Handheld Vacuum Housing Bracket for Force Path Separation
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Solution Overview
Problem
Handheld vacuum cleaners experience separation of housing sections under force application, as strain is transmitted through the connection between the upper and lower housing sections, leading to inefficient force transmission and potential separation.
Innovation Solution
A mounting bracket, or motor mounting chamber, surrounds the suction motor and is connected to the upper housing section via releasable screws, bypassing the lower housing section and allowing direct force transmission through the bracket and connecting elements, with optional form locking for enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If forces are transmitted through the connection between upper and lower housing sections, then the lower housing section can be simplified, but separation of housing sections occurs under force application
Solution Approach 1:
The force transmission function is segmented from the lower housing section and assigned to a dedicated mounting bracket. The mounting bracket is connected to the upper housing section via connecting elements, creating a separate force transmission path that does not involve the lower housing section, thereby preventing separation while maintaining structural simplicity.
Solution Approach 2:
The mounting bracket acts as an intermediary component between the suction tool and the upper housing section. It provides a dedicated interface for force transmission, mediating the mechanical loads without requiring the lower housing section to participate in force transmission, thus eliminating the separation problem.
2Productivity
If the lower housing section transmits forces, then fewer components are needed, but force transmission efficiency decreases and separation occurs
Solution Approach 1:
The force transmission function is segmented from the lower housing section and assigned to a dedicated mounting bracket. This segmentation creates a specialized force transmission path through the mounting bracket and connecting elements to the upper housing section, improving efficiency while preventing lower housing section separation.
Solution Approach 2:
The force transmission function is extracted from the lower housing section and embodied in the mounting bracket. By taking out this specific function from the lower housing section, the patent achieves efficient force transmission through dedicated components while relieving the lower housing section from transmitting forces, thus preventing separation.
Data Source
AI summary
A housing for a hand held vacuum cleaner is so constructed that a suction motor mounting bracket which is enclosed by a lower housing section, is removably secured to an upper housing section. A suction coupling pipe section is either an integral part of or directly secured to the suction motor mounting bracket, so that forces introduced to a suction tool attached to the suction coupling pipe section are transmitted through the mounting bracket to the upper housing section thereby at least partly relieving the lower housing section from forces passing from the suction tool to the handle and vice versa.