TWM623897U - Lockable and unlockable hinge device - Google Patents

Abstract

A hinge device that can be locked and unlocked comprises a base, a shaft, a transmission mechanism, a cam piece, a toggle piece and a hook. The shaft body is rotatably arranged on the base. The transmission mechanism is linked with the shaft body. The cam member is linked with the transmission mechanism, and the rotation of the shaft body makes the cam member rotate through the transmission mechanism. The toggle piece is combined with the cam piece, and the rotation of the cam piece drives the toggle piece to move linearly between the first position and the second position. The hook is connected with the toggle member and can rotate around the first axis. When the toggle member moves from the first position to the second position, the toggle member drives the hook to rotate around the first axis within an angular range. The hook can be locked on the screen or unlocked from the screen, so that the screen can be engaged with or removed from the screen bracket.

Description

Lockable and unlockable hinge device

The present invention relates to a hinge device, in particular to a lockable buckle for locking and unlocking an electronic device by moving the hook between the locking position and the unlocking position through the relative rotation of the shaft body and the base. Unlocked hub device.

The screen of the notebook computer is connected with the host through the hub device. When the user wants to open the screen, the screen of the hub device is rotated relative to the host to open the screen. But some existing laptop screens, when opened, hope to be able to move relative to the host computer. Therefore, it is hoped that a suitable hinge device can be designed so that the screen can be moved after the screen is opened and set at an appropriate angle.

In view of this, the purpose of this creation is to provide a hinge device that can be locked and unlocked. The hinge device is connected to the bracket of the host and the screen, so that after the screen and bracket are opened to an appropriate angle, the screen will be released from the bracket and can be moved. , to solve the problem that after the screen is opened to an appropriate angle, it is hoped that the screen can be moved relative to the host and the stand for other applications, for example, it can be slid toward the host or removed to use as a tablet.

An embodiment of the lockable and unlockable hinge device of the present invention includes a base, a shaft, a transmission mechanism, a cam member, a toggle member, and a hook. The shaft body is rotatably arranged on the base. The transmission mechanism is linked with the shaft body. The cam piece is linked with the transmission mechanism, and the relative rotation of the base and the shaft body makes the cam piece rotate through the movement of the transmission mechanism. The toggle piece is combined with the cam piece, and the rotation of the cam piece drives the toggle piece to move linearly between the first position and the second position. The hook is connected with the toggle member and can rotate around the first axis. When the toggle member moves between the first position and the second position, the toggle member drives the hook to rotate around the first axis within an angular range.

In another embodiment, the transmission mechanism includes a plurality of gears, the gears mesh with each other, the gears include a first gear and a second gear, the shaft body passes through the first gear, and the cam member is connected to the second gear.

In another embodiment, the cam member includes a cam member body and a cam slot, the cam member body is connected to the transmission mechanism and rotates around the second axis, and the cam slot is provided on the cam member body and extends in a direction inclined relative to the second axis .

In another embodiment, the cam groove is disposed on the surface of the cam body and extends in a spiral shape.

In another embodiment, the toggle member includes a toggle member body and a first coupling pin, the coupling pin is disposed on the toggle member body, the toggle member body is connected to the hook, and the coupling pin is movably disposed in the cam groove. When the cam member body rotates around the second axis, the cam groove drives the coupling pin to move the toggle member body in a direction parallel to the second axis.

In another embodiment, the base includes a guide rod extending in a direction parallel to the second axis, and the toggle body is movably disposed on the guide rod.

In another embodiment, the toggle body includes a coupling recess, the hook includes a second coupling pin, the second coupling pin is coupled to the coupling recess, and the sidewall of the coupling recess drives the second coupling pin to move.

In another embodiment, the base further includes an arc-shaped chute, the hook further includes a coupling protrusion, and the coupling protrusion is coupled to the arc-shaped chute, the center of the arc-shaped chute is located on the first axis, and the arc-shaped The guide hook of the chute rotates around the first axis.

In another embodiment, the toggle member body includes a push-abutting convex portion and an escape concave portion, the push-abutting convex portion is adjacent to the escape concave portion, and when the toggle member moves from the first position to the second position, the push-pushing convex portion pushes against the push-pull convex portion The hook rotates around the first axis, and when the toggle member moves from the second position to the first position, the hook rotates around the first axis and enters the escape recess.

In another embodiment, the lockable and unlockable hinge device further includes an elastic member, the elastic member connects the base and the hook, and when the toggle member moves from the second position to the first position, the elastic member exerts a force On the hook, the hook is rotated around the first axis and enters the escape recess.

The hinge device that can be locked and unlocked in this creation is connected to the bracket of the host and the screen, the shaft is connected to the host, and the toggle and the hook can be connected to the bracket of the screen. The rotation of the shaft body drives the cam member to rotate through the transmission mechanism, and the cam groove of the cam member drives the toggle member to move linearly, and the toggle member moves to drive the hook to rotate within an angle range, whereby the hook can be locked on the screen. Or unlocked from the screen, whereby the screen can be snapped onto or removed from the screen's stand to use as a tablet. Therefore, the user can open the screen to use it as a notebook computer. When the user wants to use the screen as a tablet computer, he or she can open the screen to a specific angle, and the screen can be locked and unlocked by the hinge device of this creation. Take it off the stand and use it as a tablet.

10: Pedestal

11: The first side wall

12: Second side wall

13: The first connector

14: Support Structure

15: Guide rod

20: Shaft body

21: Second connector

30: Transmission mechanism

31: Gear

31a: first gear

31b: Second gear

31c: Third gear

40: Convex input

41: Cam body body

42: Cam groove

50: toggle

51: Toggle body

52: Combined recess

53: The first combined pin

54: Combined convex part

55: Push against the convex part

56: Recessed recess

60: hook

61: Axle pin

62: Hook body

63: Snap hook

64: Second combined pin

65: Combined convex part

66: Slotted hole

70: Torque Generation Module

71: Fixed Cam

72: Movable Cam

73: dish spring

80: elastic parts

100: Hub Device

141: Arc Chute

142: Linear Chute

B: Bracket

L1: the first axis

L2: Second axis

M: host

S: screen

FIG. 1 is a schematic diagram of the lockable and unlockable hinge device of the present invention used in an electronic device.

FIG. 2 is a perspective view of an embodiment of the lockable and unlockable hinge device of the present invention.

FIG. 3 is an exploded perspective view of the lockable and unlockable hinge device of FIG. 2 .

FIG. 4 is a perspective view of the lockable and unlockable hinge device of FIG. 2 from another perspective.

FIG. 5 and FIG. 6 are three-dimensional schematic diagrams illustrating the operation of the hinge device capable of locking and unlocking in FIG. 2 .

FIG. 7 and FIG. 8 are three-dimensional schematic diagrams of operation of another embodiment of the lockable and unlockable hinge device of the present invention.

Please refer to FIG. 1 , which shows the state in which the lockable and unlockable hinge device of the present invention is used in an electronic device. The lockable and unlockable hinge device 100 of the present invention is arranged on a notebook computer, and is pivotally connected to the host M and the screen S of the notebook computer, and the screen S is arranged on a bracket B. The lockable and unlockable hinge of the present invention The device 100 is pivotally connected to the bracket B and the host M, and the screen S is locked on the bracket B and locked on the bracket B. The screen S and the bracket B can be rotated relative to the host M to be opened and used as a notebook computer. When the screen S and the bracket B are rotated to an appropriate angle θ, the screen S is unlocked from the bracket B and can move relative to the bracket B, or even removed from the bracket B to be used as a tablet computer.

Please refer to FIG. 2 , FIG. 3 , FIG. 4 , FIG. 5 , and FIG. 6 , which illustrate an embodiment of the lockable and unlockable hinge device of the present invention. The lockable and unlockable hinge device of this embodiment includes a base 10 , a shaft body 20 , a transmission mechanism 30 , a cam member 40 , a toggle member 50 and a hook 60 .

As shown in FIG. 2 , FIG. 3 and FIG. 4 , the base 10 includes a first side wall 11 and a second side wall 12 , the first side wall 11 and the second side wall 12 are disposed opposite to each other, and the first side wall 11 is connected to a first side wall 12 . The first connecting piece 13 is connected to the bracket B of the screen S. The second side wall 12 is connected to a support structure 14 . The support structure 14 is plate-shaped and includes an arc-shaped sliding slot 141 and a straight-line sliding slot 142 .

A shaft body 20 passes through the base 10 and passes through the first side wall 11 and the second side wall 12 . One end of the shaft body 20 is connected to a second connecting piece 21 . The second connecting piece 21 is disposed on the host M. The shaft body 20 The other end is provided with a torque generating module 70 , and the torque generating module 70 includes a fixed cam 71 , a movable cam 72 and a plurality of dish springs 73 . The movable cam 72 rotates relative to the fixed cam 71 to push the dish spring 73 , thereby generating a torsion force to the shaft body 20 .

The transmission mechanism 30 includes a plurality of gears 31 that mesh with each other, and two ends of each gear 31 are rotatably disposed on the first side wall 11 and the second side wall 12 respectively. The plurality of gears 31 include a first gear 31a, a second gear 31b and a third gear 31c. The shaft body 20 passes through the first gear 31a, and the first gear 31a rotates synchronously with the shaft body 20. The first gear 31a The third gear 31c is engaged with the third gear 31c, and the third gear 31c is engaged with the second gear 31b, and the cam member 40 passes through the second gear 31b. Thereby, the rotation of the shaft body 20 is transmitted through the gear 31 to make the cam member 40 rotate synchronously. The speed reduction ratio formed by the gear ratio of the gear 31 can make the rotation speed of the shaft body 20 and the cam member 40 different.

The cam member 40 includes a cam member body 41 and a cam groove 42. The cam member body 41 is in the shape of a round rod and one end of the cam member body 41 is rotatably penetrated through the first side wall 11 and the second side wall 12, whereby the cam member body 41 can be wound around When the second axis L2 rotates, the cam slot 42 is disposed on the cam body 41 and is inclined relative to the second axis L2, that is, the extension direction of the cam slot 42 is neither parallel to the second axis L2 nor parallel to the second axis L2. The second axis L2 is vertical. The cam groove 42 of this embodiment is formed on the outer peripheral surface of the cam body 41 and is helical.

The toggle member 50 includes a toggle member body 51 , a combined concave portion 52 , a first combined pin 53 and a combined convex portion 54 . The base 10 further includes a guide rod 15 . The guide rod 15 is disposed close to the support structure 14 and passes through the toggle member body 51 , and the toggle member body 51 can move on the guide rod 15 . The first coupling pin 53 is disposed in the cam groove 42 , and the coupling convex portion 54 is disposed in the linear sliding groove 142 of the support structure 14 . When the cam member 40 rotates, since the cam groove 42 is in a spiral shape, the movement in the circumferential direction of the cam groove 42 can drive the first coupling pin 53 to move along the second axis L2, that is, the toggle member body 51 is guided by the guide rod 15. The linear chute 142 of the guide and support structure 14 moves linearly.

The hook 60 is pivoted to the support structure 14 by the shaft pin 61 , so that the hook 60 can rotate around a first axis L1 . The hook 60 includes a hook body 62 , an engaging hook portion 63 , a second coupling pin 64 and a coupling protrusion 65 . The engaging hook portion 63 , the second coupling pin 64 and the coupling convex portion 65 are disposed on opposite sides of the hook body 62 , and the second coupling pin 64 is rotatably coupled to the coupling concave portion 52 of the toggle member 50 and the coupling convex portion 65 It is slidably combined with the arc-shaped chute 141 . When the toggle member 50 moves linearly along the direction of the second axis L2, the coupling recess 52 of the toggle member 50 drives the second coupling pin 64, so that the hook 60 is guided by the arc-shaped chute 141 around the first coupling pin 64. The axis L1 rotates.

As shown in FIG. 5 and FIG. 6 , when the user exerts force to lift the screen S, the screen S and the bracket B supporting the screen S rotate relative to the host M, and the base 10 and the bracket B disposed on the base 10 are opposite to each other. When the host M rotates, that is, the base 10 and the bracket B arranged on the base 10 rotate relative to the shaft body 20 connected to the host M. As the base 10 rotates relative to the shaft body 20 , each gear 31 of the transmission mechanism 30 rotates relative to the base 10 , thereby causing the cam member 40 to rotate relative to the base 10 . The rotation of the cam member 40 causes the cam groove 42 to drive the toggle member 50 to move along the second axis L2 from the second position (eg As shown in FIG. 5 ), move to the first position (as shown in FIG. 6 ), the toggle member 50 drives the hook 60 to rotate around the first axis L1 to retreat from the position of the lock screen S (as shown in FIG. 5 ) to release The position of the screen S (as shown in Figure 6), whereby the screen S can be moved relative to the bracket B or even removed from the bracket B, whereby the screen S can be individually adjusted relative to the position of the host M or removed from the bracket B Use as a tablet.

Please refer to FIG. 7 and FIG. 8 , which illustrate another embodiment of the lockable and unlockable hinge device of the present invention. The structure of the present embodiment is partially the same as that of the previous embodiment, so the same elements are given the same symbols and their descriptions are omitted. The difference between this embodiment and the previous embodiment is that the toggle member 50 of this embodiment includes a pushing protrusion 55 and a retracting recess 56, the pushing protrusion 55 and the retracting recess 56 are disposed adjacent to each other, and the hook 60 is also The shaft pin 61 is pivotally connected to the support structure 14 , and the moving path of the pushing protrusion 55 interferes with the hook 60 , whereby when the toggle member 50 is in the second position (as shown in FIG. 7 ), the pushing protrusion 55 is pushed against the hook 60 . Push the hook 60 and keep the hook 60 in the position where it is engaged with the screen S. In addition, the support structure 14 of this embodiment is not provided with an arc-shaped chute as a guide, but is provided with an elastic member 80. One end of the elastic member 80 is set on the support structure 14 of the base 10, and the other end of the elastic member 80 is set on the base 10. The hook 60 has a slot 66 , and the other end of the elastic member 80 is disposed in the slot 66 , whereby the elastic member 80 exerts force on the hook 60 . The elastic member 80 in this embodiment is a torsion spring.

When the user pushes to lift the screen S, the screen S and the bracket B supporting the screen S rotate relative to the host M, at this time the base 10 and the bracket B arranged on the base 10 rotate relative to the host M, that is, the base 10 Together with the bracket B provided on the base 10, it rotates relative to the shaft body 20 connected with the host M. As the base 10 rotates relative to the shaft body 20 , each gear 31 of the transmission mechanism 30 rotates relative to the base 10 , thereby causing the cam member 40 to rotate relative to the base 10 . The rotation of the cam member 40 causes the cam groove 42 to drive the toggle member 50 to move along the second axis L2 from the second position (as shown in FIG. 7 ) to the first position (as shown in FIG. 8 ). Pushing the convex portion 55 away from the hook 60, the hook 60 is The elastic force of the sexual member 80 rotates around the first axis L1 to move from the position where the screen S is locked (as shown in FIG. 7 ) to the retracting recess 56 and then retracted to the position where the screen S is released (as shown in FIG. 8 ). In this way, the screen S can be moved relative to the stand B or even removed from the stand B, whereby the screen S can be individually adjusted relative to the host M or removed from the stand B to be used as a tablet computer.

The hinge device that can be locked and unlocked in this creation is connected to the bracket of the host and the screen, the shaft is connected to the host, and the toggle and the hook can be connected to the bracket of the screen. The rotation of the shaft body drives the cam member to rotate through the transmission mechanism, and the cam groove of the cam member drives the toggle member to move linearly, and the toggle member moves to drive the hook to rotate within an angle range, whereby the hook can be locked on the screen. Or unlocked from the screen, whereby the screen can be snapped onto or removed from the screen's stand to use as a tablet. Therefore, the user can open the screen to use it as a notebook computer. When the user wants to use the screen as a tablet computer, he or she can open the screen to a specific angle, and the screen can be locked and unlocked by the hinge device of this creation. Take it off the stand and use it as a tablet.

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

11: The first side wall

12: Second side wall

13: The first connector

14: Support Structure

15: Guide rod

20: Shaft body

21: Second connector

30: Transmission mechanism

31: Gear

40: Cam piece

41: Cam body body

42: Cam groove

50: toggle

51: Toggle body

52: Combined recess

53: The first combined pin

60: hook

61: Axle pin

62: Hook body

63: Snap hook

64: Second combined pin

70: Torque Generation Module

71: Fixed Cam

72: Movable Cam

73: dish spring

L1: the first axis

L2: Second axis

100: Hub Device

Claims (10)

A hinge device that can be locked and unlocked, comprising: a base; a shaft body, rotatably arranged on the base; a transmission mechanism, linked with the shaft body; a cam piece, linked with the transmission mechanism, the The relative rotation of the base and the shaft body makes the cam member rotate through the movement of the transmission mechanism; a toggle member is combined with the cam member, and the cam member rotates to drive the toggle member to a first position and a first position. Linear movement between the two positions; and a hook, connected with the toggle member and rotatable around a first axis, when the toggle member moves from the first position to the second position, the toggle The moving element drives the hook to rotate around the first axis in an angular range. The lockable and unlockable hinge device according to claim 1, wherein the transmission mechanism comprises a plurality of gears, the gears mesh with each other, the gears comprise a first gear and a second gear, and the shaft body passes through For the first gear, the cam member is connected to the second gear. The lockable and unlockable hinge device according to claim 1, wherein the cam member comprises a cam member body and a cam groove, the cam member body is connected to the transmission mechanism and rotates around a second axis, and the cam groove It is arranged on the cam body and extends in a direction inclined relative to the second axis. The lockable and unlockable hinge device according to claim 3, wherein the cam groove is disposed on the surface of the cam body and extends in a spiral shape. The hinge device that can be locked and unlocked as claimed in claim 3, wherein the toggle element comprises a toggle element body and a first coupling pin, the coupling pin is disposed on the toggle element body, and the toggle element body Connected to the hook, the coupling pin is movably disposed in the cam groove, when the cam When the member body rotates around the second axis, the cam groove drives the combination pin to move the toggle member body in a direction parallel to the second axis. The lockable and unlockable hinge device as claimed in claim 5, wherein the base comprises a guide rod extending in a direction parallel to the second axis, and the toggle body is movably disposed on the the guide rod. The lockable and unlockable hinge device according to claim 5, wherein the toggle body includes a coupling recess, the hook includes a second coupling pin, the second coupling pin is coupled to the coupling recess, and the coupling The side wall of the recess drives the second coupling pin to move. The hinge device that can be locked and unlocked as claimed in claim 7, wherein the base further comprises an arc-shaped chute, the hook further includes a coupling protrusion, and the coupling protrusion is coupled to the arc-shaped chute, The center of the arc-shaped chute is located on the first axis, and the arc-shaped chute guides the hook to rotate around the first axis. The hinge device that can be locked and unlocked as claimed in claim 5, wherein the toggle member body includes a push-abutting convex portion and a retracting concave portion, the push-abutting convex portion is adjacent to the retracting concave portion, and when the toggle member is removed from the retracting portion When the first position moves to the second position, the pushing protrusion pushes against the hook and rotates the hook around the first axis. When the toggle member moves from the second position to the first position When the hook is rotated, the hook rotates around the first axis and enters the escape recess. The lockable and unlockable hinge device as claimed in claim 9, further comprising an elastic piece connecting the base and the hook, when the toggle piece moves from the second position to the first position When in the position, the elastic member exerts force on the hook, so that the hook rotates around the first axis and enters the escape recess.

Images