Handheld Vacuum Cleaner Modular Assembly with Integrated Cable Support
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Solution Overview
Problem
The complex structure of existing handheld vacuum cleaner assemblies increases manufacturing costs and reduces reliability.
Innovation Solution
A modular assembly design where the technical unit integrates all electrical functions, with the handle serving as a mechanical interface, simplifying assembly and ensuring secure cable retention and proper positioning during assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the technical unit and handle unit are designed as separate modular sub-assemblies with independent electrical systems, then the vacuum cleaner can be manufactured more efficiently through independent production, but the overall structure becomes complex and reliability decreases
Solution Approach 1:
The invention extracts the electrical connection functions from the handle unit and relocates them to the technical unit. The cable support piece with power connector is integrated into the technical unit, separating electrical functions from the mechanical handle structure. This allows the handle to be designed purely as a mechanical interface, simplifying its structure while maintaining modular manufacturing benefits.
Solution Approach 2:
The invention merges the cable support piece, power connector, and electrical cables into the technical unit assembly. By combining these electrical components with the motor assembly in a single integrated unit, the patent reduces the number of separate electrical connections needed between modules, thereby simplifying the overall assembly structure while preserving independent manufacturing capabilities.
2Reliability
If multiple electrical cables and connectors are distributed between the technical unit and handle unit, then electrical connectivity can be established, but the structure becomes more complex and manufacturing cost increases
Solution Approach 1:
The invention combines all electrical connection elements (cable support piece, power connector, and electrical cables) into the technical unit. This consolidation reduces the number of separate electrical interfaces between modules, simplifying the electrical assembly structure while improving reliability by reducing potential connection failure points.
3Ease of operation
If the cable support piece is integrated into the handle unit, then cable management is simplified, but the handle structure becomes more complex and manufacturing cost increases
Solution Approach 1:
The invention extracts the cable support piece from the handle unit and relocates it to the technical unit. This separation allows the handle to maintain its simple mechanical interface design while the cable support functions are fulfilled by the integrated technical unit assembly, avoiding complexity in the handle structure.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
This technical block (6) for a handheld vacuum cleaner comprises a main body (14) housing a motor assembly (16), a cable support piece (20), a power connector (22), and a set of initial electrical cables extending from the motor assembly (16) to the power connector (22) via the cable support piece (20). The technical block (6) is configured, during the assembly of the handheld vacuum cleaner (2), to be attached to a handle block (8) comprising a handle (38) and a housing (40) for receiving the main body (14). According to the invention, the cable support piece (20) is designed, during the assembly phase, to be attached inside the handle (38).