Tire Pressure Sensor Valve Locking Structure to Prevent Tilt
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing tire pressure sensors attached to air valves require a cumbersome two-stage installation process and are prone to tilting due to centrifugal force during wheel rotation, affecting stability and detection performance.
Innovation Solution
A tire pressure sensor design with a body, wings, and ridges forming a groove, combined with a reinforcing member and air valve connector, allows for a one-step lock attachment and uses expanding arc-shaped ridges to counteract centrifugal force, enhancing stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a two-stage installation process is used to secure the sensor body to the air valve and then tighten the wheel, then the assembly can be completed with standard components, but the assembly time is extended and the process becomes complicated
Solution Approach 1:
The patent combines two separate installation stages into one integrated process. The sensor body is designed with a clamping structure that simultaneously secures the air valve and attaches to the wheel rim in a single tightening operation, eliminating the need for separate assembly steps and reducing overall installation time
2Strength
If a bolt and positioning element are used to secure the sensor body and air valve, then the components can be firmly fixed, but the body may tilt due to centrifugal force during wheel rotation
Solution Approach 1:
The patent employs an expanding curved arc-shaped groove in the clamping structure that adapts to centrifugal force during rotation. The curved geometry allows the clamping arms to maintain optimal contact pressure distribution, preventing the sensor body from tilting while the wheel rotates at speed
Solution Approach 2:
The clamping structure is designed to dynamically adapt to rotational forces. The expanding arc-shaped groove allows the clamping arms to adjust their position and pressure distribution as centrifugal force increases with wheel rotation, maintaining stable contact and preventing tilt throughout the operating range
3Device complexity
If standard air valve components are used without special attachment structures, then the design is simple, but the sensor body tilts under centrifugal force affecting detection stability
Solution Approach 1:
The patent applies the complex expanding arc-shaped groove and clamping arm mechanism only at the critical attachment interface between sensor body and air valve. The rest of the sensor structure remains simple and conventional, achieving the necessary anti-tilt functionality locally without significantly increasing overall device complexity
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 design achieves a secure one-time lock attachment and reduces tilting, ensuring firm installation and stable tire pressure detection by utilizing a single-step assembly and interference with expanding ridges to counter centrifugal forces.
Implementation Method 1
the gradually increasing interference between the inside of the ridges, extended in a gradually expanding curved arc, and the protrusion of the air valve to suppress the centrifugal force-induced tilting of the body caused by the rotating wheel during driving
Data Source
AI summary
A tire pressure sensor attached to an air valve includes a body and two wings. The body has a face located between the two wings. The wings have ridges extending from the face, in a gradually expanding curved arc, to form an enlarged end. The ridges and the face together form a groove therebetween. An air valve includes a tube, a nut and a connector which is connected to one end of the tube. The nut is threaded onto the tube. The connector has end portions extending from two ends thereof. The connecting portion of the connector is engaged with the groove, and the protrusions abut against the inside of the ridges. The nut is rotated to drive the tube, and the connector presses the protrusions to contact against the ridges. This achieves a one-time lock attachment in a single step, offering improved functionality.