一种塑料减震垫

By using a progressive interlocking structure design of a hard rubber skeleton and soft rubber rings, the problems of complex design, high cost and detachment of existing shock-absorbing pads are solved, achieving a more efficient shock absorption effect and a longer service life.

CN224515759UActive Publication Date: 2026-07-17YANGZHOU HUAGUANG NEW MATERIAL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU HUAGUANG NEW MATERIAL CO LTD
Filing Date
2025-08-06
Publication Date
2026-07-17

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Abstract

一种塑料减震垫，涉及汽车零部件技术领域。包括硬胶骨架和软胶环；硬胶骨架包括依次连接的限位环和骨架连接部；软胶环固定设置在硬胶骨架上，环内侧壁设有若干与嵌入槽适配的限位台。楔形嵌入槽与限位台的深度设计，形成渐进式咬合结构，静态扭矩满足20N·m动态扭矩满足10N·m，同等条件下，减震效果提升30%，动态载荷下无脱层风险。软胶环与硬胶骨架之间通过双色模具一体注塑成型，一射注塑硬胶骨架部分，再通过二射成型软胶包覆。与现有技术产品相比，生产周期、成本和重量均得到较大改善。
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Claims

1. A plastic shock pad, characterized in that, include: The rigid plastic skeleton (100) includes a limiting ring (110) and a skeleton connecting part (120) connected in sequence; the skeleton connecting part (120) is provided with a plurality of embedding grooves (121); the depth of the embedding grooves (121) increases from the limiting ring (110) to the tail. A soft rubber ring (200) is fixedly mounted on the hard rubber skeleton (100), and the inner sidewall of the ring is provided with several limiting platforms (210) that are adapted to the embedding groove (121).

2. A plastic shock pad as defined in claim 1, wherein The diameter of the limiting ring (110) is larger than the diameter of the skeleton connecting part (120).

3. A plastic shock pad according to claim 1 or 2, characterized in that The limiting ring (110) is annular.

4. A plastic cushioning pad according to claim 1, wherein The embedding groove (121) has a wedge-shaped structure.

5. A plastic shock pad according to claim 1 or 4, characterized in that The width of the embedding groove (121) decreases sequentially from the tail end toward the limiting ring (110).

6. A plastic cushioning pad according to claim 1, wherein The connection between the limiting ring (110) and the skeleton connecting part (120) is at an arc angle.

7. A plastic cushioning pad according to claim 1, wherein The end of the soft rubber ring (200) is provided with a recessed groove that is adapted to the limiting ring (110).

8. A plastic cushioning pad according to claim 1, wherein The outer surface of the soft rubber ring (200) is provided with a workpiece mounting groove (220).

9. A plastic cushioning pad according to claim 1, wherein The rigid plastic skeleton (100) is a POM material skeleton, a PA66 material skeleton, a PPA material skeleton, or a PPS material skeleton.

10. A plastic cushioning pad according to claim 1, wherein The soft rubber ring (200) is a TPV material rubber ring, a TPU material rubber ring, or a TPE material rubber ring.