TWM568575U - Pivot structure capable of expanding stroke - Google Patents

Abstract

A pivot structure capable of amplifying a stroke, comprising a pivot, a stroke amplifying mechanism, a push rod, a linkage mechanism and a torsion mechanism. The pivoting shaft is fixed to a first fixing piece, and the second fixing piece is relatively rotatably disposed on the pivot. The stroke amplifying mechanism comprises a rotating movement part, a linear movement part and a conversion part, and the rotation of the rotation movement part is converted The portion is converted into a linear movement of the linear motion portion, the push rod is coupled to the linear motion portion, the linkage mechanism is coupled to the second fixed piece and rotatably connected to the pivot shaft and the rotary motion portion, and the torque mechanism is disposed on the pivot shaft to provide the torque to a pivot, wherein when the second fixing piece rotates relative to the pivot, the linkage mechanism drives the stroke amplifying mechanism to rotate relative to the pivot, and at the same time, the stroke amplifying mechanism causes the push rod to generate a linear displacement.

Description

Pivot structure that can enlarge the stroke

The present invention relates to a pivot structure, and more particularly to a pivot structure that can amplify the stroke.

Existing electronic devices often need to be provided with a pivot device for opening and closing operations, such as a notebook computer, and a pivot device is provided between the screen and the host computer. When the notebook computer is not in use, the screen can be rotated by the pivot device. The screen is covered by the main unit, and when the notebook is needed, the screen can be used.

In addition, when the notebook is in use, turning off the screen can put the host system into a sleep state, and when the screen is rotated again, the host system is woken up, so how to use the rotation of the pivot device to trigger the host system Awakening the host system becomes an important technical issue. In addition, if the notebook has a pair of magnets that attract each other and locks the magnet, it is another important technical problem to unlock the magnet when the screen is opened.

In view of this, the purpose of the present invention is to provide a pivot structure capable of amplifying the stroke, and a stroke amplifying mechanism is driven by the rotation of the pivot, the stroke amplifying mechanism linearly moves the push rod, and triggers a switch to achieve, for example, the above-mentioned wake-up The role of the notebook computer, the trip The large mechanism can utilize the action of the cam groove and the follower and cooperate with the guidance of the linear guide to convert the motion of the rotation into a linear motion.

An embodiment of the pivoting structure of the present extensible stroke includes a pivot, a stroke amplifying mechanism, a push rod, a linkage mechanism, and a torsion mechanism. The pivoting shaft is fixed to a first fixing piece, and the second fixing piece is relatively rotatably disposed on the pivot. The stroke amplifying mechanism comprises a rotating movement part, a linear movement part and a conversion part, and the rotation of the rotation movement part is converted The portion is converted into a linear movement of the linear motion portion, the push rod is coupled to the linear motion portion, the linkage mechanism is coupled to the second fixed piece and rotatably connected to the pivot shaft and the rotary motion portion, and the torque mechanism is disposed on the pivot shaft to provide the torque to a pivot, wherein when the second fixing piece rotates relative to the pivot, the linkage mechanism drives the stroke amplifying mechanism to rotate relative to the pivot, and at the same time, the stroke amplifying mechanism causes the push rod to generate a linear displacement.

The above and other objects, features, and advantages of the present invention will become more apparent and understood.

10‧‧‧ pivot

11‧‧‧End

20‧‧‧Travel amplification mechanism

21‧‧‧Rotating Sports Department

22‧‧‧Linear Movement Department

23‧‧‧Transition Department

24‧‧‧Connecting parts

25‧‧‧First elastic parts

30‧‧‧Put

40‧‧‧ linkage agency

41‧‧‧ Gear Set

42‧‧‧ bracket

50‧‧‧Torque mechanism

51‧‧‧First Torque Module

52‧‧‧Second Torque Module

100‧‧‧Amplify the pivot structure of the stroke

211‧‧‧ shaft

215‧‧‧ shoulder

221‧‧‧Mobile parts

222‧‧‧ Guides

227‧‧‧Combination Department

228‧‧‧Extension

229‧‧‧Connecting Department

231‧‧‧ cam slot

232‧‧‧ Followers

411‧‧‧First gear

412‧‧‧second gear

413‧‧‧ Third gear

414‧‧‧fourth gear

421‧‧‧First side bracket

422‧‧‧Second side bracket

423‧‧‧ 耳耳

511‧‧‧Torque shrapnel

513‧‧‧Auxiliary shaft

521‧‧‧Cam Group

522‧‧‧Second elastic parts

H1‧‧‧ perforation

M‧‧‧ host

P‧‧‧Note Computer

P1‧‧‧ first fixed piece

P2‧‧‧Second fix

P3‧‧‧ third fixed piece

S‧‧‧ screen

SW‧‧‧Switches, magnets

Fig. 1 is a schematic view showing the pivotal structure of the enlarged stroke of the present invention applied to a notebook computer.

2 is a perspective view of an embodiment of a pivotal structure of an extensible stroke of the present invention.

3 is an exploded perspective view of the pivot structure of the expandable stroke of FIG. 2.

4 is a partial assembled view of the pivot structure of the expandable stroke of FIG. 3.

Figure 5 is a partial assembled view of the pivotal structure of the expandable stroke of Figure 4.

Fig. 6 is an enlarged view of the interlocking mechanism of the pivotal structure of the expandable stroke of Fig. 2;

Figure 7 is an enlarged view of the stroke amplifying mechanism of the pivotal structure of the expandable stroke of Figure 2;

Fig. 8 is an enlarged view of a portion A of Fig. 7.

Figures 9-13 illustrate the action of the pivotal structure of the presently scalable stroke.

Please refer to FIG. 1 , which shows an example of the pivot structure of the enlarged stroke of the present invention applied to a notebook computer. However, the pivot structure of the enlarged stroke of the present invention is not limited thereto, and can be applied to other electronic devices. In the organization. The pivoting structure 100 of the present invention can be mounted on the screen S of the notebook computer P and the pivot of the host computer M. The detailed structure is as follows.

Referring to Figures 2, 3, 4, and 5, the pivotable structure 100 of the present invention includes a pivot 10, a stroke amplifying mechanism 20, a push rod 30, a linkage mechanism 40, and a torsion mechanism 50. The pivoting plate 10 is fixed to a first fixing piece P1. The first fixing piece P1 can be mounted and fixed on the main body M of the notebook computer P (please refer to FIG. 1), and a second fixing piece P2 can be relatively rotated. The pivot 10 and the second fixing piece P2 can be mounted and fixed on the screen S of the notebook computer P. The stroke amplifying mechanism 20 includes a rotational movement portion 21, a linear motion portion 22, and a conversion portion 23, and the rotation of the rotational movement portion 21 is converted into a linear movement of the linear motion portion 22 via the conversion portion 23, and the push rod 30 is coupled to the stroke amplification mechanism. The linear motion portion 22 of the 20, the linkage mechanism 40 is coupled to the second fixing piece P2 and rotatably connects the pivot shaft 10 and the rotational movement portion 21 of the stroke amplification mechanism 20, and the torque mechanism 50 is disposed on the pivot shaft 10 to provide torque to The pivot 10, when the second fixing piece P2 rotates relative to the pivot 10, the linkage mechanism 40 rotates relative to the pivot 10 and drives the stroke amplifying mechanism 20 to rotate relative to the pivot 10, and at the same time the stroke amplifying mechanism 20 makes the push rod Produces a linear displacement.

As shown in FIG. 3, the end portion 11 of the pivot shaft 10 is formed in a D shape, and the first fixing piece P1 has a D-shaped hole, and the pivot shaft 10 is riveted to fix the end portion 11 to the first fixing piece P1. Therefore, when the first fixing piece P1 is fixed to the main body M of the notebook computer P, the pivot 10 is knotted by the D-shaped shaft hole. The first fixing piece P1 is not positioned to rotate relative to the first fixing piece P1. The second fixing piece P2 is coupled to the pivot shaft 10 by a bracket 42 which will be described later, and the bracket 42 has a circular hole to be rotatable relative to the pivot shaft 10.

The torsion mechanism 50 includes a first torsion module 51 and a second torsion module 52. The first torsion module 51 includes a plurality of torsion springs 511. The pivot shaft 10 is relatively rotatablely disposed on the torsion springs 511. The second torsion module 52 includes a cam assembly 521 and a second elastic member 522. The pivot shaft 10 is disposed through the cam assembly 521. The second elastic member 522 is sleeved on the pivot shaft 10 and presses the cam assembly 521. The first torsion module 51 further includes an auxiliary shaft 513. The auxiliary shaft 513 is disposed in the linkage mechanism 40 and parallel to the pivot shaft 10. The torsion springs 511 are sleeved on the auxiliary shaft 513 in a relatively rotatable manner. A third fixing piece P3 is sleeved relative to the pivot 10, and the third fixing piece P3 is located between the first torsion module 51 and the second torsion module 52, and the third fixing piece P3 and the second fixing piece A predetermined distance is maintained between the sheets P2 and the third fixing piece P3 and the second fixing piece P2 can hold the screen S of the notebook computer P.

Referring to FIG. 3 and FIG. 6 , the linkage mechanism 40 includes a gear set 41 and a bracket 42 . The gear set 41 is connected to the pivot 10 and the stroke amplifying mechanism 20 . The bracket 42 is coupled to the second fixing piece P2 and is relatively rotatable. Provided on the pivot 10, the stroke amplifying mechanism 20 is supported by the bracket 42, and at least one gear train of the gear set 41 is rotatably provided to the bracket 42. In this embodiment, the bracket 42 includes a first side bracket 421 and a second side bracket 422. The gear set 41 is sandwiched between the first side bracket 421 and the second side bracket 422, and the second fixing piece P2 and the second The one side bracket 421 is integrally formed, and the second side bracket 422 has a lug 423. The lug 423 can pass through a through hole H1 of the second fixing piece P2, so that the second side bracket 422 and the second fixing piece P2 can be interlocked. The first side bracket 421 has three circular through holes (refer to FIG. 5) for the pivot shaft 10 and the gear shaft of the gear set 41, and the second side bracket 422 has four circular holes and a D-shaped hole. The circular hole is provided for the auxiliary shaft 513, the pivot 10, and the gear of the gear set 41, The D-shaped hole is provided for the guide of the stroke amplifying mechanism 20 to be described later.

In the present embodiment, the gear set 41 includes a first gear 411, a second gear 412, a third gear 413, and a fourth gear 414. The first gear 411 is positioned on the pivot 10 and is not opposite to the pivot 10. Rotating, the first gear 411 is meshed with the second gear 412, the third gear 413 is meshed with the fourth gear 414, and the fourth gear 414 is not rotatably positioned relative to the rotation axis of the stroke amplifying mechanism 20, which will be described later, the second gear 412 and the The third gear 413 is superposed on the rotating shaft of the third gear 413, and the second gear 412 and the third gear 413 are not rotatable relative to each other. In the embodiment, the second gear 412 is integrated with the third gear 413. Formed to form a double gear. The first gear 411 has a D-shaped shaft bore that cooperates with the D-axis of the pivot shaft 10 such that the first gear 411 is fixed to the pivot shaft 10 without rotation. The double gear formed by the second gear 412 and the third gear 413 is free to rotate relative to the bracket 42. Thus, when the second fixing piece P2 and the bracket 42 rotate around the pivot 10, the first gear 411 is fixed, the second gear 412 revolves around the first gear 411, and the second gear 412 itself rotates, and its rotation direction and revolution In the same direction, the third gear 413 rotates in synchronization with the second gear 412, and the fourth gear 414 rotates in the opposite direction to the third gear 413, and the rotation direction of the fourth gear 414 is opposite to the revolution direction.

In the embodiment, the first gear 411 has a first gear ratio for the second gear 412, and the third gear 413 has a second gear ratio for the fourth gear 414. The first gear ratio and the second gear ratio are both greater than one. That is, the number of teeth of the first gear 411 is greater than the number of teeth of the second gear 412, and the number of teeth of the third gear 413 is greater than the number of teeth of the fourth gear 414, such that the first gear 411, the second gear 412, the third gear 413, and The configuration of the fourth gear 414 can obtain the required gear ratio in the narrow space of the screen S of the notebook computer P.

Referring to FIG. 3, FIG. 7 and FIG. 8, the rotary motion portion 21 includes a rotating shaft 211, which can be The rotating mechanism 211 has a D-shaped shaft, and the fourth gear 414 has a D-shaped hole, and the rotating shaft 211 is coupled to the fourth gear 414 to rotate the rotating shaft 211 along with the fourth gear 414; The linear motion portion 22 includes a moving member 221 and a guiding member 222. The pushing rod 30 is coupled to the moving member 221, the guiding member 222 is parallel to the rotating shaft 211, and the moving member 221 is movably disposed on the guiding member 222; The portion 23 includes a cam groove 231 and a follower 232. The cam groove 231 is formed on the outer peripheral surface of the rotating shaft 211, and the cam groove 231 and the rotating shaft 211 are inclined in the axial direction and the circumferential direction, and the follower 232 is disposed on the moving member 221 And the follower 232 is movably coupled to the cam groove 231. In this embodiment, the guiding member 222 is in the shape of a rod. The moving member 221 is disposed on the guiding member 222 and movable along the guiding member 222. The moving member 221 is adjacent to the rotating shaft 211, so that the follower member 232 can be inserted. In the cam groove 231, when the rotating shaft 211 rotates with the fourth gear 414, the cam groove 231 moves the moving member 221 along the guiding member 222 as the rotating shaft 211 rotates, which causes the push rod 30 to move linearly.

The moving member 221 includes a joint portion 227, an extending portion 228, and a connecting portion 229. The joint portion 227 has a block shape and forms an arcuate concave surface adjacent to the rotating shaft 211 to match the outer peripheral surface of the rotating shaft 211. The 232 is disposed on the concave surface of the arc shape, the follower 232 has a short column shape, the joint portion 227 has a D-shaped hole, the guiding member 222 can be disposed through the joint portion 227, and the extending portion 228 is disposed from the joint portion 227. The half portion extends parallel to the guiding member 222, the other end of the extending portion 228 is connected to the connecting portion 229, the connecting portion 229 is used for connecting the push rod 30, the connecting portion 229 is L-shaped, and the moving member 221 can be moved toward the bracket 42 until the connecting portion The 229 is abutted against the end surface of the guiding member 222, and the moving member 221 is movable away from the bracket 42 until the joint portion 227 is stopped at the connecting member 24 to be described later, so that the front and rear ends respectively generate two extreme positions.

The stroke amplifying mechanism 20 further includes a connecting member 24, the connecting member 24 is connected to the rotating shaft 211 and the guiding member 222, and the rotating shaft 211 is rotatably connected to the connecting member 24, and the guiding member 222 is not diametrically opposed Rotatingly coupled to the connector 24. Referring to FIG. 3, the connecting member 24 has a circular hole and a D-shaped hole. The rotating shaft 211 passes through the circular hole, and the guiding member 222 passes through the D-shaped hole. In addition, the stroke amplifying mechanism 20 further includes a first elastic member 25. The first elastic member 25 is disposed on the rotating shaft 211, and pushes the connecting member 24 to abut the connecting member 24 against the shoulder 215 of the rotating shaft 211.

Referring to FIGS. 9-13, the action of the pivoting structure 100 of the present invention is shown. When the second fixing piece P2 and the third fixing piece P3 are rotated about the pivot 10, the bracket 42 is rotated about the pivot 10. At the same time, the second gear 412 of the gear set 41 is rotated around the first gear 411, thereby driving the third gear 413 and the fourth gear 414 to rotate, and the rotation of the fourth gear 414 can drive the rotation shaft 211 of the stroke amplifying mechanism 20 to rotate, and the cam groove 231 As the rotating shaft 211 rotates and drives the follower 232 to displace the moving member 221, the moving member 221 moves along the guiding member 222 by the restriction and guidance of the guiding member 222, and finally the push rod 30 is generated. The linear displacement, as shown in FIG. 1, the linear displacement of the push rod 30 causes the push rod 30 to move to a predetermined position to trigger the switch SW, thereby achieving the effect of waking up the host M of the notebook computer P, in another embodiment The push rod 30 is moved to the predetermined position to displace a magnet SW of a pair of magnets that are attracted to each other, and the magnetic force that attracts the magnets to each other is lowered, and the magnetic lock state is released.

The present invention is disclosed in the above embodiments, but it is not intended to limit the scope of the present invention. Anyone having ordinary knowledge in the technical field of the present invention can make some changes and refinements without departing from the spirit of the present creation. Therefore, the scope of protection of this creation is subject to the definition of the scope of the patent application attached.

Claims (16)

A pivoting structure capable of amplifying the stroke, comprising: a pivot shaft fixed to a first fixing piece, a second fixing piece being rotatably disposed on the pivot shaft; a stroke amplifying mechanism comprising a rotation a moving portion, a linear moving portion, and a converting portion, wherein the rotation of the rotating moving portion is converted into a linear movement of the linear moving portion via the converting portion; a push rod is coupled to the linear moving portion; and a linking mechanism is coupled to the first portion a fixing piece rotatably connecting the pivot shaft and the rotating movement portion; a torsion mechanism disposed on the pivot shaft to provide a torsion force to the pivot shaft, wherein when the second fixing piece rotates relative to the pivot shaft, The linkage mechanism rotates relative to the pivot and drives the stroke amplification mechanism to rotate relative to the pivot, and at the same time the stroke amplification mechanism causes the push rod to produce a linear displacement. The pivoting structure of the extendable stroke of claim 1, wherein the rotary motion portion includes a rotating shaft that can be rotated by the linkage mechanism; the linear motion portion includes a moving member and a guiding member. a rod is coupled to the moving member, the guiding member is parallel to the rotating shaft, and the moving member is movably disposed on the guiding member; the converting portion includes a cam groove and a follower, wherein the cam groove is formed The outer peripheral surface of the rotating shaft and the cam groove are inclined with respect to the axial direction and the circumferential direction of the rotating shaft, the follower is disposed on the moving member and the follower is movably coupled to the cam groove. The pivoting structure of the extendable stroke of claim 2, wherein the stroke amplifying mechanism further comprises a connecting member connecting the rotating shaft and the guiding member, the rotating shaft being rotatably connected to the connecting member, The guide member is non-rotatably coupled to the connector. A pivot structure capable of amplifying the stroke as described in claim 3, wherein the stroke is enlarged The mechanism further includes a first elastic member disposed on the rotating shaft and pushing the connecting member to abut the connecting portion of the rotating shaft. A pivot structure capable of amplifying a stroke as described in claim 2, wherein the shaft is disposed in parallel with the pivot. The pivoting structure of the extendable stroke of claim 2, wherein the moving member comprises a joint portion, an extending portion and a connecting portion, the extending portion connecting the joint portion and the connecting portion, the driven portion The guiding member is disposed at the joint portion and is parallel to the extending portion. The end of the guiding member can abut the connecting portion. The pivoting structure of the extendable stroke of claim 2, wherein the linkage mechanism comprises: a gear set connecting the pivot shaft and the rotating shaft; and a bracket connected to the second fixing piece and oppositely Rotatingly disposed on the pivot shaft, at least one gear train of the gear set is rotatably disposed on the bracket. The pivot structure of the extendable stroke of claim 7, wherein the pivot shaft is rotatably disposed on the bracket, and the guide member is non-rotatably disposed on the bracket. The pivoting structure of the amplizable stroke of claim 1, wherein the linkage mechanism comprises: a gear set connecting the pivot shaft and the stroke amplification mechanism; and a bracket connected to the second fixing piece The pivoting shaft is rotatably disposed on the bracket. The stroke amplifying mechanism is supported by the bracket, and at least one gear train of the gear set is rotatably disposed on the bracket. A pivot structure capable of amplifying a stroke as described in claim 7 or 9, wherein the gear set is sandwiched in the bracket. A pivot structure capable of amplifying a stroke as described in claim 7 or 9, wherein the gear The set includes a first gear, a second gear, a third gear and a fourth gear, the first gear is positioned on the pivot and has no relative rotation with the pivot, and the first gear meshes with the second gear The third gear is meshed with the fourth gear, the fourth gear is positioned on the rotating shaft and rotatable with the rotating shaft, the second gear is overlapped with the third gear, and the second gear and the third gear are The rotating shafts coincide, and the second gear is non-rotatable relative to the third gear. The pivoting structure of the amplizable stroke of claim 11, wherein the first gear has a first gear ratio for the second gear, and the third gear has a second gear number for the fourth gear The first gear ratio and the second gear ratio are both greater than one. The pivoting structure of the extensible stroke of claim 1, wherein the torsion mechanism comprises a first torsion module and a second torsion module, the first torsion module comprising a plurality of torsion springs, The pivoting member is rotatably disposed in the torsion elastic piece. The second torsion module includes a cam set and a second elastic member. The pivot shaft is disposed through the cam set, and the second elastic member is sleeved on the cam member. The pivot and pushes the cam set. The pivoting structure of the amplizable stroke of claim 13, wherein the first torsion module comprises an auxiliary shaft, the auxiliary shaft is disposed on the bracket and parallel to the pivot, the torsion shrapnel It is not rotatably sleeved on the auxiliary shaft. The pivoting structure of the amplizable stroke of claim 13, wherein a third fixing piece is rotatably sleeved on the pivot shaft, and the third fixing piece is located in the first torque module. Between the second torsion module, a predetermined distance is maintained between the third fixing piece and the second fixing piece, and the third fixing piece and the second fixing piece can hold an element. The pivotal structure of the extendable stroke of claim 1, wherein the linear displacement of the push rod is parallel to the axial direction of the pivot.