Mixing vessel for an electric motor-operated food processor
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Solution Overview
Problem
Existing mixing vessels for electric motor-operated food processors often allow users to inadvertently insert the vessel without properly securing the agitator, leading to potential spills and damage.
Innovation Solution
Incorporating a blocking element that can be shifted by a spring force, preventing the mixing vessel from being inserted unless the agitator is securely fixed, which ensures the foot part is non-rotationally joined with the vessel floor, thus preventing incorrect assembly and potential damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the mixing vessel is designed without a blocking element, then the ease of operation is improved (用户可以自由插入混合容器), but the reliability deteriorates (可能导致未固定搅拌器就插入，造成泄漏和损坏)
Solution Approach 1:
在混合容器上预先设置阻挡元件，在用户尝试插入底座之前就阻止不正确的组装。当搅拌器未正确固定在 vessel floor 上时，阻挡元件处于阻挡位置，物理上阻止混合容器插入底座，从而预先防止了可能的泄漏和损坏问题
2Reliability
If a blocking element with spring force is added to prevent incorrect assembly, then the reliability is improved (防止未固定搅拌器就插入), but the device complexity increases (增加了阻挡元件、弹簧元件和接触元件)
Solution Approach 1:
阻挡元件在弹簧元件的作用下自动保持在阻挡位置，当搅拌器正确固定时，foot part 的接触元件自动推动阻挡元件移至释放位置。整个过程中，系统自动完成阻挡和释放功能，无需额外的控制系统或复杂机构
Solution Approach 2:
弹簧元件作为阻挡元件和接触元件之间的中介，通过弹性力实现阻挡元件的位置转换。弹簧元件将接触元件的机械作用转化为阻挡元件的位置变化，简化了力传递机构
3Reliability
If the blocking element is positioned to prevent insertion, then the reliability is improved (防止错误组装), but the ease of operation deteriorates (用户需要正确固定搅拌器才能插入)
Solution Approach 1:
在允许插入之前，系统预先要求用户完成搅拌器的正确固定。只有当搅拌器正确固定到vessel floor上时，foot part才会移动阻挡元件到释放位置，从而预先确保插入前的正确组装状态
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
Prevents the mixing vessel from being incorrectly inserted into the food processor, ensuring the agitator is securely fastened, thereby preventing spills and damage, and providing a clear indication of proper mounting to the user.
Implementation Method 1
a blocking element (6) that can be exposed to the spring force of a spring element (36)
Data Source
AI summary
A mixing vessel for an electric motor-operated food processor, with a vessel floor, an agitator extending through the vessel floor into the mixing vessel, and a foot part that can be externally connected with the vessel floor, which is designed for fixing the agitator to the vessel floor. In order to prevent a user from filling the mixing vessel without the agitator properly assembled in the food processor, it is proposed that the vessel floor or foot part have a blocking element that can be exposed to the spring force of a spring element, and can be shifted against the spring force by means of a corresponding contact element of the foot part or vessel floor from a blocking position that prevents a fixation of the agitator into a release position that enables a fixation.