Transmission device applied to rotary shafts

• US 9,003,607 B1
• Filed: 01/08/2014
• Issued: 04/14/2015
• Est. Priority Date: 12/17/2013
• Status: Active Grant

• Current Assignee: First Dome Corporation
• Original Assignee: First Dome Corporation
• Inventors: Hsu, An Szu
• Primary Examiner(s): O BRIEN, JEFFREY D
• Application Number:
  US14/149,937
• Time in Patent Office: 461 Days
• Field of Search: 162/21, 162/23, 163/66, 163/71, 163/48, 163/57, 74/99.R
• US Class Current: 16/366
• CPC Class Codes: E05Y 2900/606 for electronic devices
• CPC Class Codes: F16H 21/44 for conveying or interconverting oscillating or reciprocating motions
• CPC Class Codes: F16H 25/186 with reciprocation along the axis of oscillation
• CPC Class Codes: G06F 1/1618 the display being foldable up to the back of the other housing with a single degree of freedom, e.g. by 360° rotation over the axis defined by the rear edge of the base enclosure
• CPC Class Codes: G06F 1/162 changing, e.g. reversing, the face orientation of the screen with a two degrees of freedom mechanism, e.g. for folding into tablet PC like position or orienting towards the direction opposite to the user to show to a second user
• CPC Class Codes: G06F 1/1681 Details related solely to hinges hinge details related to the transmission of signals or power are classified in G06F1/1683

Abstract

A transmission device applied to rotary shafts for facilitating the assembling process. The transmission device includes at least one rotary shaft, a drive member movable along with the rotation of the rotary shaft, a transversely movable driver, a turning unit and a transmission unit. The turning unit has a first end connected with the driver and a second end assembled with the transmission unit. When the transmission unit is longitudinally moved, a connection section and a carrier body are driven by the transmission unit to lift or lower a base body or a frame in accordance with the operation mode of an electronic apparatus.

Claims

1. A transmission device applied to rotary shafts, comprising:

a first and second rotary shaft, each rotary shaft having a fixed section and a pivoted section, the pivoted section of each rotary shaft being assembled with a torque module;

a drive member disposed on the first rotary shaft, the drive member being formed with a drive section;

a driver having a guide section assembled with the drive section and a hand section, the hand section being movable along a rail between a first position and a second position;

a turning unit including a first end pivotally connected with the hand section of the driver, a second end and a middle section connected between the first and second ends, wherein the middle section is pivotally fixed relative to the rail to serve as a movement fulcrum; and

a transmission unit having a pivoted end pivotally connected with the second end of the turning unit and a transmission section, when the first rotary shaft rotates, the driver guide section engages the drive member drive section to move the driver along the rail, the driver moves the turning unit, the turning unit moves the transmission unit, the transmission section drives a connection section to move.

2. The transmission device applied to rotary shafts as claimed in claim 1, wherein the first rotary shaft is disposed on an electronic apparatus including an apparatus body module and a display module,

the rail being disposed on a fixing board of the apparatus body module, the hand section of the driver being formed with a bolt hole, a bolt being passed through the bolt hole to assemble the driver on the fixing board, whereby the hand section is movable along the rail, the rail being a slot.

3. The transmission device applied to rotary shafts as claimed in claim 2, wherein the fixed section of the first rotary shaft being connected with and disposed on the fixing board of the apparatus body module, the fixed section of the second rotary shaft being connected with and disposed on the display module, the drive member being disposed on the first rotary shaft, the first and second rotary shaft being enclosed in a subsidiary casing, a restriction plate, the subsidiary casing and the torque module being together mounted in a case, the restriction plate being formed with two perforations for the pivoted sections of the first and second rotary shafts to pass through respectively.

4. The transmission device applied to rotary shafts as claimed in claim 1, wherein the drive member is a tubular body having a shaft hole, the first rotary shaft being fitted in the shaft hole, the drive section being formed on a surface of the drive member, the drive section being a groove including a straight section and an oblique section connected with the straight section.

5. The transmission device applied to rotary shafts as claimed in claim 2, wherein the drive member is a tubular body having a shaft hole, the first rotary shaft being fitted in the shaft hole, the drive section being formed on a surface of the drive member, the drive section being a groove including a straight section and an oblique section connected with the straight section.

6. The transmission device applied to rotary shafts as claimed in claim 3, wherein the drive member is a tubular body having a shaft hole, the first rotary shaft being fitted in the shaft hole, the drive section being formed on a surface of the drive member, the drive section being a groove including a straight section and an oblique section connected with the straight section, one end of the drive member being formed with a shoulder section and an insertion block formed on the shoulder section, the insertion block being inserted in a hole formed on the restriction plate.

7. The transmission device applied to rotary shafts as claimed in claim 4, wherein the driver is formed with an arched section corresponding to the tubular body of the drive member, the guide section being formed on the arched section in the form of a key, the guide section being inlaid in the drive section.

8. The transmission device applied to rotary shafts as claimed in claim 5, wherein the driver is formed with an arched section corresponding to the tubular body of the drive member, the guide section being formed on the arched section in the form of a key, the guide section being inlaid in the drive section.

9. The transmission device applied to rotary shafts as claimed in claim 6, wherein the driver is formed with an arched section corresponding to the tubular body of the drive member, the guide section being formed on the arched section in the form of a key, the guide section being inlaid in the drive section.

10. The transmission device applied to rotary shafts as claimed in claim 1, wherein the turning unit is an L-shaped plate body, each of the first and second ends and the middle section being formed with an assembling hole, a bolt being passed through the assembling hole of the first end to connect the first end with the hand section of the driver, the assembling hole of the second end being pivotally connected with the pivoted end of the transmission unit, the assembling hole of the middle section being pivotally connected on a fixing board to serve as the movement fulcrum.

11. The transmission device applied to rotary shafts as claimed in claim 2, wherein the turning unit is an L-shaped plate body, each of the first and second ends and the middle section being formed with an assembling hole, the bolt being passed through the assembling hole of the first end to connect the first end with the hand section of the driver, the assembling hole of the second end being pivotally connected with the pivoted end of the transmission unit, the assembling hole of the middle section being pivotally connected on the fixing board to serve as the movement fulcrum.

12. The transmission device applied to rotary shafts as claimed in claim 4, wherein the turning unit is an L-shaped plate body, each of the first and second ends and the middle section being formed with an assembling hole, a bolt being passed through the assembling hole of the first end to connect the first end with the hand section of the driver, the assembling hole of the second end being pivotally connected with the pivoted end of the transmission unit, the assembling hole of the middle section being pivotally connected on a fixing board to serve as the movement fulcrum.

13. The transmission device applied to rotary shafts as claimed in claim 6, wherein the turning unit is an L-shaped plate body, each of the first and second ends and the middle section being formed with an assembling hole, the bolt being passed through the assembling hole of the first end to connect the first end with the hand section of the driver, the assembling hole of the second end being pivotally connected with the pivoted end of the transmission unit, the assembling hole of the middle section being pivotally connected on the fixing board to serve as the movement fulcrum.

14. The transmission device applied to rotary shafts as claimed in claim 7, wherein the turning unit is an L-shaped plate body, each of the first and second ends and the middle section being formed with an assembling hole, a bolt being passed through the assembling hole of the first end to connect the first end with the hand section of the driver, the assembling hole of the second end being pivotally connected with the pivoted end of the transmission unit, the assembling hole of the middle section being pivotally connected on a fixing board to serve as the movement fulcrum.

15. The transmission device applied to rotary shafts as claimed in claim 1, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

16. The transmission device applied to rotary shafts as claimed in claim 2, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

17. The transmission device applied to rotary shafts as claimed in claim 4, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

18. The transmission device applied to rotary shafts as claimed in claim 6, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

19. The transmission device applied to rotary shafts as claimed in claim 7, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

20. The transmission device applied to rotary shafts as claimed in claim 10, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

21. The transmission device applied to rotary shafts as claimed in claim 11, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

22. The transmission device applied to rotary shafts as claimed in claim 12, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

23. The transmission device applied to rotary shafts as claimed in claim 13, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

24. The transmission device applied to rotary shafts as claimed in claim 14, wherein the transmission unit is a board body, the pivoted end of the transmission unit being pivotally connected with the second end of the turning unit by means of a fixing member, the transmission section including a push end and at least one cantilever positioned on one side of the push end, a free end of the cantilever being formed with a finger section, the transmission unit further including a subsidiary cantilever, at least one of the cantilever and the subsidiary cantilever being elastically expandable, the cantilever and the subsidiary cantilever being symmetrical to or asymmetrical to each other, the cantilever, the subsidiary cantilever and the push end together defining a space, the push end being positioned at the middle of the transmission unit, the cantilever gradually obliquely extending toward an axial direction of the transmission unit, the cantilever having a length larger than a length of the push end, which protrudes from the transmission unit.

25. The transmission device applied to rotary shafts as claimed in claim 15, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

26. The transmission device applied to rotary shafts as claimed in claim 16, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

27. The transmission device applied to rotary shafts as claimed in claim 17, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

28. The transmission device applied to rotary shafts as claimed in claim 18, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

29. The transmission device applied to rotary shafts as claimed in claim 19, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

30. The transmission device applied to rotary shafts as claimed in claim 20, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

31. The transmission device applied to rotary shafts as claimed in claim 21, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

32. The transmission device applied to rotary shafts as claimed in claim 22, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

33. The transmission device applied to rotary shafts as claimed in claim 23, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

34. The transmission device applied to rotary shafts as claimed in claim 24, wherein the connection section is a board body having a first side and a second side, a pin member being disposed on the first side and inserted in the space of the transmission unit in contact with the push end, the cantilever and the subsidiary cantilever, a carrier body being connected with the second side of the connection section.

35. The transmission device applied to rotary shafts as claimed in claim 3, wherein a link unit is disposed between the first and second rotary shafts for synchronously rotating the first and second rotary shafts, the first and second rotary shafts being formed with spiral grooves in adjacency to the pivoted sections, corresponding to the spiral grooves, two ends of the link unit being provided with boss sections, which are respectively inlaid in the spiral grooves.