Soda Machine Pressure-Regulating Subassembly for Adjustable CO2 Levels
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Solution Overview
Problem
Existing soda machines are limited to producing soda with a single CO2 concentration, failing to meet consumer demand for variations in CO2 levels.
Innovation Solution
A pressure-regulating-type soda machine is designed with an arc-shaped guide cavity, middle transmission wheel, driving gear, and adjustable pressure relief valve, allowing for the adjustment of CO2 concentrations by altering the elastic force of a pressure spring, enabling the production of sodas with different CO2 levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the adjustment nut is fixed in position between the positioning seat and sub-machine upper housing, then the structural stability is improved, but the adaptability for different CO2 concentrations deteriorates
Solution Approach 1:
The adjustment nut is transformed from a fixed component to a movable one through the rack-and-pinion mechanism. The driving gear rotates the adjustment nut along an arc-shaped trajectory defined by the guide cavity, enabling dynamic repositioning of the adjustment nut to achieve different CO2 concentration settings while maintaining structural stability through guided motion constraints
2Reliability
If the positioning seat is fixedly connected with the sub-machine upper housing, then the structural reliability is improved, but the ease of operation for pressure adjustment deteriorates
Solution Approach 1:
The rack-and-pinion mechanism serves as an intermediary between the user's rotational input on the operating rod and the linear adjustment motion of the pressure relief valve. This intermediary mechanism translates simple rotational motion into precise linear displacement of the adjustment nut, significantly improving ease of operation while the fixed positioning seat maintains structural reliability
3Adaptability or versatility
If a rack-and-pinion mechanism is added for adjustment, then the adaptability for different CO2 concentrations is improved, but the device complexity increases
Solution Approach 1:
The arc-shaped guide cavity performs multiple functions simultaneously: it guides the rotational motion of the driving gear, constrains the adjustment nut to follow a precise arc trajectory, and defines the range of motion for the pressure relief valve. This multi-functional design achieves adaptability for different CO2 concentrations while minimizing the addition of separate components, thus controlling 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 machine allows for convenient adjustment of CO2 concentrations, accommodating diverse consumer preferences by optimizing the pressure relief mechanism, facilitating the production of both high and low-concentration sodas.
Implementation Method 1
a pressure spring and an adjustment nut which are provided on the sub-machine main body... allowing for the adjustment of CO2 concentrations by altering the elastic force of a pressure spring
Implementation Method 2
a middle transmission wheel, and a driving gear... the arc-shaped rack meshes with the lower gear; the driving gear is fixedly connected to the upper end of the adjustment nut, the driving gear meshes with the upper gear
Data Source
AI summary
A pressure-regulating-type sub-machine of soda machine is provided, comprising positioning seat, sub-machine upper housing, sub-machine main body, sub-machine bottom cover, conical ring, water bottle connecting port, gas nozzle rod, soda bottle; wherein the sub-machine upper housing includes upper-opening arc-shaped guide cavity and provided at the edge of the top, fixed shaft, arc-shaped rack, middle transmission wheel, driving gear; arc-shaped guide cavity has radial outer sidewall with guide groove having upper opening, radial inner side wall provided with through hole; the middle transmission wheel comprises upper and lower gear; the arc-shaped rack sliding fit the arc-shaped guide cavity, middle transmission wheel is rotatably fitted the fixed shaft, arc-shaped rack meshes with lower gear; driving gear is fixedly connected upper end of adjustment nut, driving gear meshes with upper gear, operating rod fitted the guide groove slidably; lower end of the positioning seat and guide groove form guide hole. The arc-shaped rack is rotated to drive the middle transmission wheel, middle transmission wheel drives adjustment nut, let soda have different concentrations by adjusting elasticity, really convenient.