Bracket Locking Hole for Anti-Vibration Apparatus
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Solution Overview
Problem
Conventional anti-vibration apparatus with a bracket face challenges in ensuring reliable locking of the anti-vibration apparatus body to the bracket, as the snap fit structure is difficult to confirm and may compromise the strength of the fitting groove, and the manufacturing process is complex due to the perpendicular orientation of the snap fit protrusion.
Innovation Solution
The anti-vibration apparatus incorporates a locking hole on the deep wall part of the bracket, which allows for easy confirmation of the locking mechanism and maintains the strength of the fitting groove, with a locking part inserted into the hole to prevent detachment, and a recess on the bracket to accommodate the locking part, simplifying the manufacturing process and preventing accidental disengagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a snap fit protrusion is disposed in the fitting groove to prevent detachment, then the anti-vibration apparatus body is locked to the bracket, but it is difficult to confirm whether the second mounting member has reliably ridden over the snap fit protrusion
Solution Approach 1:
A locking part is introduced as an intermediary element between the second mounting member and the bracket. The locking part extends from the second mounting member in the mounting direction and inserts into a locking hole formed on the deep wall part of the bracket, providing a visible and confirmable locking state that mediates between the snap fit structure and the external observer.
Solution Approach 2:
The locking part provides a visual indicator of the locking state. When the locking part is inserted into the locking hole, it creates a visible configuration that allows easy confirmation of reliable locking, similar to how color changes indicate state transitions in other systems.
2Reliability
If the snap fit protrusion is formed by gouging the wall part of the fitting groove, then the locking mechanism is created, but the strength of the fitting groove may be low
Solution Approach 1:
The locking function is segmented into two separate elements: the snap fit protrusion for primary locking and the locking part with locking hole for secondary confirmation and anti-detachment. This segmentation allows the fitting groove to maintain its structural integrity while the locking part provides the additional locking function without compromising the fitting groove's strength.
Solution Approach 2:
The locking hole is extracted from the fitting groove structure and placed on the deep wall part of the bracket separately. This extraction allows the fitting groove to maintain its original strength characteristics while the locking hole provides the additional locking function through a separate structural element.
3Reliability
If the snap fit protrusion is formed by gouging the wall part of the fitting groove, then the locking mechanism is created, but the mold structure at the time of manufacturing the bracket may be complicated
Solution Approach 1:
The locking hole is formed on the deep wall part of the bracket as a preliminary structural feature during bracket manufacturing. This preliminary action allows the locking hole to be integrated into the bracket production process without requiring complex additional mold structures, as the deep wall part naturally provides the necessary geometry for hole formation.
Solution Approach 2:
Instead of forming the locking mechanism by modifying the fitting groove (which would require complex mold structures), the locking hole is formed on the deep wall part of the bracket, inverting the approach. This simplifies the mold structure as the locking hole is created on a separate structural element rather than by gouging the fitting groove.
4Reliability
If the locking part is inserted into the locking hole to prevent return, then detachment is prevented, but the structure becomes more complex
Solution Approach 1:
The locking part serves multiple functions: it provides visual confirmation of locking, prevents detachment by engaging with the locking hole, and simplifies the overall structure compared to complex snap fit variations. This multi-functionality reduces the need for additional separate components, thereby reducing overall device complexity while maintaining high reliability.
Data Source
AI summary
In an anti-vibration apparatus having a bracket where an anti-vibration apparatus body in which a first mounting member and the second mounting member are connected by a body rubber elastic body is horizontally mounted to the bracket by fitting parts disposed on two sides of a width direction of the second mounting member in the anti-vibration apparatus body to fitting grooves disposed on opposite inner surfaces on two sides of a width direction of the bracket, a locking hole is provided on a deep wall part located on a deep side in a mounting direction of the second mounting member in the bracket, and a locking part is disposed at a tip portion in the mounting direction of the second mounting member to the bracket, and prevents return in a direction opposite to the mounting direction by inserting and locking the locking part to the locking hole.