Door Alignment Pin Bolt with Dual Threads
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Solution Overview
Problem
The existing door bolts for removable vehicle doors are difficult to align, often causing paint damage and requiring extensive time due to the need to align a single threaded bolt through the door and vehicle hinges, making the process cumbersome and prone to errors.
Innovation Solution
A door alignment pin bolt with threads on both top and bottom, featuring an angled bolt cap and a corresponding bolt nut with a hexagonal top and cylindrical bottom, allowing for easier alignment and secure attachment of removable doors to vehicle frames without damaging the paint.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single threaded bolt is used to attach the door to the vehicle hinge, then the door can be securely attached, but the alignment process becomes time-consuming and prone to paint damage
Solution Approach 1:
The fastening system is segmented into multiple functional components: an alignment pin with threads at both ends, a separate bolt nut, and an angled bolt cap. The alignment pin is inserted first to establish proper positioning, followed by the bolt nut and angled bolt cap to secure the connection. This segmentation allows alignment and fastening to occur in distinct steps, reducing alignment time while maintaining secure attachment.
2Reliability
If a single threaded bolt is used to attach the door to the vehicle hinge, then the door can be securely attached, but the bolt may scrape paint off the door and frame during alignment
Solution Approach 1:
The alignment pin serves as an intermediary component that establishes proper alignment between the door and vehicle hinge before the final fastening occurs. By inserting the alignment pin first, the system creates a guided pathway that prevents the bolt from scraping against the door or frame during alignment, thereby eliminating paint damage while maintaining secure attachment.
3Reliability
If a single threaded bolt is used to attach the door to the vehicle hinge, then the door can be securely attached, but the alignment process becomes cumbersome and difficult
Solution Approach 1:
The alignment pin is inserted into the hinge opening before the door is fully positioned, performing the alignment function in advance. This preliminary action establishes the correct positioning pathway, making the subsequent door attachment process simpler and more straightforward. The operator only needs to insert the alignment pin, then follow its guidance to properly position and secure the door, significantly reducing the difficulty of the overall operation.
Data Source
AI summary
The current invention is vehicle door alignment pin bolts with a bolt thread on the top and the bottom. The current invention will have two components, a door bolt with a thread on the top and a thread on the bottom with an angled bolt cap in the middle and a bolt nut with an opening on the bottom that fits over the angled bolt cap. The allows for the reconnecting the door to the frame of the vehicle in a quicker and more efficient manner.