Service Vehicle Door Connectors With Deformable Inserts
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Solution Overview
Problem
Service vehicle door systems lack structural integrity, provide unsatisfactory sealing, and are difficult to construct efficiently.
Innovation Solution
A door system comprising a door frame with elongated members, an interior panel, and connectors that include inserts with a deformable portion and fasteners, allowing for secure attachment and sealing of the panel to the frame, enhancing structural integrity and sealing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional door systems are used in service vehicles, then construction is simpler with fewer components, but structural integrity and sealing ability are insufficient
Solution Approach 1:
The door system is divided into distinct modular components: frame members with attachment flanges, interior panels, exterior panels, and connector assemblies. Each component can be manufactured separately and assembled systematically, achieving high structural integrity through precise modular connections rather than monolithic construction.
Solution Approach 2:
Inserts are pre-installed into the attachment flanges during frame manufacturing, creating prepared receptacles for connectors. This preliminary action ensures that when panels are assembled to the frame, the connectors engage with pre-positioned inserts, guaranteeing proper alignment and maximum structural strength without requiring complex field adjustments.
2Reliability
If traditional door systems are used, then manufacturing process is simpler, but sealing conditions are unsatisfactory
Solution Approach 1:
The attachment flanges incorporate specific local features including recesses, protrusions, and precisely positioned insert openings that are optimized for connector engagement. These localized structural qualities at critical connection points ensure reliable sealing without requiring the entire door system to be overly complex.
Solution Approach 2:
Connectors serve as intermediary elements between the frame members and interior/exterior panels. Each connector includes an insert portion that engages with pre-installed receptacles in the frame and a fastening portion that secures the panel, mediating the connection to ensure both structural integrity and weather sealing.
3Manufacturing precision
If traditional door systems are used, then construction is faster, but assembly precision and structural strength are compromised
Solution Approach 1:
The inserts are pre-installed into the attachment flanges during frame manufacturing, creating ready-made receptacles for connectors. This preliminary preparation eliminates the need for precise field alignment during assembly, as connectors simply engage with the pre-positioned inserts, ensuring high assembly precision without time loss.
Solution Approach 2:
The connector design incorporates self-aligning features where the insert portion automatically engages with the receptacle in the attachment flange. This self-service mechanism ensures precise connection without requiring complex alignment tools or procedures, maintaining high manufacturing precision while expediting assembly.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides improved structural integrity and sealing, while also simplifying the construction process, ensuring the door system can securely access and isolate storage compartments effectively.
Implementation Method 1
the inserts are deformed so as to compress the interior panel between the attachment flanges and the heads of the fasteners
Data Source
AI summary
A door system for a service vehicle. The door system comprises a door frame that includes a plurality of elongated frame members, an interior panel coupled to the door frame, and a plurality of connectors for coupling the interior panel to the door frame. Additionally, each of the frame members comprises an attachment flange having a longitudinal groove and a series of longitudinally spaced insert openings. The insert openings extend entirely through the attachment flange and open into the longitudinal groove. As such, the connectors extend through the insert openings to secure the interior panel to the door frame.