Lighting lamp with explandable and contractable damper

Patent metadata

Field	Value
Publication number	US-11940134-B2
Application number	US-202217836975-A
Country	US
Kind code	B2
Filing date	Jun 9, 2022
Priority date	Dec 10, 2019
Publication date	Mar 26, 2024
Grant date	Mar 26, 2024

Abstract

The present disclosure provides a lighting lamp, which includes a lamp cap and a connecting rod assembly, the connecting rod assembly includes a first connecting rod, a second connecting rod and a damper; a first end of the second connecting rod is rotatably connected with a first end of the first connecting rod; a first end of the damper is connected with the first connecting rod, a second end of the damper is connected with the second connecting rod, and the lamp cap is connected with the first connecting rod.

First claim

What is claimed is:

1. A lighting lamp, comprising:
a lamp cap; and
a connecting rod assembly,
wherein the connecting rod assembly comprises a first connecting rod, a second connecting rod and a damper; the direction of the axis of the second connecting rod is different from the direction of the axis of the first connecting rod; a first end of the second connecting rod is rotatably connected with a first end of the first connecting rod; the damper comprises a fixed end and a movable end, the movable end is slidably connected with the fixed end, and damping force is provided between the movable end and the fixed end; the fixed end is connected with one of the first connecting rod and the second connecting rod, and the movable end is connected with the other one of the first connecting rod and the second connecting rod; the damper is configured to expand and contract in a direction parallel to one of the first connecting rod and the second connecting rod, and different from the direction of the axis of the other one of the first connecting rod and the second connecting rod; the lamp cap is connected with the first connecting rod.

2. The lighting lamp according to claim 1 , wherein one of the first connecting rod and the second connecting rod is provided with a first arc-shaped groove, and the first arc-shaped groove is arranged around a rotation axis of the first connecting rod, and the movable end is configured to slide along the first arc-shaped groove.

3. The lighting lamp according to claim 2 , wherein the other one of the first connecting rod and the second connecting rod is provided with a first block, the first block is clamped to the first arc-shaped groove, and the first block is configured to slide along the first arc-shaped groove, the movable end is connected with the first block, and the fixed end is connected with the other one of the first link and the second link that is not provided with the first block.

4. The lighting lamp according to claim 3 , wherein the first arc-shaped groove is disposed in the first connecting rod, the first connecting rod is provided with a first installation groove communicating with the first arc-shaped groove, and the damper is located in the first installation groove.

5. The lighting lamp according to claim 4 , wherein a length of the first installation groove is equal to a length of the damper upon extending to the longest.

6. The lighting lamp according to claim 2 , wherein the connecting rod assembly further comprises a third connecting rod, a first end of the third connecting rod is rotatably connected with a second end of the second connecting rod, the connecting rod assembly comprises at least two dampers, and the damper is connected between the third connecting rod and the second connecting rod.

7. The lighting lamp according to claim 6 , wherein one of the second connecting rod and the third connecting rod is provided with a second arc-shaped groove, and the second arc-shaped groove is arranged around a rotation axis of the second connecting rod; the other one of the second connecting rod and the third connecting rod is provided with a second block, the second block is clamped to the second arc-shaped groove, and the second block is configured to slide along the second arc-shaped groove, the movable end is connected with the second block, and the fixed end is connected with the other one of the second link and the third link that is not provided with the second block.

8. The lighting lamp according to claim 7 , wherein a central angle corresponding to the first arc-shaped groove is less than 90 degrees, a central angle corresponding to the second arc-shaped groove is less than 90 degrees, and the first connecting rod and the third connecting rod are respectively located on opposite sides of the second connecting rod.

9. The lighting lamp according to claim 6 , wherein the connecting rod assembly comprises at least two second connecting rods, adjacent ones of the at least two second connecting rods are rotatably connected, and the damper is connected between the adjacent ones of the at least two second connecting rods.

10. The lighting lamp according to claim 6 , wherein the connecting rod assembly is provided with a wire hole, the wire hole sequentially passes through the third connecting rod, the second connecting rod and the first connecting rod.

11. The lighting lamp according to claim 1 , further comprising a connecting base, the connecting base is rotatably connected with a second end of the second connecting rod, and a rotation axis of the connecting base is collinear with an axis of the second connecting rod.

12. The lighting lamp according to claim 1 , wherein the lamp cap comprises:
a connecting portion, which is rotatably connected with a second end of the first connecting rod, and a rotation axis of the connecting portion is parallel to a rotation axis of the first connecting rod; and
a light source, which is installed on the connecting portion.

Assignees

• Suzhou opple lighting co ltd
• Opple Lighting Co Ltd

Inventors

• Sui Zhonghua
• Wang Yueping
• Feng Yuejun

Classifications

• F21V21/26 Primary

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