Double-Rod Grease Gun Layout for Uniform Oil Injection
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Solution Overview
Problem
The existing electric double-rod grease gun suffers from uneven oil injection efficiency between the first and second plunger chambers due to inconsistent distances between the oil inlets and the oil outlet of the oil storage tank.
Innovation Solution
The improved electric double-rod grease gun arranges the first and second plunger chambers parallelly in a horizontal direction, ensuring consistent distances between the oil inlets and the oil outlet, and employs a new driving device with a symmetrical gear arrangement to enhance oil injection efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the first and second plunger chambers are arranged parallelly in the vertical direction, then the structure is compact, but the oil injection efficiency becomes uneven between the two plunger chambers
Solution Approach 1:
The patent changes the arrangement dimension of the plunger chambers from vertical to horizontal direction. By arranging the first and second plunger chambers parallelly in the horizontal direction, both chambers are positioned at the same height level, ensuring equal distance from the oil inlet and achieving uniform oil injection efficiency while maintaining structural compactness.
2Ease of operation
If the plunger chambers are arranged vertically, then the distance between oil inlets and outlet can be controlled, but the oil injection efficiency becomes uneven due to gravitational effects
Solution Approach 1:
The patent positions both plunger chambers at the same horizontal level, creating equipotential conditions for oil flow. This ensures that gravitational effects are equal for both chambers, eliminating the efficiency imbalance caused by height differences and ensuring consistent oil injection performance.
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
This design ensures similar oil inlet efficiencies for both plunger chambers, thereby improving the overall oil injection efficiency of the electric double-rod grease gun and providing a more reliable and efficient operation.
Implementation Method 1
the driving motor drives the main transmission gear through the reduction mechanism
Implementation Method 2
the first eccentric shaft is eccentrically provided on the first secondary transmission gear, the second eccentric shaft is eccentrically provided on the second secondary transmission gear
Data Source
AI summary
An electric double-rod grease gun is provided, which includes an oil storage tank, a plunger pump, and a driving device; the plunger pump includes a pump body that is provided with a first plunger chamber and a second plunger chamber, both the first plunger chamber and second plunger chamber are respectively provided with a first plunger rod and a second plunger rod; the driving device includes a driving motor, a reduction mechanism, a main transmission gear, a first secondary transmission gear, a second secondary transmission gear, a first eccentric shaft, a second eccentric shaft, a first connection rod, and a second connection rod. The first secondary transmission gear and the second secondary transmission gear are all meshed with the main transmission gear grease.