Rotatable Nozzle Assembly for Non-Circular High-Pressure Cylinders
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Solution Overview
Problem
Existing nozzles for high-pressure cylinders with non-circular cross sections face issues with incorrect orientation and assembly of accessories, leading to improper sealing and difficulty in manufacturing.
Innovation Solution
A nozzle structure comprising a lower body, intermediate component, and upper ring nut element that allows for correct orientation and secure attachment of accessories on non-circular cylinders, ensuring effective sealing and easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional nozzle with a fixed screwing stroke is used on a non-circular cylinder, then the nozzle can be manufactured simply, but the accessory orientation becomes incorrect and unreliable
Solution Approach 1:
The nozzle is divided into three separate components: a lower body that attaches to the cylinder, an intermediate component that houses the accessory, and an upper ring nut element that secures the assembly. This segmentation allows each component to perform its specific function independently, enabling precise orientation control without complicating the overall manufacturing process.
Solution Approach 2:
The intermediate component is designed to be rotatable within the lower body during the assembly process, allowing the accessory to be oriented in the correct direction. Once positioned, the upper ring nut element locks the intermediate component in place, converting the dynamic rotational capability into a fixed, precisely oriented configuration.
2Reliability
If a fixed nozzle structure is used for non-circular cylinders, then the manufacturing cost is low, but the sealing reliability is compromised
Solution Approach 1:
The intermediate component is pre-equipped with sealing elements that engage with the lower body before the final tightening operation. This preliminary sealing action ensures fluid-tight closure is achieved during the assembly process, and the subsequent tightening with the upper ring nut element maintains this seal under high-pressure conditions.
Solution Approach 2:
The sealing surfaces are specifically designed with appropriate local properties - the intermediate component has sealing elements positioned at critical interfaces with the lower body. This localized sealing approach ensures reliable fluid containment at the nozzle-cylinder interface without requiring complex sealing mechanisms throughout the entire structure.
3Ease of operation
If a traditional one-piece nozzle is used, then the assembly process is simple, but the accessory orientation cannot be controlled on non-circular cylinders
Solution Approach 1:
The intermediate component is designed to be rotatable within the lower body during the assembly process, allowing the accessory to be oriented in the correct direction. Once positioned, the upper ring nut element locks the intermediate component in place, converting the dynamic rotational capability into a fixed, precisely oriented configuration.
Solution Approach 2:
The upper ring nut element serves as an intermediary component that mediates between the lower body and the intermediate component. It provides the locking mechanism that secures the intermediate component in the correctly oriented position, enabling precise accessory orientation while maintaining a relatively simple assembly process.
4Manufacturing precision
If the nozzle is designed with multiple components for precise orientation, then the accessory orientation is correct, but the assembly and disassembly process becomes more complex
Solution Approach 1:
The upper ring nut element serves as an intermediary component that mediates between the lower body and the intermediate component. It provides the locking mechanism that secures the intermediate component in the correctly oriented position, enabling precise accessory orientation while maintaining a relatively simple assembly process.
Solution Approach 2:
The upper ring nut element performs multiple functions: it secures the intermediate component in the correct orientation, provides the locking mechanism for precise positioning, and maintains the seal under high-pressure conditions. This multi-functionality reduces the need for additional specialized components, simplifying the overall assembly process.
Data Source
Figure 1~3
Figure 4a~5b
Figure 4c~4d
AI summary
Nozzle (10) for cylinders (1) containing a high-pressure fluid, comprising: a lower body (20) designed to be applied stably to the mouth (2) of the cylinder; an intermediate component (30), housed rotatably in a seat (21) of the lower body (20) and designed to accommodate an accessory (4), such as a fluid dispensing tap, a valve, or other; and an upper ring nut element (40) designed to engage with said lower body (20) to lock stably in position the intermediate component (30), with said accessory (4) oriented in the required direction with respect to the cylinder (1).