Seat Spring Isolation Structure for Quiet Shock Absorption
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Solution Overview
Problem
Existing seat shock absorbing devices in bicycles and electric vehicles suffer from noise due to direct contact between the spring and bracket, and there is a risk of the spring falling off, compromising user experience and comfort.
Innovation Solution
A seat shock absorbing device featuring a seat cushion, a bracket with a bent mounting part, and an elastic component with an annular gasket and spring, where the spring is separated from the bracket by the gasket to prevent direct contact, ensuring noise reduction and structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the spring is directly connected to the bracket, then the structure is simple, but the spring and bracket collide to generate noise and reduce reliability
Solution Approach 1:
The gasket is introduced as an intermediary component between the spring and bracket. The gasket includes a clamping portion that engages with the bent mounting part of the bracket, and a limiting portion that restricts spring movement. This intermediary structure prevents direct contact between the spring and bracket, eliminating collision noise while reducing the risk of spring detachment without significantly increasing overall structural complexity.
2Ease of manufacture
If the spring directly contacts the bracket, then the manufacturing process is simple, but collision noise occurs during use
Solution Approach 1:
The gasket serves as a mediator that eliminates collision noise by preventing direct contact between the spring and bracket during operation. The gasket's clamping portion attaches to the bracket's bent mounting part, while the limiting portion restricts spring displacement, thereby absorbing collision forces and eliminating noise generation without complicating the manufacturing process.
3Stability of the object's composition
If the spring is constrained by the bracket, then the spring position is stable, but the spring and bracket collide generating noise
Solution Approach 1:
The gasket acts as an intermediary constraint mechanism that maintains spring position stability through its clamping portion engaged with the bracket's bent mounting part, while simultaneously preventing collision noise by using the limiting portion to restrict spring movement within safe boundaries, avoiding direct spring-bracket contact during operation.
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 effectively reduces noise and enhances user comfort by preventing direct contact between the spring and bracket, while providing a firm structure that prevents the spring from falling off, thus improving the overall shock absorption experience.
Implementation Method 1
an elastic component fixed on the bracket; the elastic component includes an annular gasket fixed on the inner side of the mounting part and a spring fixed on the inner side of the gasket; and the spring supports the seat cushion from the bottom
Implementation Method 2
The bracket is separated from the elastic component using the gasket, so that collision caused by direct contact between the spring and the bracket can be effectively avoided
Data Source
AI summary
A seat shock absorbing device provided by the present disclosure includes a seat cushion, a bracket fixed below the seat cushion, and an elastic component fixed on the bracket; the bracket is provided with a bent mounting part; the elastic component includes an annular gasket fixed on the inner side of the mounting part and a spring fixed on the inner side of the gasket; and the spring supports the seat cushion from the bottom. The bracket is separated from the elastic component using the gasket, so that collision caused by direct contact between the spring and the bracket can be effectively avoided.