一种无油螺杆机排气端机械密封结构
By designing a sealing structure that includes a round pipe, flange, solenoid valve and servo motor, the problem of inconvenient maintenance at the exhaust end of the oilless screw compressor is solved, enabling convenient disassembly and maintenance, and enhancing the convenience and safety of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DALIAN ZHONGYI METAL PROD CO LTD
- Filing Date
- 2025-09-22
- Publication Date
- 2026-07-17
AI Technical Summary
The mechanical seal structure at the exhaust end of the existing oilless screw compressor is not easy to disassemble during maintenance, which makes maintenance difficult.
A sealing structure including a circular pipe, flange, ring, sealing structure, solenoid valve and servo motor is designed. The servo motor drives the disc and rubber plate to rotate, and the solenoid valve controls the oil pump to inject sealing oil to achieve sealing and counteract air pressure, which facilitates disassembly and maintenance.
It enables convenient disassembly and maintenance of the exhaust end of the oil-free screw compressor, improving the convenience and safety of operation.
Smart Images
Figure CN224515397U_ABST
Abstract
Claims
1. A mechanical seal structure for the exhaust end of an oil-free screw compressor, comprising a circular pipe (1), an end cap (12), and a flange (5), wherein the left end of the circular pipe (1) is fixedly connected to the flange (5), characterized in that: The inside of the round tube (1) is provided with a sealing structure (2), and the inner wall of the round tube (1) is fixedly connected with a ring (10). The upper end of the round tube (1) is fixedly connected to the exhaust pipe (3), and a solenoid valve is installed on the surface of the exhaust pipe (3). The lower end of the round tube (1) is fixedly connected to the oil pipe (4), and a solenoid valve is installed on the surface of the oil pipe (4).
2. The oil-free screw machine exhaust end mechanical seal structure of claim 1, wherein: The sealing structure (2) includes a disc (201) and a through-hole plate (202). The outer wall of the through-hole plate (202) is fixedly connected to the inner wall of the circular tube (1). The surface of the through-hole plate (202) is provided with multiple circular holes. One end of the through-hole plate (202) is attached to the rubber plate (203), and the right end of the rubber plate (203) is fixedly connected to the disc (201).
3. The oil-free screw machine exhaust end mechanical seal structure of claim 2, wherein: The right end of the disc (201) is fixedly connected to the rod (8), and the outer wall of the rod (8) is rotatably connected to the partition (6) through a sealed bearing.
4. The oil-free screw machine exhaust end mechanical seal structure of claim 3, wherein: The outer wall of the partition (6) is fixedly connected to the inner wall of the round tube (1), and the right end of the round rod (8) is fixedly connected to the output shaft of the servo motor (7).
5. The oil-free screw machine exhaust end mechanical seal structure of claim 1, wherein: The end cap (12) is inserted into the round tube (1). The end cap (12) is sealed to the round tube (1) through an elastic rubber pad. The end cap (12) is threaded to the round plate (9) through two bolts (11). The inner wall of the round plate (9) is fixedly connected to the round tube (1).
6. The mechanical seal structure at the exhaust end of the oilless screw compressor according to claim 5, characterized in that: The outer wall of the end cap (12) is threadedly connected to the servo motor (7) by multiple screws, and the output shaft of the servo motor (7) is rotatably connected to the end cap (12) through a sealed bearing.