TWM614906U - Two-axis switching action pivot - Google Patents

Abstract

A dual-axis switching action pivot device includes a first shaft body, a second shaft body, a linkage module and a switching module. The linkage module includes a first cam member, a second cam member and a linkage member. The switching module includes a first switching element, a second switching element and an engaging element. The first cam piece and the second cam piece of the linkage module are respectively provided with a surrounding section and a spiral section, and the first switching piece and the second switching piece of the switching module have the effect of engaging or retreating at different rotation angles. , Make the first shaft body and the second shaft body start from 0 degrees at the relative angle of each other, the second shaft body and the first shaft body rotate 90 degrees in sequence to become the relative angle of each other is 180 degrees, and then the second shaft body It rotates synchronously with the first shaft body until the relative angle between the second shaft body and the first shaft body is 360 degrees.

Description

Two-axis switching action pivot

This creation is related to the technical field of a pivot, especially a biaxial switching action pivot.

For electronic devices, especially notebook computers, the host and the screen are rotatably connected by a pivot. Since some models of existing notebook computers have dual-use functions for both notebook computers and tablet computers, in addition to using the screen as a notebook computer when the screen is rotated 90 to 180 degrees relative to the host, it is also hoped that the host can rotate relative to the screen. To 360 degrees, the host is located behind the screen, and the screen, especially the touch screen, is used as a tablet.

In view of this, the purpose of this creation is to provide a dual-axis switching action pivot device. In the range of 0 degrees to 180 degrees, the two shafts of the dual-axis switching action pivot device rotate in sequence, and at 180 degrees. In the range of 360 degrees to 360 degrees, the two shafts of the dual-axis switching action pivot are linked and synchronously rotated. In this way, the notebook computer can use the screen with the keyboard operation of the host computer as a notebook computer, or the host computer can be rotated to the back of the screen to directly use the screen as a tablet computer.

An embodiment of the dual-axis switching action pivot device of the present invention includes a first shaft body, a second shaft body, a linkage module, and a switching module. The first shaft body is connected to a first connecting member, and the first connecting member can be connected to the screen of the notebook computer. A second shaft body is connected to a second connecting member, and the second connecting member can be connected to the host of the notebook computer. The linkage module includes a first cam member, a second cam member and a linkage member. The first cam member rotates synchronously with the first shaft body and has a first cam groove. The first cam groove has a first surrounding section along the circumferential direction and a first spiral section along the circumferential direction and the axial direction. The second cam member rotates synchronously with the second shaft body and has a second cam groove. The second cam groove has a second surrounding section along the circumferential direction and a second spiral section along the circumferential direction and the axial direction. The linkage has a first cam portion and a second cam portion. The first cam portion is coupled to the first cam groove, and the second cam portion is coupled to the second cam groove. When the first cam portion is located in the first spiral section and the second cam portion When the cam portion is located in the second spiral section, the first cam piece and the second cam piece rotate synchronously. The switching module includes a first switching element, a second switching element and an engaging element. The first switching member rotates synchronously with the first shaft body and has a first engagement portion and a first retreat portion, and the first engagement portion and the first retreat portion are separated by an angular distance of 90 degrees. The second switching member rotates synchronously with the second shaft body and has a second engaging portion and a second retreating portion, and the second engaging portion and the second retreating portion are arranged adjacent to each other. The engaging element is disposed between the first switching element and the second switching element, can move in a direction perpendicular to the first shaft or the second shaft, and can be used for the first engaging portion and the second shaft The two engaging parts are engaged. The first engagement portion corresponds to the first surrounding section, the second engagement portion corresponds to the second surrounding section, the first retreat portion corresponds to the first spiral section, and the second retreat portion corresponds to the second spiral section.

The dual-axis switching action pivot device of the present invention uses the first cam member and the second cam member of the linkage module to respectively provide a surrounding section and a spiral section, and the first switching member and the second switching member of the cooperating switch module are different The engagement or retreat effect produced by the rotation angle causes the first shaft and the second shaft to start at 0 degrees relative to each other. The second shaft and the first shaft rotate 90 degrees in sequence to become opposite to each other. Horn The degree is 180 degrees, and then the second shaft body and the first shaft body rotate synchronously until the relative angle of the second shaft body and the first shaft body to each other is 360 degrees.

1: Two-axis switching action pivot

10: The first shaft

11: The first stop

20: second shaft body

21: The second stop

30: Linkage module

31: The first cam piece

32: The second cam piece

33: Linkage

34: guide

40: switch module

41: The first switch

42: The second switch

43: clip

50: The first limit piece

60: second limit piece

70, 80: Torque module

311: The first cam groove

321: second cam groove

331: first cam

332: The second cam

333: first recess

334: second recess

411: first engagement part

412: The First Evacuation Department

421: second engagement part

422: Second Evacuation Department

3111: The first surround segment

3112: The first spiral segment

3211: Second surround segment

3212: second spiral segment

F1: The first bracket plate

F2: The second bracket plate

F3: The third bracket plate

F4: Fourth bracket plate

P1: The first connector

P2: The second connecting piece

a: The maximum distance is

b: The maximum depth is

Figure 1 is a three-dimensional view of the created two-axis switching action pivot.

Fig. 2 is an exploded perspective view of the biaxial switching action pivot of Fig. 1.

Fig. 3 is a partially exploded perspective view of the biaxial switching action pivot of Fig. 1.

4 is a schematic diagram of the operation of the first cam member and the second cam member of the linkage module of the dual-axis switching action pivot device of FIG. 1.

FIG. 5 is a schematic diagram of the operation of the switching module of the dual-axis switching action pivot of FIG. 1.

6 is a schematic diagram showing the state comparison between the linkage module and the switching module when the relative angle between the first shaft body and the second shaft body of the dual-axis switching action pivot of FIG. 1 is 0 degrees.

7 is a schematic diagram of the state comparison between the linkage module and the switching module when the relative angle between the first shaft body and the second shaft body of the dual-axis switching action pivot of FIG. 1 is 90 degrees.

8 is a schematic diagram of the state comparison between the linkage module and the switching module when the relative angle between the first shaft body and the second shaft body of the dual-axis switching action pivot of FIG. 1 is 180 degrees.

9 is a schematic diagram of the state comparison between the linkage module and the switching module when the relative angle between the first shaft body and the second shaft body of the dual-axis switching action pivot of FIG. 1 is 360 degrees.

Please refer to FIGS. 1 to 5, which show an embodiment of the dual-axis switching action pivot device of the present invention. The dual-axis switching action pivot device 1 of this embodiment includes a first shaft body 10 and a second shaft body 20. A linkage module 30 and a switching module 40.

The first shaft body 10 is connected to a first connector P1, the first connector P1 can be connected to the screen of a notebook computer, and the first shaft body 10 is a D-shaped shaft. The second shaft body 20 is connected to a second connector P2, and the second connector P2 can be connected to the host of the notebook computer. A first support plate F1, a second support plate F2, a third support plate F3, and a fourth support plate F4 are provided between the first shaft body 10 and the second shaft body 20. The first support plate F1, the second support plate F2, the third support plate F3, and the fourth support plate F4 are individually provided with circular through holes for the first shaft body 10 and the second shaft body 20 to pass through and to be relatively rotatable . A linkage module 30 described later is provided between the first support plate F1 and the second support plate F2, and a switching module 40 described later is provided between the third support plate F3 and the fourth support plate F4. As shown in FIG. 2, the first bracket plate F1 is also provided with a bump-shaped first limiting member 50 and a bump-shaped second limiting member 60, and a sector-shaped second limiting member 60 is provided on the first shaft body 10. A stopper 11 is provided on the second shaft body 20 with a fan-shaped second stopper 21. The first shaft body 10 rotates so that the two ends of the first stopper 11 abut against the bump-shaped first stopper. The position member 50 restricts the rotation angle of the first shaft body 10, and the second shaft body 20 rotates so that both end surfaces of the second stopper 21 abut against the convex second stop member 60 to restrict the second shaft body 20. The angle of rotation.

As shown in FIGS. 2 and 3, the linkage module 30 includes a first cam member 31, a second cam member 32 and a linkage member 33. The linkage module 30 is arranged between the first support plate F1 and the second support plate F2.

The first cam member 31 is a cylindrical member, which is provided with an axial D-shaped hole for the first shaft body 10 to pass through and thereby to be able to rotate synchronously. The first cam member 31 has a first cam groove 311. The first cam groove 311 has a first surrounding section 3111 in the circumferential direction and a first spiral section 3112 in the circumferential and axial directions. The first surrounding section 3111 is connected.

The second cam member 32 is a cylindrical member, which is provided with an axial D-shaped hole for the second shaft body 20 to pass through and thereby to be able to rotate synchronously. The second cam member 32 has a second cam groove 321. The second cam groove 321 has a second surrounding section 3211 in the circumferential direction and a second spiral section 3212 in the circumferential and axial directions. The two surrounding sections 3211 are connected.

The link 33 has a first cam portion 331 and a second cam portion 332. The first cam portion 331 is coupled to the first cam groove 311, and the second cam portion 332 is coupled to the second cam groove 312. The linkage module 30 further includes a guiding member 34, which is positioned between the first bracket plate F1 and the second bracket plate F2 by the cooperation of the D-shaped shaft hole. The guiding member 34 of this embodiment is a D-shaped shaft, and the linking member 33 has a D-shaped hole. By matching the shaft hole, the linking member 33 can be in contact with the first shaft body 10 and the second shaft along the guiding member 34. The body 20 moves in a parallel direction. In order to cooperate with the cylindrical first cam member 31 and the second cam member 32, the linkage member 33 has a first concave portion 333 and a second concave portion 334. The first cam portion 331 is disposed in the first concave portion 333, and the second cam portion 332 is provided in the second recess 334. When the first cam portion 331 is located in the first surrounding section 3111, the linkage member 33 will not move when the first cam member 31 rotates. Similarly, when the second cam portion 332 is located in the second surrounding section 3211, the second cam member 32 When rotating, the linkage member 33 will not move, so the first cam member 31 and the second cam member 32 can rotate separately. When the first cam portion 331 is located in the first spiral section 3112 and the second cam portion 332 is located in the second spiral section 3212, the rotation of the first cam member 31 and the second cam member 32 will drive the linkage member 33 along the guide member 34 The movement generates the interlocking effect, whereby the first cam member 31 and the second cam member 32 rotate synchronously.

As shown in FIGS. 2 and 4, the switching module 40 includes a first switching element 41, a second switching element 42 and an engaging element 43. The switching module 40 is arranged between the third support plate F3 and the fourth support plate F4.

The first switching member 41 rotates synchronously with the first shaft body 10 through the cooperation of the D-shaped shaft hole. The first switching element 41 has a first engaging portion 411 and a first retreating portion 412, and the first engaging portion 411 and the first retreating portion 412 are separated by an angular distance of 90 degrees. The first switching member 41 is a short cylinder, and the first engaging portion 411 is formed In the axially extending notch on its circumferential surface, the first retreat portion 412 cuts off the original cylinder between the two axes on its circumferential surface to reduce the thickness and become closer to its axis than the original inherent circumferential surface. Surface. In this embodiment, the maximum distance between the curved surface of the first retreat portion 412 and the original natural circumferential surface is a, the maximum depth between the notch of the first engaging portion 411 and the original natural circumferential surface is b, and the maximum distance a>maximum depth b.

The second switching member 42 rotates synchronously with the second shaft body 20 through the cooperation of the D-shaped shaft hole. The second switching member 42 has a second engaging portion 421 and a second retreating portion 422. The second engaging portion 421 is arranged adjacent to the second retreat portion 422. The second switching member 42 is a short cylinder, the second engaging portion 421 is an axially extending recess formed on its circumferential surface, and the second retreating portion 422 is cut away from the original between two axes on its circumferential surface. The cylindrical body reduces the thickness and becomes a curved surface closer to its axis than the original inherent circumferential surface. In this embodiment, the maximum distance between the curved surface of the second retreat portion 422 and the original natural circumferential surface is b, the maximum depth between the notch of the second engaging portion 421 and the original natural circumferential surface is a, and the maximum depth a>maximum distance b.

The engaging element 43 is disposed between the first switching element 431 and the second switching element 433, can move in a direction perpendicular to the first shaft 10 or the second shaft 20, and can be used for the first engaging portion 421 and the second shaft The two engaging parts 422 engage with each other. A transverse slot 44 is provided on the third bracket plate F3 and the fourth bracket plate F4, and two axial ends of the engaging member 43 are movably arranged in the slot 44. The first engagement portion 411 corresponds to the first surrounding section 3111, the second engagement portion 421 corresponds to the second surrounding section 3211, the first retreat portion 412 corresponds to the first spiral section 3112, and the second retreat portion 432 corresponds to the second Spiral section 3212.

In addition, the dual-axis switching action pivot device 1 of the present invention further includes two torsion modules 70 and 80, which are connected to the first shaft body 10 and the second shaft body 20, respectively. The torsion modules 70 and 80 include a plurality of dish-shaped springs to provide torsion of the first shaft body 10 and the second shaft body 20.

Please refer to FIG. 6, when the first shaft body 10 and the second shaft body 20 are located at a position of 0 degrees, and the first connecting member P1 and the second connecting member P2 are parallel to each other. The first cam portion 331 of the linkage 33 is located in the first surrounding section 3111, the second cam portion 332 is located in the second surrounding section 3211, while the first engaging portion 411 of the first switching member 41 is engaged with the circumferential surface of the engaging member 43, and the circumferential surface of the second switching member 42 is engaged with the engaging member 43 is in contact with the circumferential surface.

Referring to FIG. 7, since the first engaging portion 411 is engaged with the engaging member 43, the first shaft body 10 cannot rotate, and the second shaft body 20 is relatively moved by the second switching member 42 and the engaging member 43. The rotation is 90 degrees, and the second cam portion 332 moves along the second surrounding section 3211 to the starting point of the second spiral section 3212. At this time, the second connecting piece P2 rotates 90 degrees relative to the first connecting piece P1. The second engaging portion 421 of the second switching element 42 corresponds to the circumferential surface of the engaging element 43 to provide a margin for movement of the engaging element 43, and with this margin, the first switching element 42 can be rotated and pushed into engagement. The member 43 moves along the lateral slot 44 toward the second engaging portion 421, and the engaging member 43 enters the second engaging portion 421 to restrict the second shaft body 20 from rotating.

Referring to FIG. 8, the first switching member 41 can be rotated, so the first shaft body 10 can be rotated by 90 degrees until the first retreat portion 412 starts to correspond to the engaging member 43. At this time, the first cam portion 331 is along the first surrounding section 3111. Move to the starting point of the first spiral segment 3112. The first connecting piece P1 and the second connecting piece P2 form an angle of 180 degrees with each other.

Referring to FIG. 9, when the first shaft body 10 continues to rotate, the first retreat portion 412 corresponds to the engaging member 43, so that the engaging member 43 obtains a margin of movement, and since the first cam portion 331 of the linkage member 33 enters The first spiral section 3112 and the second cam portion 332 enter the second spiral section 3212 at the same time. This connection forms a linked structure. At this time, since the engaging member 43 is located between the first retreat portion 412 and the second retreat portion 422, Therefore, the rotation restriction effect of the first switching member 41 and the second switching member 42 will not be produced, so the first shaft body 10 and the second shaft body 20 can rotate synchronously. That is, the first connecting piece P1 and the second connecting piece P2 are rotated to a 360-degree parallel position.

The dual-axis switching action pivot device of this invention is provided with a surrounding section and a spiral section by the first cam member and the second cam member of the linkage module respectively, and cooperates with the first switching member and the second switching member of the switching module The engagement or retreat effect of the parts at different rotation angles causes the first shaft and the second shaft to start at 0 degrees relative to each other. The second shaft and the first shaft rotate 90 degrees in sequence, and The relative angle to each other is 180 degrees, and then the second shaft body and the first shaft body rotate synchronously until the relative angle of the second shaft body and the first shaft body to each other is 360 degrees.

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 accordance with this creation, All are still within the scope of this creation patent. In addition, any embodiment of the 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.

1: Two-axis switching action pivot

10: The first shaft

20: second shaft body

30: Linkage module

32: The second cam piece

33: Linkage

40: switch module

41: The first switch

42: The second switch

43: clip

70, 80: Torque module

F1: The first bracket plate

F2: The second bracket plate

F3: The third bracket plate

F4: Fourth bracket plate

P1: The first connector

P2: The second connecting piece

Claims (10)

A dual-axis switching action pivot device, which includes: A first shaft body connected to a first connecting piece; A second shaft body connected to a second connecting piece; A linkage module, which includes: A first cam member that rotates synchronously with the first shaft body and has a first cam groove. The first cam groove has a first surrounding section along the circumferential direction and a first spiral section along the circumferential direction and the axial direction ； A second cam member that rotates synchronously with the second shaft body and has a second cam groove, the second cam groove has a second surrounding section along the circumferential direction and a second spiral section along the circumferential direction and the axial direction; A linkage member has a first cam portion and a second cam portion. The first cam portion is coupled to the first cam groove, and the second cam portion is coupled to the second cam groove. When the first cam portion is located When the first spiral section and the second cam portion are located in the second spiral section, the first cam member and the second cam member rotate synchronously; A switching module, which includes: A first switching element that rotates synchronously with the first shaft body and has a first engagement portion and a first retreat portion, the first engagement portion and the first retreat portion are separated by an angular distance of 90 degrees; A second switching element that rotates synchronously with the second shaft body and has a second engaging portion and a second retreating portion, the second engaging portion and the second retreating portion are arranged adjacent to each other; An engaging member is provided between the first switching member and the second switching member, can move in a direction perpendicular to the first shaft or the second shaft, and can be used for the first engaging part and The second engaging part is engaged; The first engagement portion corresponds to the first surrounding section, the second engagement portion corresponds to the second surrounding section, the first retreat portion corresponds to the first spiral section, and the second retreat portion corresponds to the The second spiral section. The dual-axis switching action pivot device according to claim 1, wherein the linkage module further includes a guide member, and the linkage member is guided by the guide member to be parallel to the first shaft and the second shaft. The direction of the shaft body moves. The dual-axis switching action pivot device according to claim 1, wherein the first switching member is cylindrical, the first engaging portion is a notch on the circumferential surface of the first switching member, and the first retreating portion In order to connect two lines parallel to the axis on the circumferential surface, a curved surface closer to the axis than the circumferential surface corresponding to the axis is formed. The dual-axis switching action pivot device according to claim 3, wherein the second switching member is cylindrical, the second engaging portion is a notch on the circumferential surface of the second switching member, and the second retreating portion Two lines parallel to the axis are connected on its circumferential surface to form a curved surface closer to the axis than the circumferential surface corresponding to the axis. The dual-axis switching action pivot device according to claim 4, wherein the engaging member is cylindrical, and the shapes of the first engaging portion and the second engaging portion are matched with the outer peripheral surface of the engaging member. The dual-axis switching action pivot device according to claim 4, wherein the maximum notch depth of the first engaging portion is smaller than the maximum notch depth of the second engaging portion. The dual-axis switching action pivot device according to claim 4, wherein the linkage member includes a first concave portion and a second concave portion, the first cam portion is disposed in the first concave portion, and the second cam portion is disposed in the The second recess. The dual-axis switching action pivot device according to claim 7, wherein the distance between the circumferential surface corresponding to the axis of the first retreat portion and the first switching element is smaller than the distance between the second retreat portion and the second switching element The distance between the corresponding circumferential surfaces of the axis. The dual-axis switching action pivot device according to claim 1, further comprising a first limiting member and a second limiting member, the first shaft body includes a first stopping member, and the first stopping member Abutting on both ends of the first limiting member to limit the angle range of the first shaft body to rotate, the second shaft body includes a second stopper, and the second stopper abuts against the second The two ends of the limiting member limit the angle range of the rotation of the second shaft body. The dual-axis switching action pivot device according to claim 1, further comprising two torsion modules, respectively connected to the first shaft body and the second shaft body.

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