TWM606578U - Double open end pivot apparatus - Google Patents

Abstract

A double-sided pivot device is provided with a rotational force module that provides rotational force to the shaft of the pivot device. When the two screens of the electronic device are closed, the rotational force module provides pre-torque on the shaft. When one screen of the electronic device is fixed and the other screen is opened, the rotation force module provides torque on the shaft to assist the user to easily open the other screen, so as to open the dual-screen electronic device with one hand Any screen.

Description

Double-sided opening pivot device

This creation is related to the technical field of a pivot structure, especially a double-sided opening pivot device.

A notebook computer has a host and a screen. The screen is usually connected to the host by a pivot device. When the user is not using the notebook computer, the screen can be covered with the host by the pivot device. When the user needs to use the notebook computer, the user rotates the screen relative to the host by the pivot device to use. Today's notebook computers are much heavier than the screen, so users can lift the screen with one hand because of the weight of the mainframe. However, as today’s notebook computers may develop a dual-screen style in the future, the two screens connected by a pivot device have similar weights. However, as far as the existing pivot structure is concerned, it is impossible to achieve a dual-screen notebook computer. The screen is fixed and the other screen is opened with one hand.

In view of this, the purpose of this creation is to provide a double-sided pivot device, which is provided with a rotational force module that provides rotational force to the shaft of the pivot device. When the two screens of the electronic device are closed, the rotational force module Provide pre-torque on the shaft body, when the user wants to fix a screen of the electronic device When the other screen is opened, the rotation force module provides torque on the shaft body to assist the user to easily open the other screen, thereby enabling to open any screen of the dual-screen electronic device with one hand.

An embodiment of the double-sided opening pivot device of the present invention includes a first shaft body, a second shaft body, a torsion module, a linkage module, a first rotational force module, and a first elastic member. The first shaft body is connected to a first fixing plate. The second shaft is connected to a second fixing plate and is arranged parallel to the first shaft. The torsion module connects the first shaft body and the second shaft body, and interferes with the first shaft body and the second shaft body to generate elastic deformation to provide the first shaft body and the second shaft body torsion . The linkage module connects the first shaft body and the second shaft body, and the first shaft body and the second shaft body are linked by the linkage module to rotate in opposite directions. The first rotational force module is pierced by the first shaft, and includes a first fixed concave cam and a first rotating concave cam. The first rotating concave cam rotates with the first rotating shaft, and the first The rotating shaft is rotatable relative to the first fixed concave cam, the first fixed concave cam has a first engaging curved surface, the first rotating concave cam has a second engaging curved surface, and the first engaging curved surface extends along the first shaft body Axially abuts on the second joint curved surface and can rotate relative to the second joint curved surface. One end of the first elastic member is fixed to the first shaft body, and the other end of the first elastic member abuts against the first rotary concave cam. When the first shaft body and the second shaft body rotate in opposite directions, the first joint curved surface rotates relative to the second joint curved surface, and the first joint curved surface interferes with the second joint curved surface, causing the first The rotary concave cam moves relative to the first fixed concave cam along the axial direction of the first shaft body, and pushes the first elastic body, so that the first elastic body is elastically deformed.

The double-sided opening pivot device of the present invention is provided with a first rotational force module, and the first elastic member presses the first rotary concave cam so that the second engaging curved surface of the first rotary concave cam abuts against the first fixed concave cam A joint curved surface allows the first joint curved surface to exert a reaction force on the second joint curved surface to provide the first shaft body torsion, so that the first shaft body rotates, thereby assisting the user to open the screen with one hand.

5: The first fixing plate

6: The second fixing plate

10: The first shaft

20: second shaft body

30: Torque module

31: Torque parts

40: Linkage module

41: The first gear

42: second gear

43: first transmission gear

44: second transmission gear

50: The first rotational force module

51: The first fixed concave cam

52: The first rotating concave cam

60: The first elastic part

70: The second rotation force module

71: second fixed concave cam

72: second rotating concave cam

80: second elastic part

90: limit module

91: stop

92: limit piece

100: Double-sided open pivot device

311: Through hole

312: C-shaped hole

511: first joint surface

512: Convex

513: Vertex

521: Second joint surface

522: Concave

523: bottom point

523a: first position

523b: second position

711: Third Joint Surface

712: Convex

713: Vertex

721: Fourth Joint Surface

722: Concave

723: Bottom Point

723a: first position

723b: second position

911: substrate

912: Stop Block

913: stop surface

921: Limit Surface

E: Electronic device

E1, E2: part

Figure 1 is a schematic diagram of the application of the double-sided pivot device created by the notebook computer.

Figure 2 is a perspective view of an embodiment of the double-sided pivoting device created.

Fig. 3 is an exploded perspective view of the double-sided hinge device of Fig. 2.

Fig. 4 is a perspective view of the first rotary concave cam and the second rotary concave cam of the double-sided pivoting device of Fig. 2.

Fig. 5 is a schematic diagram of the first shaft and the second shaft of the double-sided hinge device of Fig. 2 at 0 degrees to each other.

Fig. 6 is a schematic diagram of the first shaft and the second shaft of the double-sided pivoting device of Fig. 2 rotated by 45 degrees relative to each other.

Fig. 7 is a schematic diagram of the first shaft and the second shaft of the double-sided hinge device of Fig. 2 rotated by 90 degrees relative to each other.

Fig. 8 is a schematic diagram of the first shaft body and the second shaft body of the double-sided hinge device of Fig. 2 rotated by 135 degrees relative to each other.

Figure 9 is a schematic diagram of an electronic device using the double-sided pivoting device created by this invention that can be opened with one hand for both screens.

Please refer to Figure 1, Figure 2, and Figure 3, which show an embodiment of the double-sided opening pivot device of the present invention. The double-sided opening pivot device 100 of this creation includes a first shaft body 10 and a second shaft The body 20, a torque module 30, a linkage module 40, a first rotational force module 50 and a first elastic member 60. The double-sided opening pivot device 100 of the present invention further includes a second rotational force module 70 and a second elastic member 80.

The first shaft body 10 is connected to a first fixing plate 5. The second shaft body 20 is connected to a second fixing plate 6 and is arranged parallel to the first shaft body 10. As shown in Figures 2 and 3, the first fixing plate 5 is fixed to the first shaft body 10, and the second fixing plate 6 is fixed to the second shaft body 20. As shown in Figure 1, the first fixing plate 5 and the second fixing plate 6 can be respectively connected to two parts E1 and E2 of the electronic device E that are expected to be opened. In this embodiment, the electronic device E is a notebook computer, and the two openable parts E1 and E2 are two screens of the notebook computer. The first shaft body 10 and the second shaft body 20 are D-shaped shafts.

The torsion module 30 connects the first shaft body 10 and the second shaft body 20, and interferes with the first shaft body 10 and the second shaft body 20 to generate elastic deformation, so as to provide the first shaft body 10 and the second shaft body 20 Torque. The torsion module 30 includes a plurality of torsion members 31, and each torsion member 31 connects the first shaft body 10 and the second shaft body 20 and forms an interference with the first shaft body 10 or the second shaft body 20 to generate elastic deformation to provide torque In the first shaft 10 or the second shaft 20. Each torsion member 31 has a sheet shape and has a through hole 311 and a C-shaped hole 312. The first shaft body 10 passes through the through hole 311, and the second shaft body 20 passes through the C-shaped hole 312.

The linkage module 40 connects the first shaft 10 and the second shaft 20, and the first shaft 10 and the second shaft 20 are linked by the linkage module 40 to rotate in opposite directions. In this embodiment, the linkage module 40 includes a first gear 41, a second gear 42, a first transmission gear 43 and a second transmission gear 44. The first gear 41 has a D-shaped hole, and the first gear 41 is mounted on the first shaft body 10 and rotates with the first shaft body 10. The second gear 42 has a D-shaped hole, and the second gear 42 is mounted on the second shaft body 20 and rotates with the second shaft body 20. The first transmission gear 43 meshes with the first gear 10, and the second transmission gear 44 It meshes with the second gear 42, and the first transmission gear 43 meshes with the second transmission gear 44. Thereby, the first shaft body 10 and the second shaft body 20 are linked by the linkage module 40 to rotate in opposite directions.

The first rotational force module 50 is penetrated by the first shaft body 10 and includes a first fixed concave cam 51 and a first rotating concave cam 52. The first rotating concave cam 52 has a D-shaped hole and is installed on the first shaft body 10, so the first rotating concave cam 52 rotates with the first rotating shaft 10. The first fixed concave cam 51 has a circular hole, and the first rotating shaft 10 passes through the circular hole, so that the first rotating shaft 10 can rotate relative to the first fixed concave cam 51. One end of the first elastic member 60 is fixed to the first shaft body 10, and the other end thereof abuts against the first rotary concave cam 52.

Similarly, the second rotational force module 70 is penetrated by the second shaft body 20 and includes a second fixed concave cam 71 and a second rotating concave cam 72. The second rotating concave cam 72 has a D-shaped hole and is installed on the second shaft body 20, so the second rotating concave cam 72 rotates with the second rotating shaft 20. The second fixed concave cam 71 has a circular hole, and the second rotating shaft 20 passes through the circular hole, so that the second rotating shaft 20 can rotate relative to the second fixed concave cam 71. One end of the second elastic member 80 is fixed to the second shaft body 20, and the other end of the second elastic member 80 abuts against the second rotary concave cam 72.

The first fixed concave cam 51 has a first engaging curved surface 511, and the first rotating concave cam 52 has a second engaging curved surface 521. The first elastic member 60 is pressed against the first rotating concave cam 52 to make the first engaging curved surface The 511 abuts against the second joint curved surface 521 along the axial direction of the first shaft body 10 and is rotatable relative to the second joint curved surface 521. In this embodiment, the first joint curved surface 511 includes at least one convex surface 512, the second joint curved surface 521 includes at least one concave surface 522, the convex surface 512 has a vertex 513, the concave surface 522 has a bottom point 523, and the vertex 513 is the highest of the convex surface 512. The bottom point 523 is the lowest point of the concave surface 522. When the second joint curved surface 521 rotates relative to the first joint curved surface 511, the vertex 513 moves along the concave surface 522. In this embodiment, the first joint curved surface 511 includes two convex surfaces 512, and the convex surfaces 512 is arranged oppositely at an angular distance of 180 degrees, and the second joint curved surface 521 includes two concave surfaces 522, and the concave surfaces 522 are arranged oppositely at an angular distance of 180 degrees. The two convex surfaces 512 correspond to the two concave surfaces 522 respectively.

The second fixed concave cam 71 has a third engaging curved surface 711, and the second rotating concave cam 72 has a fourth engaging curved surface 721. With the other end of the second elastic member 80 abutting against the second rotating concave cam 72, the first The three-joint curved surface 711 abuts on the fourth joint curved surface 721 and can rotate relative to the fourth joint curved surface 721. The third joint curved surface 711 includes at least one convex surface 712, the fourth joint curved surface 721 includes at least one concave surface 722, the convex surface 712 has a vertex 713, and the concave surface 722 has a bottom point 723. When the fourth joint curved surface 721 is opposite to the third joint When the curved surface 711 rotates, the vertex 713 moves along the concave surface 722.

When the first shaft 10 and the second shaft 20 rotate in opposite directions, the first joint curved surface 511 rotates relative to the second joint curved surface 521, and the first joint curved surface 511 and the second joint curved surface 521 interfere, causing the first The rotary concave cam 52 moves relative to the first fixed concave cam 51 along the axial direction of the first shaft body 10 and pushes the first elastic body 60 to cause the first elastic body 60 to be elastically deformed. Similarly, when the first shaft body 10 and the second shaft body 20 rotate in opposite directions, the third joint curved surface 711 rotates relative to the fourth joint curved surface 721, and the third joint curved surface 711 and the fourth joint curved surface 721 interfere. The second rotating concave cam 72 is moved relative to the second fixed concave cam 71 along the axial direction of the second shaft body 20, and the second elastic body 80 is pressed, so that the second elastic body 80 is elastically deformed.

As shown in Figures 2 and 3, the double-sided pivot device 100 of the present invention further includes a limit module 90, which includes a stop member 91 and a limit member 92, the limit member 92 has D The shaped hole is mounted on the first shaft 10 or the second shaft 20 and rotates with the first shaft 10 or the second shaft 20. In this embodiment, the limit module 90 includes two stop members 91 and two limit members 92. The two limit members are divided into Do not install on the first shaft body 10 and the second shaft body 20. The first shaft body 10 or the second shaft body 20 rotates relative to the stopper 91. The stopper 92 has two stop surfaces 921, and the stop surfaces 921 abut against the stopper 91 to define the first shaft. The rotation angle of the body 10 and the second shaft body 20. In this embodiment, the rotation angle has a range of 0 to 135 degrees, and as shown in FIG. 2, when the angle is 0 degrees, the first fixing plate 5 and the second fixing plate 6 are parallel. When the first shaft 10 and the second shaft 20 rotate in opposite directions, the first fixing plate 5 and the second fixing plate 6 can gradually increase from 0 degrees to 135 degrees.

The stopper 91 includes a base plate 911 and at least one stop block 912. The first shaft 10 and the second shaft 20 pass through the base plate 911 and can rotate relative to the base plate 911. The stop block 912 is disposed on the base plate 911, and the stop block 912 has two stop surfaces 913, and the stop surfaces 913 respectively correspond to the stop surfaces 921. When the limiting member 92 rotates with the first shaft body 10 or the second shaft body 20, the two limiting surfaces 921 of the limiting member 92 respectively abut against the two stopping surfaces 913 of the stop block 912. The range of the rotation angle of the first shaft body 10 and the second shaft body 20 is defined. In this embodiment, the stopper 91 includes two stoppers 912, and the two stoppers 912 respectively correspond to the two stoppers 92.

As shown in Figure 4, since the rotation angle of the first shaft body 10 and the second shaft body 20 in this embodiment ranges from 0 degrees to 135 degrees, the vertex 513 of the convex surface 512 of the first joint curved surface 511 is at the above When the rotation angles are 0 degrees, 90 degrees, and 135 degrees, they abut against the first position 523a, the bottom point 523, and the second position 523b of the concave surface 522 of the second joint curved surface 521, respectively. The first position 523a is higher than the second position 523b, and the second position 523b is higher than the bottom point 523. Similarly, the vertex 713 of the convex surface 712 of the third joint curved surface 711 abuts on the first position 723a and the bottom point 723 of the concave surface 722 of the fourth joint curved surface 721 when the rotation angles are 0 degrees, 90 degrees, and 135 degrees. And the second position 723b. The first position 723a is higher than the second position 723b, and the second position 723b is higher than the bottom point 723.

As shown in Figures 5, 6, and 7, when the rotation angle of the first shaft body 10 and the second shaft body 20 increases from 0 degrees to 90 degrees, the vertex 513 of the convex surface 512 moves from the highest point to the first position 523a gradually drops to the bottom point 523. Similarly, the vertex 713 of the convex surface 712 gradually descends from the first position 723 a of the highest point to the bottom point 723. The reaction force applied by the apex 513 of the first fixed concave cam 51 to the first rotating concave cam 52 provides the moment (torque) of the first shaft 10, and the torsion member 31 of the torque module 30 rotates the first shaft 10, The reaction force applied by the apex 713 of the two fixed concave cams 71 to the second rotating concave cam 72 provides the moment (torque) of the second shaft 20, and the torsion member 31 of the torque module 30 rotates the second shaft 20. In this way, the user can rotate the first shaft 10 and the second shaft 20 with only a little force, so that each part E1 or E2 of the electronic device E can be opened with one hand to a state orthogonal to each other.

As shown in Figure 8, when the rotation angle of the first shaft body 10 and the second shaft body 20 continues to increase from 90 degrees to 135 degrees, the vertex 513 of the convex surface 512 gradually rises from the bottom point 523 of the lowest point to the second position 523b. Similarly, the vertex 713 of the convex surface 712 gradually rises from the bottom point 723 of the lowest point to the second position 723b. The reaction force applied by the vertex 513 of the first fixed concave cam 51 to the first rotating concave cam 52 provides a moment (torsion) in the opposite direction of the first shaft body 10, and the vertex 713 of the second fixed concave cam 71 is applied to the second rotating concave cam The reaction force of 72 provides a moment (torsion) in the opposite direction of the second shaft body 20, which makes it more laborious for the user to form each part E1 or E2 of the electronic device E at an angle greater than 90 degrees. Moreover, when each part E1 or E2 of the electronic device E is covered with each other, the vertex 513 of the convex surface 512 gradually rises from the bottom point 523 of the lowest point to the first position 523a, and the vertex 713 of the convex surface 712 rises from the bottom point 723 of the lowest point. Gradually ascending to the first position 723a, the user will be more laborious, but can still complete the closing action with one hand.

As shown in Figure 9, the user can use any part E1 or E2 of the electronic device E as a fixed part and open the other part E2 or E1 with one hand.

The double-sided opening pivot device of the present invention is provided with a first rotational force module, and the first elastic member presses the first rotary concave cam so that the second engaging curved surface of the first rotary concave cam abuts against the first fixed concave cam A joint curved surface allows the first joint curved surface to exert a reaction force on the second joint curved surface to provide the first shaft body torsion, so that the first shaft body rotates, thereby assisting the user to open the screen with one hand.

However, the above are only the preferred embodiments of this creation, and should not be used to limit the scope of implementation of this creation, that is, simple equivalent changes and modifications made according to the scope of patent application and description of the invention in this creation, All are still within the scope of this creation patent. In addition, any embodiment of this creation or the scope of the patent application does not have to achieve all the purposes or advantages or features disclosed in the creation. In addition, the abstract part and title are only used to assist the search of patent documents, not to limit the scope of rights of this creation. In addition, the terms "first" and "second" mentioned in this specification or the scope of the patent application are only used to name the element (element) or to distinguish different embodiments or ranges, and are not used to limit the number of elements. Upper or lower limit.

5: The first fixing plate

6: The second fixing plate

10: The first shaft

20: second shaft body

30: Torque module

40: Linkage module

50: The first rotational force module

60: The first elastic part

70: The second rotation force module

80: second elastic part

90: limit module

100: Double-sided open pivot device

Claims (12)

A double-sided opening pivot device, which includes: A first shaft body connected to a first fixing plate; A second shaft connected to a second fixing plate and arranged parallel to the first shaft; A torsion module connects the first shaft and the second shaft, and interferes with the first shaft and the second shaft to generate elastic deformation to provide the first shaft and the second shaft Body torque A linkage module connecting the first shaft body and the second shaft body, the first shaft body and the second shaft body are linked by the linkage module to rotate in opposite directions; A first rotational force module is penetrated by the first shaft and includes a first fixed concave cam and a first rotating concave cam. The first rotating concave cam rotates with the first rotating shaft, and the The first rotating shaft is rotatable relative to the first fixed concave cam, the first fixed concave cam has a first engaging curved surface, the first rotating concave cam has a second engaging curved surface, and the first engaging curved surface is along the first shaft The body axially abuts on the second joint curved surface and can rotate relative to the second joint curved surface; A first elastic member, one end of which is fixed to the first shaft body, and the other end of which abuts against the first rotary concave cam; Wherein, when the first shaft body and the second shaft body rotate in opposite directions, the first joint curved surface rotates relative to the second joint curved surface, and the first joint curved surface interferes with the second joint curved surface, causing The first rotary concave cam moves relative to the first fixed concave cam along the axial direction of the first shaft body, and pushes the first elastic body, so that the first elastic body is elastically deformed. The double-sided opening pivot device according to claim 1, wherein the first joint curved surface includes at least one convex surface, the second joint curved surface includes at least one concave surface, the convex surface has a vertex, and the concave surface The mask has a bottom point, and when the second joint curved surface rotates relative to the first joint curved surface, the vertex moves along the concave surface. The double-sided opening pivot device according to claim 2, wherein the first shaft body and the second shaft body rotate in opposite directions, and when the first fixing plate and the second fixing plate are orthogonal, the convex The vertex abuts against the bottom point of the concave surface. The double-sided opening pivot device according to claim 2, wherein the first joint curved surface includes two convex surfaces, the convex surfaces are separated by an angular distance of 180 degrees, the second joint curved surface includes two concave surfaces, the The concave surfaces are separated by an angular distance of 180 degrees. The double-sided opening pivot device according to claim 1, which further includes a second rotational force module and a second elastic member, penetrated by the second shaft body, and includes a second fixed concave cam and A second rotating concave cam, the second rotating concave cam rotates with the second rotating shaft, and the second rotating shaft is rotatable relative to the second fixed concave cam, the second fixed concave cam has a third engaging curved surface, The second rotary concave cam has a fourth engaging curved surface, the third engaging curved surface abuts on the fourth engaging curved surface and is rotatable relative to the fourth engaging curved surface, and one end of the second elastic member is fixed to the second shaft Body, the other end of the second elastic member abuts against the second rotary concave cam. The double-sided opening pivot device according to claim 5, wherein the third joint curved surface includes at least one convex surface, the fourth joint curved surface includes at least one concave surface, the convex surface has a vertex, and the concave surface has a bottom point. When the fourth joint curved surface rotates relative to the third joint curved surface, the vertex moves along the concave surface. The double-sided opening pivot device according to claim 6, wherein the first shaft body and the second shaft body rotate in opposite directions, and when the first fixing plate and the second fixing plate are orthogonal, the convex The vertex abuts against the bottom point of the concave surface. The double-sided opening pivot device according to claim 1, which further includes a limit module, which includes a stopper and a limiter, and the limiter follows the first shaft or the second When the shaft body rotates, the first shaft body or the second shaft system rotates relative to the stopper. The stopper has two stopper surfaces, and the stopper surfaces abut against the stopper to define the first stopper. The rotation angle between a shaft and the second shaft. The double-sided pivot device according to claim 8, wherein the stopper includes a base plate and at least one stopper, the first shaft body and the second shaft body pass through the base plate and the stopper block Set on the base plate, the stop block has two stop surfaces, and the stop surfaces respectively correspond to the limit surfaces. The double-sided opening pivot device according to claim 8, wherein the rotation angle has a range of 0 to 135 degrees, and when the angle is 0 degrees, the first fixing plate is parallel to the second fixing plate. The double-sided pivot device according to claim 1, wherein the linkage module includes a first gear, a second gear, a first transmission gear, and a second transmission gear, and the first gear follows the first gear A shaft body rotates, the second gear rotates with the second shaft body, the first transmission gear and the second transmission gear train respectively mesh with the first gear and the second gear, and the first transmission gear meshes In the second transmission gear. The double-sided opening pivot device according to claim 1, wherein the torsion module includes a plurality of torsion members, and each torsion member is connected to the first shaft body and the second shaft body and is connected to the first shaft body or The second shaft body interferes and generates elastic deformation to provide torsion force to the first shaft body or the second shaft body.

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