Rotary Wrench Display Bracket With Flexible Retention
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Solution Overview
Problem
Existing wrench display brackets are overly complex, adaptable to only a few wrench sizes, and do not allow for smooth rotational testing of wrenches, necessitating multiple bracket sizes and molds, and lack a mechanism for securely displaying and testing open-type wrenches.
Innovation Solution
A rotary wrench display bracket featuring a simple three-component structure comprising a hanging slab, a retaining frame with a U-shaped flexible plate, and a connecting mount, allowing wrenches of various sizes to be securely displayed and rotated smoothly, with flexible plates providing a stable and adjustable retention mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an arced groove and L-shaped blocks are used to engage the swing arm, then the wrench can be securely retained, but the structure becomes too complicated
Solution Approach 1:
The patent extracts the complex engagement mechanism (arced groove, L-shaped blocks, pivot nut, connecting unit, locking ring) and replaces it with a simple pivotal connection where the swing arm rotates directly on the bracket. This eliminates multiple components while maintaining the retention function through the gravitational and geometric constraints of the swing arm position.
Solution Approach 2:
The swing arm itself serves multiple functions: it provides the retaining structure, the pivotal connection point, and the rotation mechanism. The bracket does not need separate engagement features for each function, as the swing arm's geometry and pivotal mounting collectively achieve secure retention and smooth rotation.
2Reliability
If the receptacle is set according to the width of the handle of a wrench, then the wrench can be securely housed, but the bracket cannot accommodate wrenches of other sizes
Solution Approach 1:
The swing arm is designed to rotate dynamically about a pivotal point, allowing it to adapt to different wrench handle widths. The geometric constraints and gravitational force naturally adjust the swing arm's position to accommodate various wrench sizes, eliminating the need for multiple fixed-size receptacles while maintaining secure housing.
3Adaptability or versatility
If flexible plates are used to retain the wrench, then wrenches of different sizes can be displayed, but the wrenches cannot be swung smoothly for testing
Solution Approach 1:
The patent segments the retaining function from the rotation function. The swing arm's pivotal connection provides a clear, unobstructed rotation path for smooth testing, while the geometric constraints and gravitational force provide the retaining function. This separation allows both smooth rotation and size adaptability to coexist without interference.
Data Source
AI summary
A rotary wrench display bracket comprises a retaining frame composed of a swing arm and a U-shaped retaining plate. A pivotal portion is extended from the retaining frame, whereby the retaining frame will rotate about the pivotal portion through the swing arm. The retaining frame further includes an inner U-shaped flexible plate for retaining a wrench going into the retaining frame. Thereby, the wrench can be secured on the display bracket and can swing smoothly about a connecting mount it is confined.