Retainer Installation Tool for Vehicle Sensors
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Solution Overview
Problem
The installation of sensors in vehicles often results in broken retainers that fail to hold the sensor securely, or insufficient adhesion leading to the retainer separating from the vehicle body structure.
Innovation Solution
A retainer installation tool is provided, featuring a plunger that extends within a housing and is movable along its longitudinal axis. The tool is configured to retainably engage a retainer and selectively disengage it by depressing the plunger, ensuring proper placement and adhesion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual installation methods are used, then installation simplicity is maintained, but retainer integrity and secure attachment are compromised leading to broken retainers and insufficient adhesion
Solution Approach 1:
The patent introduces a specialized installation tool as an intermediary device between the installer and the retainer. This tool includes a housing with a retainer receiving chamber, locking members that engage with the retainer, and a plunger mechanism that applies controlled force during installation. The intermediary tool ensures proper installation technique while protecting the retainer from damage, thereby improving reliability without requiring the installer to change their skills or approach fundamentally.
Solution Approach 2:
The installation tool performs preliminary actions to ensure proper retainer installation before the retainer is permanently attached to the vehicle body. The locking members pre-position and secure the retainer in the correct orientation, while the plunger applies predetermined installation forces. This preliminary controlled action prevents common installation errors that lead to broken retainers or insufficient adhesion, improving reliability while keeping the tool relatively simple.
2Manufacturing precision
If proper installation technique is enforced, then retainer integrity is improved, but installation process complexity increases
Solution Approach 1:
The installation tool is designed to automatically enforce proper installation technique through its self-contained mechanisms. The locking members automatically engage with the retainer features to ensure correct positioning, and the plunger mechanism automatically applies the appropriate installation force. This self-service capability ensures manufacturing precision without requiring the operator to have specialized skills or to follow complex procedures, thereby maintaining ease of operation.
Solution Approach 2:
The installation tool incorporates dynamic elements that adapt to the installation process. The plunger can be depressed to different extents depending on the specific retainer and installation conditions, while the locking members can engage or disengage based on the retainer's position. This dynamic capability allows the tool to maintain precision across different installation scenarios while remaining easy to operate through simple plunger depression motions.
3Reliability
If locking members extend beyond housing surface, then retainer engagement is secured, but tool profile and storage become problematic
Solution Approach 1:
The locking members are designed as movable components that can change their position relative to the housing surface. During retainer installation, the locking members extend beyond the housing surface to securely engage with the retainer features. After installation, the locking members can be retracted back into the housing, allowing the tool to have a compact profile for storage and transport. This dynamic positioning resolves the contradiction between needing extended locking members for reliable engagement and maintaining a compact tool shape.
Solution Approach 2:
The locking members are nested within the housing structure when not in use, similar to a nested doll configuration. The housing contains recesses or channels that accommodate the locking members in a retracted state. When installation is required, the locking members can be extended outward from their nested positions to engage the retainer. This nesting approach allows the tool to maintain a compact overall shape while still providing extended locking capability when needed, resolving the profile versus engagement reliability contradiction.
Data Source
AI summary
A retainer installation tool can facilitate installation of a retainer onto a vehicle body structure. In some arrangements, the retainer can be for a vehicle sonar sensor, and the vehicle body structure can be a bumper. The retainer installation tool can help to ensure proper placement of retainer, sufficient adhesion time, and/or placement of an adhesive. The retainer installation tool can include a plunger that extends partially within a housing. The plunger can have a longitudinal axis. The plunger can be movable along its longitudinal axis within the housing. The retainer installation tool can be configured to retainably engage a retainer. The retainer installation tool can be configured to selectively disengage the retainer when the plunger is depressed downwardly along the longitudinal axis. In such case, the retainer is free to be separated from the retainer installation tool.