一种用于精密机械的自润滑金属衬套
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG HAOZHI AUTOMATION TECH CO LTD
- Filing Date
- 2025-10-24
- Publication Date
- 2026-07-17
AI Technical Summary
The current method of lubricating bushings in precision machinery is to manually add oil periodically, which is difficult to operate and prone to uneven oiling, leading to local lubrication failure.
A self-lubricating metal bushing is designed, comprising an oil storage structure and an extrusion structure. Through the cooperation of a thrust spring, a push rod, and a push plate, continuous and uniform lubricating oil extrusion is achieved. Combined with a multi-seal structure to prevent leakage, a stable supply of lubricating oil is ensured.
It achieves self-lubrication, reduces the frequency of manual oil replenishment, avoids component wear and lubricant waste caused by insufficient lubrication, extends the lubrication cycle, and reduces maintenance costs.
Smart Images
Figure CN224515686U_ABST
Abstract
Claims
1. A self-lubricating metal bushing for precision machinery, characterized by, include: Bushing assembly (1), the bushing assembly (1) is provided with a bushing (11), the bushing (11) is fixedly connected with an oil storage structure (2), the outer walls on both sides of the oil storage structure (2) are fitted with an extrusion structure (3), the extrusion structure (3) extrudes the oil storage structure (2) to squeeze out the lubricating oil stored inside the oil storage structure (2). The extrusion structure (3) includes a sleeve (31), a thrust spring (32) is fixedly connected inside the sleeve (31), a push rod (33) is fixedly connected to the outer wall of the end of the thrust spring (32) away from the inner wall of the sleeve (31), and a push plate (34) is fixedly connected to the outer wall of the end of the push rod (33) away from the sleeve (31).
2. A self-lubricating metal bushing for precision machinery according to claim 1, characterized in that: The inner wall of the sleeve (31) is slidably connected to the outer wall of the push rod (33). The oil storage structure (2) includes an oil storage ring (21). An oil outlet pipe (22) is connected through the inner wall below the oil storage ring (21). An oil injection pipe (23) is connected through the outer wall of the oil storage ring (21). A sealing plug (24) is slidably connected to the inner wall of the oil injection pipe (23).
3. A self-lubricating metal bushing for precision machinery according to claim 2, characterized in that: The outer wall of the sleeve (31) is fixedly connected to the inner wall of the bushing (11). The inner wall of the bushing (11) is provided with a sliding groove (15). The outer wall of the push plate (34) is slidably connected to the inner wall of the sliding groove (15). The outer wall of the oil storage ring (21) is in contact with the inner wall of the bushing (11). The outer wall of the sealing plug (24) is in contact with the inner wall of the bushing (11).
4. A self-lubricating metal bushing for precision machinery according to claim 1, characterized in that: The bushing assembly (1) includes an annular groove (13), which is formed on the inner wall of the bushing (11). The bushing (11) has horizontal grooves (14) that pass through both sides of the annular groove (13). The inner wall of the bushing (11) has an oil outlet hole (12). The inner wall of the oil storage structure (2) is in contact with the outer wall of the oil outlet pipe (22).