deform the annular connecting portion 82 , whereby the torsion plate 81 applies torsion force to the shaft body 60 .

The second torque generating module 90 includes a plurality of dish-shaped springs 91 disposed on the two shaft bodies 60 . The movable cam member 92 abuts on the fixed cam member 93 , and the fixed cam member 93 is fixed on the shaft body 60 to move the cam member 93 . 92 As the shaft body 60 rotates, the cam surface of the fixed cam member 93 produces axial movement along the shaft body 60, so that the movable cam member 92 pushes the dish spring 91, and the dish spring 91 elastically deforms to transmit the reaction force. to the fixed cam member 93 fixed to the shaft body 60 , thereby applying torsion force to the shaft body 60 .

Please refer to FIGS. 7 to 10 , and FIGS. 11 and 12 , wherein FIGS. 7 and 11 show the state in which the two coupling members 30 and the display panel P coupled to the coupling members 30 of the present embodiment are in the first position overlapping each other. , at this time, the included angle between the two coupling members 30 and the two display panels P is 0 degrees. At this time, the first protruding pin 35 is located at the first end 2141 of the first sliding slot 214 .

As shown in FIG. 8 and FIG. 9 , when the coupling member 30 rotates relative to the pivot base 20 due to the transmission of the rotation of the rotating shaft 60 by the link member 50 , the second coupling portion 32 of the coupling member 30 is pivotally connected relative to the connecting member 40 . Block 20 At the same time, the first protruding pin 35 is moved from the first end 2141 of the first sliding groove 214 along the first sliding groove 214 , and the first connecting portion 31 of the coupling member 30 moves along the first sliding groove 214 from close to the pivot seat. The edge of 20 gradually moves toward the center of pivot base 20 . Thereby, the edges of the two display panels P are kept in a state of being adjacent to each other, so that the gap between the two display panels P is minimized. FIG. 8 shows that the angle between the two display panels P is 60 degrees, and FIG. 9 shows that the angle between the two display panels P is 90 degrees.

FIG. 10 and FIG. 12 show the fully expanded state between the two binding members 30 and between the two display panels P, that is, an included angle of 180 degrees is formed between the two display panels P. As shown in FIG. At this time, the first protruding pin 35 moves along the first sliding groove 214 to the second end 2142 , and the first protruding pin 35 is engaged in the positioning groove 43 of the connecting rod 40 , so that the two display panels P remain positioned and combined. The first joint portion 31 of the component 30 is moved to be close to the center of the pivot base 20, so that the gap between the two display panels P is minimized when the two display panels P are fully unfolded, so that the images displayed by the two display panels P can be optimally generated. Integrity and coherence, avoiding the visual incongruity caused by the gap.

FIGS. 13 and 14 show the structural states of the link 50 in the first position and the second position. It can be seen from FIG. 13 and FIG. 14 that the shaft S1 moves in the second chute 521, so that when the second linking part 52 moves with The linking portion 52 moves radially toward the shaft body 60 along the second chute 521 , thereby providing the linking member 50 to transmit the rotation of the shaft body 60 to the coupling member 30 and connecting the coupling member 30 when the coupling member 30 rotates. The linking member 50 itself can also move synchronously with the linking member 30 in the state that the linking member 30 moves from the edge of the pivot base 20 to the center, so as to avoid the linking member 30 being restricted by the linking member 50 and unable to move from the edge of the pivot base 20 to the center. Center moves.

The pivot device applied to the dual screen of the present invention is arranged on the pivot base by means of a connecting rod, and the first joint portion of the coupling member can move on the pivot base, and the second joint portion of the coupling member is pivotally connected to the connecting rod, so that the When the coupling piece rotates relative to the pivot base, the coupling piece also approaches the center of the pivot base at the same time. When the combination piece is connected to the body of the electronic device, when the two bodies rotate with the combination piece, the body itself will also be close to the center of the pivot seat at the same time, so that the display panel installed on the body can keep the minimum gap at any time. In this way, better picture integrity and coherence can be obtained.

However, the above are only the preferred embodiments of the present creation, and should not limit the scope of implementation of the present creation, that is, any simple equivalent changes and modifications made according to the patent scope of the present creation and the description of the new model, All are still within the scope of this creative patent. In addition, any embodiment of the present invention or the scope of the patent application is not required to achieve all the purposes or advantages or features disclosed in the present invention. In addition, the abstract section and the title are only used to aid the search of patent documents and are not intended to limit the scope of rights of this creation. In addition, terms such as "first" and "second" mentioned in this specification or the scope of the patent application are only used to name the elements or to distinguish different embodiments or scopes, and are not used to limit the number of elements. upper or lower limit.

10: Pedestal

20: Pivot seat

30: Bonding pieces

50: Linkage

60: Shaft body

70: Linkage mechanism

80: The first torque generation module

90: The second torque generation module

100: Pivot for dual monitors

E: electronic device

Claims (10)

A pivot device applied to dual screens, comprising: a base; a pivot seat, disposed on the base and having two accommodating parts; two connecting rods, respectively rotatably disposed in the accommodating parts of the base, each connecting rod has a first end and a second end, and the first end is pivotally connected to the accommodating part; Two coupling parts, each coupling part has a first coupling part and a second coupling part, the first coupling part is movably arranged in the accommodating part, the second coupling part is pivotally connected to the connecting rod second end; Two shaft bodies are arranged on the base; a linkage mechanism, connecting the shaft bodies and making the shaft bodies rotate synchronously; and Two linking pieces, each linking piece is respectively connected with one of the shaft body and one of the combination piece; The coupling elements are rotated relative to each other through the shaft body, the linkage mechanism and the connection structure of the linkage elements, and can be positioned between a first position with an included angle of 0 degrees and a second position with an included angle of 180 degrees. During rotation, when the coupling members rotate from the first position to the second position, the first coupling portion of the coupling member moves from the edge close to the pivot seat to the center of the pivot seat. The pivot device for dual screens as claimed in claim 1, wherein the accommodating portions are concave portions disposed in the pivot base, and the accommodating portions are disposed opposite to each other and open in opposite directions. The pivot device for dual screens as claimed in claim 2, further comprising two first protruding pins, wherein the side walls of the pivot base that constitute the accommodating portions are respectively provided with a first chute, the The first protruding pins are respectively fixed to the first coupling portion of the coupling element and are movably disposed in the first chute. The pivot for dual screens as claimed in claim 3, wherein the chute has a first end and a second end, the first end corresponds to the first position, and the second end corresponds to the In the second position, the first end is close to the edge of the pivot base, and the second end is close to the center of the pivot base. The pivot device for dual screens as claimed in claim 3, wherein the link has a positioning slot, and the positioning slot is arranged so that when the coupling elements rotate to the second position, the first protruding pin abuts against on the connecting rod and engaged with the positioning groove. The pivot device for dual screens as claimed in claim 1, wherein the linkage member includes a first linkage portion and a second linkage portion, the first linkage portion is connected to the shaft body, and the second linkage portion is connected to In the coupling element, the first linking portion and the second linking portion are connected in a relatively movable manner. The pivot for dual screens as claimed in claim 6, wherein the linkage further comprises a second protruding pin, the second linkage portion has a second sliding groove, and the second protruding pin is disposed on the first protruding pin The linkage part is movably arranged on the second chute, and the second chute is perpendicular to the shafts. The pivot for dual screens as claimed in claim 1, wherein the linkage mechanism comprises a first gear, a second gear and a third gear, the first gear and the second gear are respectively disposed in the A shaft body, the third gear meshes with the first gear and the second gear. The pivot device for dual screens as claimed in claim 1, further comprising a first torsion force generating module, the first torsion force generating module comprising a plurality of torsion pieces, each of the torsion pieces comprising two notches The annular connecting parts of each of the torsion plates are respectively connected to the shaft bodies. The pivot device for dual screens as claimed in claim 9, further comprising a second torsion force generating module, the second torsion force generating module comprising a plurality of dish-shaped springs, and the dish-shaped springs are respectively stacked on the The shafts, the second torque generating module and the first torque generating module are located on opposite sides of the linkage mechanism.

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