Reinforced Resin Bracket Structure for Anti-Vibration Loads
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Solution Overview
Problem
Existing brackets for anti-vibration applications lack an effective reinforcing mechanism, which limits their structural integrity and durability under varying loads.
Innovation Solution
The proposed bracket design incorporates a reinforcement portion with both outer and inner peripheral side reinforcements, featuring a rib structure and tapered portions to enhance durability and resist bending forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a reinforcement member made from glass fiber fabric bonded to synthetic resin material is used, then the reinforcing effect on the bracket is improved, but the structural complexity and manufacturing difficulty increase
Solution Approach 1:
The reinforcement portion is divided into multiple functional segments: a base reinforcement member made from glass fiber fabric bonded to synthetic resin, plus additional structural elements including a rib extending from the opening side and tapered portions at the outer periphery. This segmentation allows each component to serve its specific reinforcing function while maintaining manufacturability through integrated molding processes.
Solution Approach 2:
The bracket employs composite material construction with a reinforcement member consisting of glass fiber fabric bonded to synthetic resin material. This composite structure provides enhanced strength and stiffness while maintaining a reasonable weight, resolving the contradiction between improving reinforcing effect and managing structural complexity.
2Strength
If reinforcement ribs are added on the outer periphery of the bracket, then the reinforcing effect is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The reinforcement ribs, tapered portions, and base reinforcement member are merged into a single integrated reinforcement portion that can be manufactured as one piece using injection molding or similar processes. This merging reduces the number of separate components and assembly steps, thereby lowering manufacturing precision requirements while maintaining the reinforcing effect.
Solution Approach 2:
The tapered portions at the outer periphery of the reinforcement member gradually change the thickness parameter from the base toward the edge, creating a smooth transition that reduces stress concentration. This parameter change allows for more tolerant manufacturing tolerances while maintaining structural integrity and reinforcing effect.
3Reliability
If multiple plate portions are added to the column portions, then the durability against bending forces is improved, but the device complexity increases
Solution Approach 1:
Plate portions are added to the column portions extending in the direction perpendicular to the main bracket plane, creating a three-dimensional reinforcement structure. This dimensional addition provides enhanced resistance to bending forces from multiple directions while the plates are integrated into the existing column structure, minimizing the increase in device complexity.
Data Source
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AI summary
A bracket with an excellent reinforcing effect is provided. A bracket (1) with an opening (A) includes a body (10) and a reinforcement portion (20). The body (10) is made of resin. The body (10) includes a pair of column portions (11) and a pair of connecting portions (12, 13). The body (10) includes a plate portion (15) on at least one of the column portions (11). The plate portion (15) is provided with ribs (16 to 18) that extend from the side of the opening (A) to the bracket outer peripheral side and protrude in the opening penetration direction. The reinforcement portion (20) includes a reinforcement portion (21). The reinforcement portion (21) forms an outer peripheral face (f1) of the bracket (1). The reinforcement portion (21) is arranged so as to overlap the ribs (16 to 18) when viewed in the opening penetration direction.