Bicycle Seat Connecting Device with Interlocking Teeth
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Solution Overview
Problem
Existing seat connecting devices for bicycles fail to securely attach water bottle holders, causing them to fall during cycling due to the weight and movement of the bottle.
Innovation Solution
A seat connecting device comprising a first base unit with a plurality of first teeth and a second base unit with a sliding groove and second teeth, allowing for adjustable engagement and secure attachment to the bicycle seat, preventing the water bottle holder from falling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the adjusting end portion is restricted to slide relative to the adjusting track portion, then the auxiliary device can be pivotably mounted to adjust the connection position, but the adjusting portion slides relative to the fixing device under the weight of the water bottle during rigorous cycling, causing the water bottle to fall
Solution Approach 1:
The connecting member is divided into distinct functional segments: a pressing portion for applying force, a sliding portion for movement along the sliding groove, and a toothed portion for engagement. This segmentation allows each part to perform its specific function optimally while working together to prevent the water bottle from falling.
Solution Approach 2:
The pressing portion is designed to preliminarily press the second base unit against the first base unit before engagement, creating preliminary contact force that ensures stable engagement of the teeth. This preliminary action prevents the adjusting portion from sliding during subsequent use.
Solution Approach 3:
The connecting member acts as an intermediary between the two base units, transferring and controlling the forces between them. The sliding groove and pressing portion mediate the interaction, allowing adjustment while preventing unwanted movement during cycling.
2Ease of operation
If the connecting member is detachably connected to the connecting portion, then the device allows for easy assembly and disassembly, but the connection may become loose under rigorous cycling conditions
Solution Approach 1:
The connecting member incorporates a sliding groove that allows dynamic adjustment of the connection position while maintaining stability. The sliding portion can move within the groove to accommodate movement forces during cycling, preventing the connection from becoming loose while allowing easy assembly and disassembly.
Solution Approach 2:
The toothed engagement mechanism replaces traditional threaded or pinned connections. The interlocking teeth provide a mechanical lock that is both easy to engage/disengage and highly reliable under cyclic loading, eliminating the need for complex fastening systems.
Data Source
AI summary
A seat connecting device includes a first base unit for coupling with a bicycle seat and a second base unit. The first base unit includes an extension having a first end portion with first teeth and a connecting portion. The second base unit includes a body and a connecting member. The body includes a second end portion with second teeth and a sliding groove extending through the second end portion. The connecting member extends through the sliding groove and is detachably connected to the connecting portion. The connecting member selectively presses against a side of the second end portion distant to the second teeth. The second teeth disengageably engages with the first teeth. A water bottle holder can be mounted to the body.