Retractable Handle Assembly for IBC Valve Space Optimization
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Solution Overview
Problem
Existing IBC valve handles are not retractable, leading to space inefficiencies, potential damage, and increased risk of loss during assembly and use, as they must be removed for welding and do not have effective anti-misoperation mechanisms to prevent accidental operation.
Innovation Solution
A retractable handle assembly for IBC valves that can be rotated around a central axis, allowing for deployment and retraction, with integrated elastic projections and recesses for secure positioning, and an anti-misoperation mechanism to prevent accidental operation when retracted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the handle is made non-removable or fixed after installation, then the assembly process is simplified, but the valve occupies more space and the handle is susceptible to damage
Solution Approach 1:
The handle is designed to be retractable, allowing it to move between an extended position for operation and a retracted position for compact storage. This dynamic configuration enables the handle to be fixed after installation while maintaining a compact valve package volume, resolving the contradiction between ease of manufacture and space occupation.
2Adaptability or versatility
If the handle is made removable, then the assembly process is flexible, but the handle may be lost and the valve cannot be opened/closed
Solution Approach 1:
The handle is pre-installed on the valve stem during manufacturing, eliminating the risk of loss during use. The handle can be removed during assembly but is securely reattached before final installation, ensuring the valve remains operational while maintaining assembly flexibility.
3Ease of manufacture
If the handle is extended during welding, then the welding process is simpler, but the handle interferes with the welding electrode
Solution Approach 1:
The handle is designed to be retractable, allowing it to be positioned in a retracted state during welding to avoid interference with the welding electrode. After welding is complete, the handle can be extended to its operational position, resolving the contradiction between welding simplicity and handle positioning complexity.
4Volume of moving object
If the handle is made retractable, then the space occupation is reduced, but the anti-misoperation mechanism is needed to prevent accidental operation
Solution Approach 1:
The anti-misoperation mechanism is integrated into the retractable handle structure itself, combining the space-saving retractable feature with the safety function in a single unified design. This eliminates the need for separate anti-misoperation devices, resolving the contradiction between reduced space occupation and increased device complexity.
Data Source
AI summary
Retractable handle assembly used in a valve of an Intermediate bulk container (IBC) includes a valve body, a valve core, and a valve stem. The valve stem is used to drive the valve core to move so as to open/close the valve. The handle of the handle assembly is connected to the valve stem and can be rotated around the central rotating axis of the valve stem. When the valve needs to be opened/closed, the handle is rotated around the central rotating axis to a deployed state to open/close the valve. The handle is rotated around the central rotating axis to a retracted state so as to reduce the space occupied by the valve for the valve to be welded to the liner bag or installed to IBC. The handle can be switched between a deployed state and a retracted state.