Lamp device fixing mechanism and illumination device

• US 10,641,468 B2
• Filed: 10/29/2018
• Issued: 05/05/2020
• Est. Priority Date: 07/09/2018
• Status: Active Grant

• Current Assignee: Leotek Corporation
• Original Assignee: Lite-On Electronics Company Limited (Lite-On Technology Corporation)
• Inventors: Chung, Fu-Chin
• Primary Examiner(s): Santiago, Mariceli
• Application Number:
  US16/172,857
• Publication Number:
  US 20200011513A1
• Time in Patent Office: 554 Days
• CPC Class Codes: F16B 2/185 using levers
• CPC Class Codes: F21V 17/12 by screwing
• CPC Class Codes: F21V 17/20 by toggle-action levers
• CPC Class Codes: F21V 19/04 with provision for changing light source, e.g. turret auxiliary devices for cleaning, placing, or removing incandescent lamps H01K3/32, fluorescent lamps H01J9/006
• CPC Class Codes: F21V 21/116 Fixing lighting devices to arms or standards F21V21/002 takes precedence
• CPC Class Codes: F21V 21/26 Pivoted arms
• CPC Class Codes: F21V 21/36 Hoisting or lowering devices, e.g. for maintenance
• CPC Class Codes: F21W 2131/103 of streets or roads

Abstract

A lamp device fixing mechanism adapted to be fixed to a lamp rod is provided. The lamp device fixing mechanism includes a casing, a rotating handle, and a fixing member. The casing is adapted to be partially inserted into the lamp rod. The rotating handle is pivoted to the casing. The fixing member is movably disposed at the casing and moved with the rotating handle. The fixing member moves from a first position to a second position along with rotation of the rotating handle to be fixed to the lamp rod. An illumination device is further provided.

Claims

1. A lamp device fixing mechanism, adapted to be fixed to a lamp rod, the lamp device fixing mechanism comprising:

a casing, adapted to be partially inserted into the lamp rod;

a rotating handle, pivoted to the casing; and

a fixing member, movably disposed at the casing and moved with the rotating handle, wherein the fixing member moves from a first position to a second position along with rotation of the rotating handle so that the fixing member is adapted to be fixed to the lamp rod.

2. The lamp device fixing mechanism as claimed in claim 1, further comprising:

a pushing rod, movably disposed in the casing along a first axis and disposed between the rotating handle and the fixing member, the rotating handle rotating to push the pushing rod to move along the first axis, the pushing rod pushing the fixing member to move along a second axis, the fixing member protruding from the casing.

3. The lamp device fixing mechanism as claimed in claim 2, wherein the pushing rod comprises a first end portion, the first end portion is shaped as a cone, the fixing member comprises an inclined surface corresponding to the first end portion, and the inclined surface of the fixing member is propped against the first end portion of the pushing rod.

4. The lamp device fixing mechanism as claimed in claim 3, wherein the casing has an opening, the fixing member is located in the casing, a portion of the fixing member is adapted to protrude from the opening, the fixing member comprises a stopping protrusion, and a width of the stopping protrusion is greater than a width of the opening so that the fixing member is restrained from leaving the casing through the opening.

5. The lamp device fixing mechanism as claimed in claim 3, wherein the first end portion of the pushing rod has a first slope or a second slope, the first slope is greater than the second slope, the lamp rod is adapted to comprise a first internal diameter or a second internal diameter, the first internal diameter is greater than the second internal diameter, the pushing rod is adapted to enable the fixing member to be fixed to the lamp rod having the first internal diameter when the first end portion of the pushing rod has the first slope, and the pushing rod is adapted to enable the fixing member to be fixed to the lamp rod having the second internal diameter when the first end portion of the pushing rod has the second slope.

6. The lamp device fixing mechanism as claimed in claim 2, wherein the rotating handle comprises a handle exposed outside the casing and a cam located in the casing, the pushing rod comprises a second end portion, and the cam abuts against the second end portion.

7. The lamp device fixing mechanism as claimed in claim 1, wherein the fixing member comprises a first end and a second end opposite to each other and a pivoting portion located between the first end and the second end, the pivoting portion of the fixing member is pivoted to the casing, the rotating handle comprises a cam located in the casing, the cam abuts against the first end, the rotating handle drives the fixing member to rotate, and the second end of the fixing member correspondingly protrudes and extends from the casing.

8. The lamp device fixing mechanism as claimed in claim 1, further comprising:

a linking rod, pivoted to the rotating handle and the fixing member, the casing comprising an opening for the fixing member to extend, a wall surface of the casing surrounding the opening being shaped as an inclined surface or an arc surface, the rotating handle rotating so that the linking rod drives the fixing member, the fixing member protruding from the casing along the wall surface of the casing.

9. The lamp device fixing mechanism as claimed in claim 1, wherein the fixing member comprises a pressing surface configured to be in contact with an internal wall surface of the lamp rod, and the pressing surface comprises a rough surface or a plurality of nicks.

10. The lamp device fixing mechanism as claimed in claim 1, wherein the fixing member comprises an engaging block or a hook, and the lamp rod is adapted to comprise an engaging hole corresponding to the fixing member.

11. The lamp device fixing mechanism as claimed in claim 1, wherein the casing comprises a first stopping surface, and the rotating handle abuts against the first stopping surface when the fixing member is located at the first position.

12. The lamp device fixing mechanism as claimed in claim 11, wherein the casing comprises a second stopping surface, and a handle portion of the rotating handle is located next to the second stopping surface when the fixing member is located at the second position.

13. The lamp device fixing mechanism as claimed in claim 12, wherein the casing comprises a first segment portion, a second segment portion, and a breach located at a junction of the first segment portion and the second segment portion, the breach is formed by a plurality of inner side walls and configured to make room for the rotating handle to move, and the first stopping surface and the second stopping surface are respectively located at two opposite inner side walls of the inner side walls forming the breach.

14. The lamp device fixing mechanism as claimed in claim 1, wherein the fixing member is retracted into the casing when the fixing member is located at the first position, and the fixing member protrudes from the casing when the fixing member is located at the second position.

15. The lamp device fixing mechanism as claimed in claim 1, wherein the casing comprises a first segment portion, a second segment portion, and an abutting portion located between the first segment portion and the second segment portion, and the abutting portion of the casing is adapted to abut against a nozzle edge of the lamp rod when the first segment portion of the lamp device fixing mechanism is inserted into the lamp rod.

16. An illumination device, comprising:

a lamp device;

a lamp device fixing mechanism as claimed in claim 1, wherein the lamp device is fixed to the casing of the lamp device fixing mechanism; and

a lamp rod, a portion of the casing of the lamp device fixing mechanism being partially inserted into the lamp rod, a fixing member of the lamp device fixing mechanism being fixed to the lamp rod when moving to a second position so as to fix the lamp device to the lamp rod.

17. The illumination device as claimed in claim 16, wherein the lamp rod has an engaging hole, and the fixing member extends into the engaging hole of the lamp rod when the fixing member is located at the second position.