TW202320611A - Hinge structure and electronic device - Google Patents

Abstract

A hinge structure includes a base, a first rotation shaft, a second rotation shaft and a torsion assembly. The first torsion shaft is rotatably disposed on the base along a first axial direction. The first rotation shaft has a worm section. The second rotation shaft is rotatably disposed on the base along a second axial direction. The second rotation shaft has a worm gear section, and the worm gear section is engaged with the worm section. The torsion assembly is disposed on the second rotation shaft. In addition, an electronic device having the hinge structure is also provided.

Description

Pivot structure and electronics

The present invention relates to a pivot structure and an electronic device, and in particular to a pivot structure and an electronic device including a torsion component.

Most of the pivot structures of notebook computers are provided with torsion components to provide the required torsion when the body is opened and closed. The torsion component is usually arranged coaxially on the rotating shaft in the pivot structure, so the rotating shaft must have a large enough diameter to configure and support the torsion component. However, if the rotating shaft is arranged at the screen end of the notebook computer, the thickness of the body of the screen cannot be reduced due to the large diameter of the rotating shaft, which goes against the current design trend of thinner and lighter electronic products.

The present invention provides a pivot structure whose rotating shaft can have a smaller diameter.

The invention provides an electronic device, the rotating shaft of the pivot structure can have a smaller diameter.

The pivot structure of the present invention includes a base, a first rotating shaft, a second rotating shaft and a torsion component. The first rotating shaft is rotatably arranged on the seat body along a first axial direction. The first rotating shaft has a worm section. The second rotating shaft is rotatably arranged on the seat body along a second axial direction. The second rotating shaft has a worm wheel section, and the worm wheel section is engaged with the worm section. The torsion component is configured on the second rotating shaft.

The electronic device of the present invention includes a first body, a second body and a pivot structure. The pivot structure includes a base, a first rotating shaft, a second rotating shaft and a torsion component. The base is connected to the first body. The first rotating shaft is rotatably arranged on the seat body along a first axial direction and connected to the second body. The first rotating shaft has a worm section. The second rotating shaft is rotatably arranged on the seat body along a second axial direction. The second rotating shaft has a worm wheel section, and the worm wheel section is engaged with the worm section. The torsion component is configured on the second rotating shaft.

In an embodiment of the present invention, the above-mentioned first axis is perpendicular to the second axis.

In an embodiment of the present invention, the above-mentioned torsion assembly includes at least one torsion elastic piece and a fastener, the fastener is fastened to the second rotating shaft, at least one torsion elastic piece is sleeved on the second rotating shaft and sandwiched between the fastener and the seat between bodies.

In an embodiment of the present invention, the above-mentioned seat body has a first pivotal portion and a second pivotal portion, the first pivotal portion has a first shaft hole, and the second pivotal portion has a second shaft hole, the first shaft is pivotally connected to the first shaft hole, the second shaft is pivotally connected to the second shaft hole, the distance between the center of the first shaft hole and the center of the second shaft hole is equal to the shaft center of the worm section and the worm wheel The distance between the axes of the segments.

In an embodiment of the present invention, the above-mentioned seat body has a concave arc surface, and the concave arc surface carries the worm wheel section.

In an embodiment of the present invention, the outer surface of the above-mentioned worm wheel section has a toothed area and a non-toothed area, and the non-toothed area contacts the concave arc surface.

In an embodiment of the present invention, the above-mentioned pivot structure further includes a fixing piece, wherein the fixing piece is sheathed on the second rotating shaft, and the base body has two stoppers, and the two stoppers are parallel to the first axial direction. The opposite sides of the fixed part are respectively stopped in the direction.

Based on the above, in the pivot structure of the present invention, in addition to the existing first rotating shaft for connecting the second body, a second rotating shaft is added. The worm gear section of the second rotating shaft engages with the worm section of the first rotating shaft, so that the first rotating shaft and the second rotating shaft can rotate synchronously. Thereby, the torsion component can be arranged on the second rotating shaft, so that the torsion component can provide the required torsion force of the pivot structure along with the synchronous rotation of the second rotating shaft during the rotation of the first rotating shaft. Since there is no need to arrange the torsion component on the first rotating shaft, the first rotating shaft can have a smaller diameter, so that the thickness of the second body can be reduced.

FIG. 1 is a perspective view of an electronic device according to an embodiment of the present invention. Please refer to FIG. 1 , the electronic device 100 of this embodiment includes a first body 110 , a second body 120 and at least one pivot structure 130 (marked as two). The first body 110 and the second body 120 are pivotally connected to each other through the pivot structure 130 , so that the second body 120 can be closed and unfolded relative to the first body 110 . FIG. 1 shows that the second body 120 is closed to the first body 110 . In this embodiment, the electronic device 100 is, for example, a notebook computer, the first body 110 is, for example, a host computer of the notebook computer, and the second body 120 is, for example, a monitor of the notebook computer, but the present invention is not limited thereto. To make the drawing clearer, one of the pivot structures 130 is shown as visible in FIG. 1 , but in fact, all the pivot structures 130 can be hidden in the shell of the first body 110 .

FIG. 2 is a partially enlarged view of the electronic device of FIG. 1 . FIG. 3 is an exploded view of the pivot structure of FIG. 2 . Please refer to FIG. 2 and FIG. 3 , the pivot structure 130 of this embodiment includes a base 132 , a first rotating shaft 134 , a second rotating shaft 136 and a torsion component 138 . The seat body 132 is fixedly connected to the first body 110 . The first rotating shaft 134 is rotatably disposed on the base body 132 along a first axis A1 and is connected to the second body 120 through a connecting section 134 b thereof, and the first rotating shaft 134 has a worm section 134 a. The second shaft 136 is rotatably disposed on the base body 132 along a second axis A2 perpendicular to the first axis A1, and the second shaft 136 has a worm wheel section 136a, and the worm wheel section 136a is engaged with the worm section 134a . The torsion component 138 is configured on the second shaft 136 .

As mentioned above, in the pivot structure 130 of this embodiment, in addition to the existing first rotating shaft 134 for connecting the second body 120 , a second rotating shaft 136 is added. The second shaft 136 engages with the worm section 134a of the first shaft 134 through its worm wheel section 136a, so that the first shaft 134 and the second shaft 136 can rotate synchronously. Therefore, the torsion component 138 as above can be disposed on the second shaft 136 , so that the torsion component 138 can provide the required torque for the pivot structure 130 with the synchronous rotation of the second shaft 136 during the rotation of the first shaft 134 . Since there is no need to dispose the torsion component 138 on the first rotating shaft 134 , the first rotating shaft 134 can have a smaller diameter, so that the thickness of the second body 120 can be reduced.

In addition, compared with the general spur gear or helical gear meshing, this embodiment uses the worm gear/worm connection method to couple the first rotating shaft 134 and the second rotating shaft 136 as described above, so that the first rotating shaft 134 and the second rotating shaft 136 There are more meshing teeth therebetween, so as to make the first rotating shaft 134 and the second rotating shaft 136 move stably.

FIG. 4 is a perspective view of the pivot structure in FIG. 2 from another perspective. Please refer to FIG. 2 to FIG. 4 , in detail, the seat body 132 of this embodiment has at least one first pivotal portion 1321 (shown as two) and a second pivotal portion 1322, the first pivotal portion 1321 There is a first shaft hole H1, and the second pivot portion 1322 has a second shaft hole H2. The first rotating shaft 134 is pivotally connected to the first shaft hole H1, and the second rotating shaft 136 is pivotally connected to the second shaft hole H2. On the other hand, the torsion component 138 includes a plurality of torsion elastic pieces 1381 and a fastener 1382 . The fastener 1382 is, for example, a nut and fastened to the end of the second shaft 136 . The torsion spring 1381 is sheathed on the second shaft 136 and sandwiched between the fastener 1382 and the second pivot portion 1322 of the base 132 .

In addition, the pivot structure 130 of this embodiment further includes a fixing part 139 . The fixing member 139 is sleeved on the second rotating shaft 136 and sandwiched between the fastening member 1382 and the torsion elastic piece 1381 . The seat body 132 further has two stoppers 1323 , and the two stoppers 1323 respectively stop two opposite sides of the fixing member 139 in a direction parallel to the first axial direction A1 . Thereby, the second rotating shaft 136 can be more stably disposed on the base body 132 .

Please refer to FIG. 2 and FIG. 3 , in this embodiment, the outer surface of the worm wheel section 136 a of the second rotating shaft 136 has a toothed area R1 and a non-toothed area R2 . The seat body 132 has a concave arc surface S, and the concave arc surface S is used to contact the non-tooth region R2 to carry the worm wheel section 136a. The radius of curvature and the center of curvature of the concave arc surface S2 are, for example, the same as the radius of curvature and center of curvature of the non-toothed region R2 , so that the worm wheel segment 136 a can rotate on the concave arc surface S smoothly and stably.

FIG. 5 is a partial component front view of the pivot structure of FIG. 2 . FIG. 6 is a front view of the base of FIG. 5 . Please refer to FIG. 5 and FIG. 6, in this embodiment, the distance d1 between the center of the first shaft hole H1 and the center of the second shaft hole H2 is designed to be equal to the shaft center of the worm section 134a and the worm wheel section 136a The distance d2 between the shaft centers of the worm gear section 134a and the worm wheel section 136a can be stably engaged and actuated. The distance d2 is defined, for example, as half of the sum of the pitch circle diameter of the worm section 134 a and the pitch circle diameter of the worm wheel section 136 a.

To sum up, in the pivot structure of the present invention, in addition to the existing first rotating shaft for connecting the second body, a second rotating shaft is added. The worm gear section of the second rotating shaft engages with the worm section of the first rotating shaft, so that the first rotating shaft and the second rotating shaft can rotate synchronously. Thereby, the torsion component can be arranged on the second rotating shaft, so that the torsion component can provide the required torsion force of the pivot structure along with the synchronous rotation of the second rotating shaft during the rotation of the first rotating shaft. Since there is no need to arrange the torsion component on the first rotating shaft, the first rotating shaft can have a smaller diameter, so that the thickness of the second body can be reduced. In addition, compared with the general spur gear or helical gear meshing, the embodiment of the present invention uses a worm gear/worm connection to couple the first rotating shaft and the second rotating shaft, so that there is a gap between the first rotating shaft and the second rotating shaft. More meshing teeth are used to make the first rotating shaft and the second rotating shaft move stably.

100: Electronic device 110: The first body 120: Second body 130: pivot structure 132: seat body 1321: The first pivot joint 1322: the second pivot joint 1323: stopper 134: the first rotating shaft 134a: Worm section 134b: Connecting segments 136: Second shaft 136a: Worm gear section 138:Torsion component 1381:Torsion shrapnel 1382: Fasteners 139:Fixer A1: first axis A2: Second axis d1, d2: distance H1: the first shaft hole H2: Second shaft hole R1: tooth area R2: Non-tooth area S: Concave surface

FIG. 1 is a perspective view of an electronic device according to an embodiment of the present invention. FIG. 2 is a partially enlarged view of the electronic device of FIG. 1 . FIG. 3 is an exploded view of the pivot structure of FIG. 2 . FIG. 4 is a perspective view of the pivot structure in FIG. 2 from another perspective. FIG. 5 is a partial component front view of the pivot structure of FIG. 2 . FIG. 6 is a front view of the base of FIG. 5 .

100: Electronic device

110: The first body

120: Second body

130: pivot structure

132: seat body

1321: The first pivot joint

1323: stopper

134: the first rotating shaft

134a: Worm section

136: Second shaft

136a: Worm gear section

138:Torsion component

1381:Torsion shrapnel

1382: Fasteners

139:Fixer

A1: first axis

A2: Second axis

H1: the first shaft hole

R1: tooth area

R2: Non-tooth area

S: Concave surface

Claims (15)

A pivot structure comprising: a body; a first rotating shaft, rotatably disposed on the base body along a first axial direction, wherein the first rotating shaft has a worm section; a second rotating shaft, rotatably disposed on the base body along a second axial direction, wherein the second rotating shaft has a worm wheel segment, and the worm wheel segment engages with the worm screw segment; and A torsion component is arranged on the second rotating shaft. The pivot structure as claimed in claim 1, wherein the first axis is perpendicular to the second axis. The pivot structure according to claim 1, wherein the torsion component includes at least one torsion elastic piece and a fastener, the fastener is fastened to the second rotating shaft, the at least one torsion elastic piece is sleeved on the second rotating shaft and clipped placed between the fastener and the seat. The pivot structure according to claim 1, wherein the seat body has a first pivot portion and a second pivot portion, the first pivot portion has a first shaft hole, and the second pivot portion has A second shaft hole, the first shaft is pivotally connected to the first shaft hole, the second shaft is pivotally connected to the second shaft hole, the center of the first shaft hole and the center of the second shaft hole The distance is equal to the distance between the axis of the worm section and the axis of the worm wheel section. The pivot structure as claimed in claim 1, wherein the seat body has a concave arc surface, and the concave arc surface carries the worm wheel section. The pivot structure as claimed in claim 5, wherein the outer surface of the worm wheel section has a toothed area and a non-toothed area, and the non-toothed area contacts the concave arc surface. The pivot structure according to claim 1 further includes a fixing piece, wherein the fixing piece is sleeved on the second rotating shaft, and the base body has two stoppers, and the two stoppers are parallel to the first shaft The opposite sides of the fixing part are stopped respectively in the direction of direction. An electronic device comprising a first organism; a second organism; and A pivot structure comprising: a body connected to the first body; a first rotating shaft, rotatably disposed on the base body along a first axial direction and connected to the second body, wherein the first rotating shaft has a worm section; a second rotating shaft, rotatably disposed on the base body along a second axial direction, wherein the second rotating shaft has a worm wheel segment, and the worm wheel segment engages with the worm screw segment; and A torsion component is arranged on the second rotating shaft. The electronic device as claimed in claim 8, wherein the first axis is perpendicular to the second axis. The electronic device according to claim 8, wherein the torsion component includes at least one torsion elastic piece and a fastener, the fastener is fastened to the second rotating shaft, and the at least one torsion elastic piece is sleeved on the second rotating shaft and clamped between the fastener and the seat. The electronic device as claimed in item 8, wherein the seat body has a first pivot portion and a second pivot portion, the first pivot portion has a first shaft hole, and the second pivot portion has a The second shaft hole, the first shaft is pivotally connected to the first shaft hole, the second shaft is pivotally connected to the second shaft hole, the distance between the center of the first shaft hole and the center of the second shaft hole It is equal to the distance between the axis center of the worm section and the axis center of the worm wheel section. The electronic device as claimed in claim 8, wherein the seat body has a concave arc surface, and the concave arc surface carries the worm wheel section. The electronic device as claimed in claim 12, wherein the outer surface of the worm gear segment has a toothed area and a non-toothed area, and the non-toothed area contacts the concave arc surface. The electronic device as claimed in item 8, wherein the pivot structure further includes a fixing piece, the fixing piece is sheathed on the second rotating shaft, and the base body has two stoppers, and the two stoppers are parallel to the The opposite two sides of the fixing member are stopped respectively in the direction of the first axial direction. The electronic device as claimed in claim 8, wherein the second body is a display.

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