一种可变节流嘴结构及一种飞行器
By using a three-section needle structure and a thin-film assembly for adaptive coaxiality adjustment, the problem of ensuring coaxiality between the needle and the throttle nozzle in existing technologies has been solved, resulting in higher processing accuracy and product stability, and reduced production costs.
CN117685264BActive Publication Date: 2026-07-17XIAN AERO ENGINE CONTROLS
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAN AERO ENGINE CONTROLS
- Filing Date
- 2023-11-23
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In existing variable throttle orifice structures, it is difficult to ensure the coaxiality of the adjusting pin and the throttle nozzle, resulting in high processing difficulty, high cost and poor product stability.
Method used
The three-section needle structure, combined with ball head connection and diaphragm assembly, enables adaptive coaxiality adjustment between the needle and the throttle nozzle through the cooperation of guide hole and diaphragm assembly, reducing the requirements for machining accuracy.
Benefits of technology
It significantly reduces processing difficulty, improves product stability and reliability, and reduces production costs.
✦ Generated by Eureka AI based on patent content.
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Figure CN117685264B_ABST
Abstract
本发明属于液压敏感元件技术领域，公开了一种可变节流嘴结构及一种飞行器，包括：壳体、薄膜组件、节流嘴、调整钉组件、节流针、调整钉座、下弹簧、上弹簧；所述壳体中空，上端面设有安装孔，所述调整钉组件固定在安装孔内；所述薄膜组件设置在壳体内，且通过薄膜与壳体内壁连接；薄膜组件中部设有同轴通孔，同轴通孔下端过盈连接节流嘴；节流针上端与调整钉组件连接，下端插入节流嘴中，通过调整钉组件调整节流针插入节流嘴的深度；下弹簧设置在壳体内侧底部与薄膜组件之间，上弹簧设置在薄膜组件与调整钉组件之间；所述节流针通过球形接头与调整钉组件连接。
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