Low-Flow Electromagnetic Plunger Pump With Dual-Outlet Pressure Control
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Solution Overview
Problem
Existing electromagnetic plunger pumps face issues with complex pipeline structures due to weak inlet pressure variations, leading to potential failure of outlet check valves and increased resource requirements.
Innovation Solution
A low-flow and double-outlet electromagnetic plunger pump design featuring a pump body, balance disk, jacking spring, plunger pipes, and pressure control assembly, which simplifies pipeline mechanisms and stabilizes pressure through an overflow pipe and narrow-neck channel, enabling independent oil supply to multiple systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple single-channel electromagnetic plunger pumps are used to build a pipeline system, then the flow requirements can be met, but the pipeline structure becomes complex and occupies large space
Solution Approach 1:
The patent merges multiple single-channel pumps into a single multi-channel pump body, integrating multiple plunger pipes (first plunger pipe and second plunger pipe) within one unified structure. This consolidation maintains the flow supply capability while significantly simplifying the pipeline system and reducing occupied space.
Solution Approach 2:
The pump body is designed with multi-functionality to serve multiple systems simultaneously. The first plunger pipe supplies oil to a first system while the second plunger pipe supplies oil to a second system, allowing a single device to perform multiple functions that previously required separate pumps and pipelines.
2Reliability
If inlet pressure fluctuation is high, then the outlet check valve may break down, but adding pressure stabilization pipelines increases structure complexity and space occupation
Solution Approach 1:
The pressure stabilization function is merged into the pump body structure itself through the balance disk mechanism. The balance disk moves with the plunger pipe, and the balance channel connects the plunger pipe to the pump cavity, integrating pressure regulation with the pumping function and eliminating separate stabilization pipelines.
Solution Approach 2:
The balance disk acts as an intermediary pressure regulation mechanism between the plunger pipe and the pump cavity. It mediates pressure fluctuations by moving with the plunger pipe and maintaining stable pressure in the pump cavity, preventing outlet check valve failure without requiring external pressure stabilization pipelines.
3Device complexity
If a single-channel pump is used, then the structure is simple, but multiple pumps are needed to meet flow requirements for multiple systems
Solution Approach 1:
The pump body is segmented into multiple independent channels, each with its own plunger pipe (first plunger pipe and second plunger pipe) and outlet. This segmentation allows a single pump structure to provide independent flow supply to multiple systems, maintaining structural simplicity while increasing productivity.
Solution Approach 2:
The pump body is designed as a universal device that can simultaneously serve multiple systems. The multi-channel configuration enables a single pump to perform the function of multiple separate pumps, providing both structural simplicity and enhanced flow supply capability.
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 stable double-outlet flow, reduces resource requirements, and enhances system consistency by controlling pressure fluctuations, thus preventing pump damage and simplifying pipeline layouts.
Implementation Method 1
the electromagnetic assembly is hermetically and fixedly arranged on the pump cover and is configured to drive the balance disk to slide
Implementation Method 2
One end of the jacking spring is arranged in the first blind hole, the other end of the jacking spring is in contact with the balance disk
Implementation Method 3
One end of the plunger spring is arranged on the plunger seat, and the other end of the plunger spring is in contact with the plunger ball slidably arranged in the oil passing channel
Implementation Method 4
the interior of the overflow pipe is arranged with a narrow-neck channel, and the narrow-neck channel is arranged between the overflow grid and the pump cavity
Data Source
AI summary
Disclosed is a low-flow and double-outlet electromagnetic plunger pump, including a balance disk. A pump cavity is arranged in a pump body, a pressure control assembly is hermetically and fixedly arranged on an outlet port, an end portion of an overflow pipe is hermetically and fixedly arranged on an inlet port, an interior of the overflow pipe is hermetically and fixedly arranged with an overflow grid, and anti-backflow assemblies are hermetically and fixedly arranged on outlets of oil filling channels. By controlling the movement of plunger pipes or multi-plunger pipes through the balance disk, the double-outlet or multi-outlet flow can be formed to simplify a pipeline mechanism for supplying oil to a multi-cylinder or multi-system and reduce the cost; and the double-outlet flow has good consistency, improving the stability of the system.