A desk plate integrated shaft damping mechanism
By designing an integrated shaft damping mechanism for the tabletop, and using friction and interference fit, the problem of the complex flipping structure of the automotive small tabletop was solved, achieving stable flipping function and improved safety, while reducing production costs and assembly difficulty.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HAISIKE TECH (SHENZHEN) CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-07-17
AI Technical Summary
The existing flip-up structure of automotive tray tables is complex, resulting in high assembly difficulty, high cost, and easy damage, which affects the stability and safety of use.
Design a tabletop integrated shaft damping mechanism, including a first tabletop long arm, a second tabletop long arm, a snap ring, a torsion unit housing cover, a torsion unit housing, a shaft, and a damping spring. It achieves a stable flipping function through friction and interference fit, has damping characteristics, and can be suspended at any angle.
It achieves reliable and stable clockwise and counterclockwise rotation, prevents accidental rotation, improves safety and ease of use, reduces production costs and assembly difficulty, and extends service life.
Smart Images

Figure CN224515653U_ABST
Abstract
Claims
1. A table board integrated shaft damping mechanism, comprising a first table board long arm (100), a second table board long arm (200), a clasp spring (300), a torsion unit shell cover (400), a torsion unit shell (500), a shaft (600) and a damping spring (700), characterized in that: The shaft (600) comprises a first shaft end face (600-1), a second shaft end face (600-2), a snap ring mounting position (600-3), and a shaft friction part (600-4). The second shaft end face (600-2) and the snap ring mounting position (600-3) are respectively disposed at both ends of the shaft friction part (600-4). The first shaft end face (600-1) is disposed on one side of the snap ring mounting position (600-3). A snap ring (300) is installed at position 00-3. The inner circle (500-1) of the torque unit housing (500) is provided inside the housing. The torque unit housing (500) is sleeved on the shaft friction part (600-4) through the inner circle (500-1). A damping spring (700) is sleeved on the shaft friction part (600-4). The damping spring (700) is located inside the torque unit housing (500).
2. The table board integrated shaft damping mechanism according to claim 1, characterized in that: One end of the first tabletop arm (100) is connected to the car tabletop, and the other end of the first tabletop arm (100) is provided with a square pressure groove (100-1). The second tabletop arm (200) is provided with a first long arm inner circle (200-1) and a second long arm inner circle (200-2) near the first tabletop arm (100). The shaft (600) connects the first tabletop arm (100) and the second tabletop arm (200) through the first long arm inner circle (200-1), the second long arm inner circle (200-2) and the square pressure groove (100-1).
3. The table board integrated shaft damping mechanism according to claim 1, characterized in that: The torque unit housing cover (400) has an inner circle (400-1) at its center. The torque unit housing cover (400) is sleeved on the shaft (600) through the inner circle (400-1), and the torque unit housing cover (400) is located on one side of the torque unit housing (500).
4. The table board integrated shaft damping mechanism according to claim 1, characterized in that: The damping spring (700) is composed of an upper protrusion (700-4), a lower protrusion (700-1), a support (700-6), and a positioning hole (700-7). The damping spring (700) is mounted on the shaft friction part (600-4) through the positioning hole (700-7).
5. The table board integrated shaft damping mechanism according to claim 4, characterized in that: The lower protrusion (700-1) serves as a fixed end and engages with the torque unit housing (500) via a positioning hole (700-7).
6. The integrated tabletop shaft damping mechanism according to claim 4, characterized in that: A notch (700-2) is provided on one side of the support (700-6).
7. The integrated tabletop shaft damping mechanism according to claim 4, characterized in that: The inner side of the positioning hole (700-7) is provided with a first oil groove (700-3) and a second oil groove (700-5) in an annular interval.