Brush Ring Axial Connection Stability
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Solution Overview
Problem
Existing brush rings lack improved mechanical properties and stability when connected to a shaft, and their assembly and disassembly processes are inefficient, with a lack of direct connection between adjacent rings leading to potential vibration and mechanical stress.
Innovation Solution
A brush ring design featuring a ring-like frame part with radially projecting bristles, inwardly projecting driver devices for rotational fixation, and symmetrical connecting means that allow direct axial connection between rings, providing increased mechanical stability and simplified assembly through bidirectional torque transmission and secure locking mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If brush rings are connected in axial contact without direct connection to one another, then assembly is simpler, but mechanical stability and vibration resistance deteriorate
Solution Approach 1:
The patent combines multiple functions into the frame part: it serves as both the structural carrier for bristles and as the connection element with integrating connecting means. This merging allows brush rings to be directly connected to each other and to the shaft through the frame part itself, improving mechanical stability while maintaining assembly simplicity.
Solution Approach 2:
The frame part is designed with universal connectivity - it can connect to the shaft via driver devices and to adjacent brush rings via connecting means. This multi-functionality allows a single component to fulfill multiple roles in the assembly, achieving both ease of manufacture and mechanical stability.
2Reliability
If frame part has clearly pronounced kinks for connecting means, then connection between brush rings is more secure, but mechanical strength deteriorates due to stress concentration
Solution Approach 1:
The patent replaces sharp kinks with curved transitions in the frame part geometry. The connecting means are formed with rounded contours that distribute stress more evenly, eliminating stress concentration points while maintaining secure connection between brush rings.
3Reliability
If driver device is added for rotational fixation, then connection to shaft is more secure, but device complexity increases
Solution Approach 1:
The driver device is integrated directly into the frame part as an inherent feature rather than being a separate component. This merging reduces device complexity while maintaining secure rotational fixation to the shaft, as the driver device forms part of the frame part's structure.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a brush ring having a ring-like frame part (12; 42; 52; 72), to which bristles protruding radially outwardly can be fastened and which can be slid axially onto a shaft in order to form a sweeping roller and which can be fastened on said shaft in a rotationally secured manner by means of at least one catch device (14) protruding radially inwardly, wherein the frame part (12; 42; 52; 72), viewed in the circumferential direction, has ring sections (16, 18) arranged at an offset from each other in the axial direction and connecting elements (20; 40; 50; 74) formed in the axial direction, said connecting elements being arranged symmetrically to each other with respect to a center point axis (26) extending through the catch device (14) and the ring center point.