Double Pump Assembly Floating Valve Mounting
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Solution Overview
Problem
Existing double pump units face difficulties in simple installation and assembly of the flap due to complex production processes and potential delicacy risks, particularly with threaded bores in the pump housing, leading to assembly challenges and leakage risks.
Innovation Solution
A double pump unit design where the flap is held in a recording room without a wave, allowing for swiveling around a changing axis with an all-round game, eliminating the need for additional components like waves or glue, and enabling easy insertion and removal without special tools, using an elastic holding section that compresses to fit through a narrower opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a threaded bore with pin and adhesive is used to hold the flap, then the flap can be securely mounted, but the manufacturing process becomes complex and leakage risk increases
Solution Approach 1:
The invention extracts and eliminates the threaded bore, pin, and adhesive from the mounting system. Instead of using these separate components, the flap is held directly against the pump housing wall by the elastic holding section, which deforms to engage with the housing without requiring any additional mounting components or threaded holes.
Solution Approach 2:
The elastic holding section serves multiple functions simultaneously: it provides the mounting function traditionally performed by the pin and adhesive, creates its own securing mechanism through elastic deformation, and eliminates the need for separate fastening components. The holding section deforms to pass through the opening and then springs back to hold the flap securely in place.
2Stability of the object's composition
If a shaft is used to pivot the flap, then the flap can be held in position, but friction resistance increases and mobility decreases
Solution Approach 1:
The invention replaces the mechanical shaft-based pivoting system with a frictionless magnetic field-based positioning system. The flap contains a magnet that interacts with the pump housing wall, providing stable positioning without physical contact. This eliminates the friction and mechanical resistance inherent in shaft-based systems while maintaining the ability to hold the flap in various positions.
3Strength
If additional components like pins and adhesive are used for mounting, then secure attachment is achieved, but assembly time and tool requirements increase
Solution Approach 1:
The invention merges the mounting function with the flap structure itself. The elastic holding section is integrated into the flap body, combining what were previously separate components (flap and mounting mechanism) into a single unified structure. This eliminates the need for separate pins, adhesive application steps, and multiple assembly operations.
Solution Approach 2:
The elastic holding section provides self-mounting capability through its deformation properties. When inserted through the opening, it automatically deforms to engage with the pump housing wall and springs back to secure the flap in place, eliminating the need for external fastening operations or additional components.
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
Simplifies the manufacturing process, reduces the risk of leakage, and enhances flap mobility, allowing for quick and secure installation and removal without additional components or tools, while maintaining effective sealing.
Implementation Method 1
the holding section is elastic in such a way that it can be compressed to a width that is less than or equal to the width of the opening
Data Source
Figure 1
Figure 2~4
Figure 5
AI summary
The invention relates to a double pump unit (1) comprising a first and a second centrifugal pump with a common pump housing (2) in which a pump chamber (3, 4) of the first and second centrifugal pump is formed, each of which has a pressure channel (5, 6) opening into a common valve chamber (7) which transitions into an outlet channel (8) and in which a valve (9) is arranged, which is pivotably held by a retaining section (10) in a receiving chamber (11) of the pump housing (2) and selectively closes one or the other pressure channel (5, 6). According to the invention, the valve (9) is held floating without shafts in the receiving chamber (11).