Hand-held vacuum cleaner with a handle for holding a rechargeable battery
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Solution Overview
Problem
Existing portable vacuum cleaners face issues with autonomy due to the need for multiple battery cells, which increases the length and bulk of the device, and the gripping handle is prone to breaking under stress.
Innovation Solution
A portable vacuum cleaner design where the rechargeable battery is housed partly in the gripping handle, optimizing internal volume and energy capacity while reducing the handle's length and enhancing robustness, with a dual-part handle configuration that distributes battery cells on either side of the connection interface for improved rigidity and ergonomics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If multiple battery cells are equipped to ensure satisfactory autonomy, then the energy capacity is improved, but the length of the gripping handle and the bulk of the handheld vacuum cleaner increase significantly
Solution Approach 1:
The patent implements nesting by placing the rechargeable battery inside the gripping handle structure. The battery is housed within the internal housing of the handle, with battery cells arranged to extend into both the insertion portion and gripping portion. This nested configuration allows the energy storage system to be integrated within the existing handle volume, maximizing energy capacity without proportionally increasing the external dimensions of the vacuum cleaner.
2Device complexity
If the cross-sectional dimensions of the male assembly part are kept relatively small, then the device complexity is reduced, but the assembly part becomes susceptible to breakage during use
Solution Approach 1:
The patent merges the battery housing function with the structural reinforcement function. The internal housing that contains the battery cells also serves as a reinforcing element for the connection interface between the first and second handle parts. By combining these functions into a single integrated structure, the design maintains simplicity while significantly improving the robustness of the connection interface, as the battery-filled housing acts as a rigid support that prevents breakage during use.
Data Source
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AI summary
A handheld vacuum cleaner (2) comprising a main body (4), a suction motor (14), a rechargeable battery (18), and a gripping handle (6) having a first part of the handle (22) which is integral with the main body (4), which delimits an internal housing (23) and which includes an access opening (28) leading into the internal housing (23), and a second part of the handle (24) having a gripping portion (25) configured to be grasped by a user and an insertion portion (27) removably mounted in the internal housing (23), the gripping portion (25) and the insertion portion (27) delimiting a battery compartment (21), the insertion portion (27) being configured to be removed from the internal housing (23) and to be inserted into the internal housing (23) via the access opening (28).