Cash Box Self-Locking Assembly for Transport Stability
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Solution Overview
Problem
Cash boxes used in cash recycling and handling devices often experience reduced operational reliability due to the supporting plate shaking or moving during transportation, leading to disordered banknote stacking and malfunctioning of the device.
Innovation Solution
A self-locking assembly is integrated into the cash box, featuring a movably connected stop plate that locks the supporting plate in place during transport and unlocks it for normal operation, utilizing a combination of recesses, inclined surfaces, and elastic elements to prevent shaking and ensure orderly stacking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cash box is designed for easy transport and operation, then the supporting plate can move freely for cash input/output, but the supporting plate shakes and moves during transportation causing banknotes to become disordered
Solution Approach 1:
The stop plate is designed to be movable rather than fixed, allowing it to switch between two states: extended to lock the supporting plate during transport, and retracted to allow free movement during operation. This dynamic adjustment resolves the contradiction between stability during transport and mobility during operation.
Solution Approach 2:
The self-locking assembly automatically locks the supporting plate position through the stop plate extending under the supporting plate during transport, and automatically unlocks when the cash box is placed on the base seat, eliminating the need for manual intervention and ensuring reliable stabilization.
2Productivity
If the supporting plate is allowed to move freely for normal operation, then cash input and output functions work properly, but the supporting plate shakes on impact or during vibration causing operational errors
Solution Approach 1:
The self-locking assembly is designed to automatically activate and lock the supporting plate position before transport begins, preventing the harmful effects of vibration and impact from causing the supporting plate to move or banknotes to become disordered during transportation.
3Reliability
If a locking mechanism is added to prevent supporting plate movement, then stability during transport is improved, but the device complexity increases
Solution Approach 1:
The locking function is extracted as a separate, independent self-locking assembly that can be added to the existing cash box structure without fundamentally redesigning the entire device. The stop plate and spring mechanism form a compact, modular unit that provides the required locking function with minimal added complexity.
Data Source
AI summary
Provided are a cash box and a cash recycling and handling device. The cash box comprises a box body, a supporting plate and a self-locking assembly, where the self-locking assembly includes a stop plate disposed between a side wall of the box body and the supporting plate, and the stop plate is movably connected to the box body and has a lifted position and a lowered position; in a case where the stop plate is in the lifted position, the stop plate is in fit with the supporting plate to lock a position of the supporting plate; and in a case where the stop plate is in the lowered position, the stop plate is separated from the supporting plate to unlock the position of the supporting plate. The cash recycling and handling device includes at least one above-mentioned cash box.