TWM494347U - Twist linking transfer mechanism of biaxial torsion hinge - Google Patents

Description

Biaxial torque pivot twist-twist transmission mechanism

The present invention relates to a twin-shaft torsion pivot twist-twist transmission mechanism, which forms a more compact and low-cost dual-axis synchronous linkage mechanism on a dual-axis torque pivoting device, and can be equipped with an electron of the same transmission mechanism The outer surface of the device forms a novel and unique action effect.

An electronic device such as a notebook computer generally includes a host system end and a liquid crystal display screen end that can be opened, and the system end and the display screen end are pivotally connected at an opposite end for being used Operate the LCD screen with the pivot as the axis of motion, or reverse the two when not in use. Influenced by the type and operation mode of the tablet, the upper cover of the electronic device such as a notebook computer can display the screen display at various angles, and the screen display end and the system end can be as 360°. The large angle bends are stacked in a flat shape to provide a deformed use type. In order to achieve such multi-angle positioning and large-angle deformation, the electronic equipment such as notebook computers mostly use the biaxial torque pivot. Device.

The structure of the existing two-axis rotation controller mainly has a first rotating shaft rotating together with the upper cover display screen, and a second rotating shaft rotating together with the host system end. However, in the existing multi-axis rotary controller, when opening a large angle, or to make the display end and the system end fold 360 degrees, usually one of the axes is first rotated to a specific angle, and then switched to Another axis rotation, in addition to the entire display end and the system side of the synchronous folding mechanism is quite complex, the display end and the system In addition to the slow and unsmooth movement of the system, the manufacture and assembly of the entire dual-axis torque pivot is also laborious and the overall manufacturing cost is high.

The purpose of the present invention is to provide a twin-shaft torsion pivot twist-twist transmission mechanism, which enables such a dual-axis torque pivot mechanism to be mounted on an electronic device to be manufactured with a more compact structure and lower cost. At the same time, it is possible to form a more novel and special action effect on the outer surface of the electronic device during the turbulent operation.

In order to achieve the above objective, the present invention includes: a first pivot shaft, and a second pivot shaft disposed opposite to the first pivot shaft, wherein the first pivot shaft and the second pivot shaft are respectively fixed at one end a piece for being respectively fixedly fixed to the upper cover display end of the electronic device and the host system end; the first pivot shaft and the second pivot end are sequentially sleeved with the opposite concave wheel and the cam, the elastic gasket device, the assembly plate, and a torsion pivot member formed by the fixing device; the first pivot and the second pivot are disposed on the inner end of the torsion pivot member with two oppositely spaced apart first positioning partitions and a second positioning The first positioning partition plate and the second positioning partition plate are respectively provided with upper and lower opposite through holes respectively passing through the first pivot shaft and the second pivot shaft in a non-coupling structure; the first positioning partition plate And a two-way gear set formed by a first two-way gear and a second two-way gear that are coupled to each other between the second positioning partitions; and an imaginary outer casing, wherein the imaginary outer casing is provided with an internal space The occlusion cover includes the second positioning spacer and the torque a shaft member, and an engaging piece is disposed inside the imaginary outer casing for locking to the torsion pivot member assembly plate with a bolt fit; according to the two-way gear set, the first pivot and the second Pivoting The step-by-step operation makes the two-axis synchronization mechanism more compact. At the same time, the imaginary outer casing can be further configured to appear on the outer surface of the electronic device in conformity with the shape of the two-way gear set.

In a possible embodiment, the first two-way gear and the second two-way gear are twist-shaped transmission structures, and the imaginary outer casing is provided with an outer surface twist that is identical to the twist shape of the first two-way gear and the second two-way gear Shape structure.

In a possible embodiment, the cam is formed on the surface of the second positioning partition facing the concave wheel.

In a preferred embodiment, the first and second bidirectional gears have a concave portion at both ends of the second bidirectional gear, and are respectively inserted into the concave portion to be coupled with the first pivot and the second pivot. washer.

Wherein the gasket has a thickness greater than the recessed portion, such that the gasket is pressed against the first positioning partition and the second positioning partition opposing surface toward the outer surface.

10‧‧‧First pivot

11, 21‧‧‧ fixed piece

13‧‧‧First positioning partition

14‧‧‧Second positioning partition

20‧‧‧Second pivot

31‧‧‧ concave wheel

32‧‧‧ cam

33‧‧‧elastic gasket device

34‧‧‧Group board

35‧‧‧Fixed devices

50‧‧‧Two-way gear set

51‧‧‧First two-way gear

52‧‧‧Second two-way gear

53, 54‧‧‧through holes

55, 56‧‧‧ recessed

57, 58‧‧‧ Washers

60‧‧‧ 真真壳

61‧‧‧Internal space

62‧‧‧Joint piece

63‧‧‧ bolt

70‧‧‧Electronic equipment

71‧‧‧Host system side

72‧‧‧Show screen

131, 141‧‧‧ first through hole

132, 142‧‧‧ second through hole

Figure 1 shows a perspective view of a possible embodiment of the present invention.

Fig. 2 is an exploded perspective view showing the three-dimensional element of Fig. 1.

Fig. 2A shows a perspective view of the other side of the imaginary outer casing of Fig. 2.

Figure 3 is a cross-sectional view showing the first section.

Figure 4 shows the schematic diagram of the bidirectional gear actuation state of the creation.

Figure 5 shows a schematic diagram of the state of the author's installation on the notebook.

The novelty and other features of the present invention will be apparent from the following detailed description of the embodiments of the drawings.

As shown in Figures 1 and 2, in the illustrated embodiment, the present invention is provided with a first pivot 10 and an opposite second pivot 20, the first pivot 10 and the second pivot 20 The fixing pieces 11 and 21 are respectively assembled at one end for being respectively fixedly fixed to the upper cover display end of the electronic device (such as a notebook computer) and the host system end; the first pivot shaft 10 and the second pivot shaft 20 can be respectively The torsion pivot members, such as opposing recessed wheels 31 and cams 32, resilient spacer means 33, assembly plates 34, and fixtures 35, are coupled to form a desired electronic device biaxial torsion pivot.

The first pivoting member 10 and the second pivoting member 20 are disposed on the inner end of the torsion pivot member with a first positioning partition 13 and a second positioning partition 14 at a distance separating the set distances. The first positioning partition 13 and the second positioning partition 14 are respectively provided with upper and lower first through holes 131 and 141 and second through holes 132 and 142 for respectively passing through the first pivot 10 and the second pivot 20, In this embodiment, the first pivot 10 passes through the opposite first through holes 131, 141, and the second pivot 20 passes through the opposite second through holes 132, 142. At the same time, the first pivot 10 and the first The two pivots 20 are formed in a cross-sectional shape including a cut plane, and the first through holes 131 and 141 and the second through holes 132 and 142 are circular holes, and when the first pivot 10 and the second pivot 20 are rotated, The first positioning partition 13 and the second positioning partition 14 do not rotate with the first pivot 10 and the second pivot 20. In this embodiment, the cam 32 is formed on the surface of the second positioning partition 14 facing the concave wheel 31.

Between the first positioning partition 13 and the second positioning partition 14 is provided a bidirectional gear formed by a first bidirectional gear 51 and a second bidirectional gear 52 which are meshed with each other, such as a spur gear. Group 50. In a preferred embodiment, the "two-way gear" is a gear that can be used for both forward and reverse gears, that is, the "two-way gear" can be selected. The gear that it is engaged with becomes a standard forward transmission or a different reverse transmission (paradoxical) Transmission). Since such a bidirectional gear has a flat shape like a twist and does not occupy a space, it is also generally called a twist-type gear structure. The first bidirectional gear 51 and the second bidirectional gear 52 are respectively provided with through holes 53 and 54 having a flat surface for the combination of the first pivot 10 and the second pivot 20, and at the same time, In a preferred embodiment, the first and second bidirectional gears 51 and 52 are respectively provided with concave portions 55 and 56 for receiving the first pivots respectively. 10 and the second pivot 20 are combined with the interlocking washers 57, 58. The thickness of the washers 57, 58 is slightly larger than the recessed depth of the recesses 55, 56, so that the washers 57, 58 can face the outer surface as shown in the third figure. Pressing against the opposite surfaces of the first positioning partition 13 and the second positioning partition 14 as shown, and in the first and second bidirectional gears 51 and 52, When the pivot 20 is tilted by the electronic device, the two-axis synchronous interlocking is performed as shown in Fig. 4, and the drive mechanism becomes a stable transmission mechanism.

Referring to FIGS. 1 to 3 at the same time, the present invention is provided with an imaginary outer casing 60 having an inner space 61 of sufficient length for the inclusion of the second locating partition 14 and the integral concave wheel 31. a torsion pivot member such as a cam 32, an elastic spacer device 33, a set plate 34, and a fixing device 35, and an engagement piece 62 (refer to FIG. 2A) is provided inside the imaginary outer casing 60 for a bolt 63 cooperates with the set plate 34 to position the pivot member. At the same time, the imaginary outer casing 60 is configured to match the twisted outer surface shape of the twisted gear mechanism of the two-way gear set 50, which is formed by the first two-way gear 51 and the second two-way gear 52, as shown in FIG. The present invention is exemplified by an electronic device 70 comprising a host system end 71 and a display screen end 72. The biaxial co-rotating torque pivot of the entire electronic device forms a very special long twist shape.

The present invention uses the two-way gear set 50 formed by the first two-way gear 51 and the second two-way gear 52 in the two opposite pivots of the electronic device to cause the host system end 71 of the electronic device and a display screen end 72 to be shaken. After that, the two relative pivots can perform fast synchronous interlocking work. In addition to having a more compact structure, more economical manufacturing cost, and smoother dual-axis synchronous transmission, the host system end 71 and the display screen end 72 of the electronic device 70 are swayed. When opened or closed in the opposite direction, the imaginary outer casing 60 can cooperate with the bidirectional gear set 50 to produce a novel dynamic effect of the rotation of the twist strip on the outer surface of the electronic device.

The above embodiments are only used to exemplify the present invention, and are not intended to be limiting, and various modifications and modifications may be made to the skilled person in the following claims.

10‧‧‧First pivot

11, 21‧‧‧ fixed piece

13‧‧‧First positioning partition

20‧‧‧Second pivot

50‧‧‧Two-way gear set

51‧‧‧First two-way gear

52‧‧‧Second two-way gear

60‧‧‧ 真真壳

61‧‧‧Internal space

Claims (5)

A twin-shaft torque pivot twist-transmission mechanism includes: a first pivot shaft, and a second pivot shaft disposed opposite to the first pivot shaft, the first pivot shaft and the second pivot shaft Fixing pieces are respectively assembled at one end for being respectively fixedly fixed to the upper cover display end of the electronic device and the host system end; the first pivot shaft and the second pivot end are sequentially sleeved with the opposite concave wheel and the cam and the elastic spacer a torsion pivot member formed by the device, the assembly plate and the fixing device; the first pivot and the second pivot are disposed on the inner end of the torsion pivot member with two oppositely spaced first positioning partitions a first positioning partition and a second positioning partition, wherein the first positioning partition and the second positioning partition are respectively provided with upper and lower opposite through holes respectively passing through the first pivot and the second pivot in a non-coupling structure; Between the first positioning partition and the second positioning partition, a two-way gear set formed by a first two-way gear and a second two-way gear that are coupled to each other; and an imaginary casing, the imaginary The outer casing is provided with an inner space for containing the cover including the second positioning A pivot plate and the torsion member, and to the interior of the housing is provided with an immersive engaging piece for mating with a bolt locking member to pivot the torsion engaging plate. The biaxial torsion pivot twist-twist transmission mechanism according to claim 1, wherein the first bidirectional gear and the second bidirectional gear are twist-shaped transmission structures, and the pseudo-housing is provided with The first bidirectional gear and the second bidirectional gear have a twisted outer surface twist-like structure. The biaxial torsion pivot twist-twist transmission mechanism according to claim 1, wherein the cam is formed on a surface of the second positioning partition toward the concave wheel. The biaxial torsion pivot twist-twist transmission mechanism according to claim 1, wherein the first bidirectional gear and the second bidirectional gear have a concave portion at a predetermined end for being respectively inserted into the concave portion. a washer that is coupled with the first pivot and the second pivot. The biaxial torque pivot twist-twist transmission mechanism of claim 4, wherein the washer has a thickness greater than the recessed portion, and the washer is pressed against the first positioning partition toward the outer surface. And a second positioning spacer opposite surface.