一种高压油封结构
By innovating the design of the fixed groove-notch structure, the beveled sealing fit, and the L-shaped reinforcing rib, the problem of sealing failure of traditional oil seals in high-pressure circulating ball steering gears has been solved, achieving efficient sealing and long-life sealing effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGMEN XINHUI SEALING TECH
- Filing Date
- 2025-07-30
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional oil seal structures are prone to deformation, leakage, and wear in high-pressure recirculating ball steering gears, leading to seal failure and making them unsuitable for harsh working conditions such as high pressure, high temperature, and high-frequency motion.
The design incorporates a fixed groove-notch structure, a specific angled bevel sealing fit, and an L-shaped reinforcing rib to enhance the ease of installation and stability of the seal, achieving self-adaptability and wear compensation capabilities.
It improves sealing performance and structural stability, making it suitable for harsh working conditions such as high pressure, high temperature and high frequency motion, and extending service life.
Smart Images
Figure CN224515935U_ABST
Abstract
Claims
1. A high pressure oil seal structure characterized by comprising: include: An oil seal ring, wherein a sealing element is provided inside the oil seal ring, and the oil seal ring wraps around the sealing element; A fixing element is disposed inside the oil seal ring, and the fixing element fixes the oil seal ring; An abutment ring is disposed on the oil seal ring, the outer periphery of the abutment ring abuts against the oil seal ring, and the inner ring of the abutment ring is disposed corresponding to the inner ring of the oil seal ring.
2. The high pressure oil seal structure according to claim 1, wherein The oil seal ring has a fixing groove corresponding to the position of the sealing element, and the sealing element is located in the fixing groove.
3. The high pressure oil seal structure according to claim 2, wherein The sealing element includes an elastic element, which is arranged in a ring shape inside the oil seal ring, and the outer periphery of the elastic element abuts against the inner wall of the fixing groove.
4. The high pressure oil seal structure according to claim 3, wherein The oil seal ring has a notch at the position corresponding to the fixing groove. The notch is annular and communicates with the fixing groove. The elastic element enters the fixing groove through the notch.
5. The high pressure oil seal structure according to claim 4, wherein The elastic element includes a spring.
6. The high pressure oil seal structure according to claim 2, wherein An abutment groove is provided inside the oil seal ring at the position corresponding to the abutment ring. The abutment groove is arranged in a ring on the oil seal ring, and the abutment ring is positioned corresponding to the abutment groove.
7. The high pressure oil seal structure according to claim 6, wherein The abutment groove is located on the inner side of the oil seal ring. The abutment groove has a first inclined surface, which connects to the inner ring of the oil seal ring. A second inclined surface is formed on the abutment ring corresponding to the first inclined surface, and the first inclined surface abuts against the second inclined surface.
8. The high pressure oil seal structure according to claim 7, wherein The angle α between the first inclined surface and the axis of the oil seal ring is 15°–45°, and the angle β between the second inclined surface and the axis of the abutment ring satisfies β=α±5°.
9. The high pressure oil seal structure of claim 1, wherein The fastener is configured as a reinforcing rib, which fills the oil seal ring. Multiple reinforcing ribs are provided and arranged in a ring shape within the oil seal ring.
10. The high pressure oil seal structure according to claim 9, wherein The reinforcing rib has an L-shaped cross-section, with one side of the reinforcing rib positioned on the outer periphery of the oil seal ring and the other side extending into the inner ring of the oil seal ring.