Telescopic Hose Locking Pawl Structure for Secure Drawn Retention
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Solution Overview
Problem
Conventional hose receiving assemblies lack a locking mechanism, limiting their application scope.
Innovation Solution
A hose telescopic device with a locking structure featuring a locking seat equipped with elastic locking pawls and a locking piece for tightening or loosening, integrated with a shift lever for easy operation, and a ferrule for clamping the locking seat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional receiving assembly is used, then the hose can be drawn and recycled, but the hose cannot be locked after drawing
Solution Approach 1:
The locking pawls are nested within the locking seat, and the locking piece is sheathed over the locking seat. The elastic locking pawls are housed inside the locking seat structure, creating a compact nested arrangement that adds locking functionality without proportionally increasing overall device complexity
Solution Approach 2:
The locking pawls are designed with elasticity, allowing them to dynamically adjust and engage with the hose. The elastic nature enables the pawls to flex during engagement and maintain continuous contact pressure, providing reliable locking while using simpler elastic material properties rather than complex mechanical spring systems
2Reliability
If a locking structure is added to the receiving assembly, then the hose can be locked after drawing, but the device complexity increases
Solution Approach 1:
The elastic locking pawls automatically engage with the hose through their own elastic deformation when the locking piece is rotated into position. The elasticity of the pawls provides self-latching capability where the deformation itself creates the locking force, eliminating the need for additional actuators or complex engagement mechanisms
Solution Approach 2:
The locking mechanism utilizes changes in the elastic deformation parameter of the locking pawls to achieve locking. By rotating the locking piece, the position and deformation state of the pawls change, transitioning from a relaxed state to an engaged state where they firmly grip the hose, providing reliable locking through parameter transformation rather than complex mechanical intervention
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables convenient locking of the hose after drawing, expanding its application scope by ensuring secure retention.
Implementation Method 1
the locking seat being provided with several locking pawls having elasticity, the locking pawls being used for locking the hose
Data Source
AI summary
The present disclosure discloses a hose telescopic device with a locking structure, including: a hose, a receiving assembly and a locking structure, wherein one end of the hose is received in the receiving assembly, and the other end of the hose passes through the receiving assembly and the locking structure successively, and the locking structure includes a locking seat, the locking seat being provided with several locking pawls having elasticity, the locking pawls being used for locking the hose, and the locking seat being sheathed with a locking piece used for tightening or loosening the locking pawls. The locking seat is sheathed with a locking piece for tightening or loosening the locking pawls, and the locking pawls lock the hose, to provide a hose telescopic device with a locking structure, which is convenient for locking the hose after drawing, and expands the scope of application for drawing hose.