Pivot mechanism of synchronous hinge device

Patent metadata

Field	Value
Publication number	US-2016010374-A1
Application number	US-201414486072-A
Country	US
Kind code	A1
Filing date	Sep 15, 2014
Priority date	Jul 14, 2014
Publication date	Jan 14, 2016
Grant date	—

Abstract

A pivot mechanism of the synchronous hinge device is applied to a foldable electronic apparatus. The pivot mechanism can be stably rotated and the distance between two shafts of the dual-shaft hinge is shortened, whereby the electronic device can be smoothly rotated and have a miniaturized and lightweight structure. The pivot mechanism includes a driver disposed on a first shaft and a reactor disposed on a second shaft and a link unit. Spur gears and conical (bevel) gears are respectively disposed at two ends of the link unit and the driver and the reactor. The Spur gears and conical (bevel) gears are engaged with each other to transmit power, whereby the first shaft with the driver and the second shaft with the reactor can be stably synchronously rotated in reverse directions.

First claim

What is claimed is:

1 . A pivot mechanism of synchronous hinge device, comprising:
a first shaft having a fixed section and a pivoted section; a second shaft having a fixed section and a pivoted section; a driver having a shaft section and a shaft hole formed on the shaft section, a spur gear structure being disposed on the shaft section of the driver, the pivoted section of the first shaft being fitted in the shaft hole of the driver to mount the driver on the pivoted section of the first shaft; a reactor having a shaft section and a shaft hole formed on the shaft section, the shaft section of the reactor being parallel to the shaft section of the driver, a spur gear structure being disposed on the shaft section of the reactor, the pivoted section of the second shaft being fitted in the shaft hole of the reactor to mount the reactor on the pivoted section of the second shaft; and a link unit including a shaft section drivingly positioned between the driver and the reactor, the link unit further including conical gear structures at two ends of the shaft section, the conical gear structures being engaged with the spur gear structures of the driver and the reactor, whereby via the link unit, the first shaft with the driver and the second shaft with the reactor can be synchronously rotated in reverse directions.

2 . The pivot mechanism of the synchronous hinge device as claimed in claim 1 , wherein the spur gear structure includes a disc disposed at at least one of one end of the shaft section of the driver and one end of the shaft section of the reactor and a spur crown gear disposed on the disc.

3 . The pivot mechanism of the synchronous hinge device as claimed in claim 1 , wherein the spur gear structure includes a spur gear disposed at at least one of one end of the shaft section of the driver and one end of the shaft section of the reactor.

4 . The pivot mechanism of the synchronous hinge device as claimed in claim 1 , wherein the driver, the reactor and the link unit are disposed between a main fixing plate and a subsidiary fixing plate, upper and lower sections of the main fixing plate and the subsidiary fixing plate being respectively formed with perforations, the pivoted sections of the first and second shafts being passed through the perforations to fit the main fixing plate and the subsidiary fixing plate on the first and second shafts, each of the main fixing plate and the subsidiary fixing plate having a base section and a recess formed on the base section for together pivotally connecting with the shaft section of the link unit, permitting the link unit to rotate between the base sections.

5 . The pivot mechanism of the synchronous hinge device as claimed in claim 2 , wherein the driver, the reactor and the link unit are disposed between a main fixing plate and a subsidiary fixing plate, upper and lower sections of the main fixing plate and the subsidiary fixing plate being respectively formed with perforations, the pivoted sections of the first and second shafts being passed through the perforations to fit the main fixing plate and the subsidiary fixing plate on the first and second shafts, each of the main fixing plate and the subsidiary fixing plate having a base section and a recess formed on the base section for together pivotally connecting with the shaft section of the link unit, permitting the link unit to rotate between the base sections.

6 . The pivot mechanism of the synchronous hinge device as claimed in claim 3 , wherein the driver, the reactor and the link unit are disposed between a main fixing plate and a subsidiary fixing plate, upper and lower sections of the main fixing plate and the subsidiary fixing plate being respectively formed with perforations, the pivoted sections of the first and second shafts being passed through the perforations to fit the main fixing plate and the subsidiary fixing plate on the first and second shafts, each of the main fixing plate and the subsidiary fixing plate having a base section and a recess formed on the base section for together pivotally connecting with the shaft section of the link unit, permitting the link unit to rotate between the base sections.

7 . The pivot mechanism of the synchronous hinge device as claimed in claim 4 , wherein the recesses of the main fixing plate and the subsidiary fixing plate together form a circular hollow in which the shaft section of the link unit is pivotally fitted, a groove being formed on each of the recesses of the base sections of the main fixing plate and the subsidiary fixing plate.

8 . The pivot mechanism of the synchronous hinge device as claimed in claim 4 , wherein each of the pivoted sections of the first and second shafts is assembled with a torque module, the pivoted sections of the first and second shafts, the main fixing plate, the driver, the reactor, the link unit, the subsidiary fixing plate and the torque modules being mounted in a case.

9 . The pivot mechanism of the synchronous hinge device as claimed in claim 1 , wherein the fixed sections of the first and second shafts are assembled with fixing seats to respectively fix the first and second shafts on a display module and an apparatus body module of an electronic apparatus.

10 . The pivot mechanism of the synchronous hinge device as claimed in claim 2 , wherein the fixed sections of the first and second shafts are assembled with fixing seats to respectively fix the first and second shafts on a display module and an apparatus body module of an electronic apparatus.

11 . The pivot mechanism of the synchronous hinge device as claimed in claim 3 , wherein the fixed sections of the first and second shafts are assembled with fixing seats to respectively fix the first and second shafts on a display module and an apparatus body module of an electronic apparatus.

12 . The pivot mechanism of the synchronous hinge device as claimed in claim 4 , wherein the fixed sections of the first and second shafts are assembled with fixing seats to respectively fix the first and second shafts on a display module and an apparatus body module of an electronic apparatus.

13 . The pivot mechanism of the synchronous hinge device as claimed in claim 7 , wherein the fixed sections of the first and second shafts are assembled with fixing seats to respectively fix the first and second shafts on a display module and an apparatus body module of an electronic apparatus.

14 . The pivot mechanism of the synchronous hinge device as claimed in claim 8 , wherein the fixed sections of the first and second shafts are assembled with fixing seats to respectively fix the first and second shafts on a display module and an apparatus body module of an electronic apparatus.

15 . A pivot mechanism of synchronous hinge device, comprising:
a first shaft having a fixed section and a pivoted section; a second shaft having a fixed section and a pivoted section; a driver having a shaft section and a shaft hole formed on the shaft section, a conical gear structure being disposed on the shaft section of the driver, the pivoted section of the first shaft being fitted in the shaft hole of the driver to mount the driver on the pivoted section of the first shaft; a reactor having a shaft section and a shaft hole formed on the shaft section, the shaft section of the reactor being parallel to the shaft section of the driver, a conical gear structure being disposed on the shaft section of the reactor, the pivoted section of the second shaft being fitted in the shaft hole of the reactor to mount the reactor on the pivoted section of the second shaft; and a link unit including a shaft section

Assignees

• First Dome Corp

Inventors

• Hsu An Szu
• Lee Wang Jui
• Lin Chung Yi
• Lin Ya Ching

Classifications

• G06F1/16 Primary

  Constructional details or arrangements · CPC title

• G06F1/1681 Primary

  Details related solely to hinges (hinge details related to the transmission of signals or power are classified in G06F1/1683) · CPC title

• E05D11/06 Primary

  Devices for limiting the opening movement of hinges · CPC title