Offset Joint Cover for Urea Piping Assembly
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Solution Overview
Problem
The existing joint covers for urea water supply piping in exhaust purification systems are inefficient due to symmetrical housing designs that result in unstable mounting and potential pinching of heating wires, leading to poor working efficiency and increased risk of mechanical errors.
Innovation Solution
A joint cover design featuring a first cover body that houses more than half the outer circumference of the joint, with a dividing position offset towards a second cover body, allowing for stable attachment and preventing pinching of heating wires, thereby improving working efficiency and ease of assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the housings are shaped to be symmetrical to each other, then the joint cover can be assembled in any orientation, but the first housing covers only half an outer circumference of the joint resulting in unstable mounting
Solution Approach 1:
The patent applies asymmetry by making the first housing cover more than half of the outer circumference of the joint, while the second housing covers the remaining portion. This asymmetric division allows the joint to be securely held by the larger first housing, improving mounting stability, while still maintaining the ability to assemble in multiple orientations due to the overall symmetric configuration of the cover assembly
2Ease of manufacture
If the joint is attached to the first housing which covers only half the outer circumference, then the assembly process is simple, but the joint is not stable
Solution Approach 1:
The asymmetric design of the first housing, which covers more than half of the joint's outer circumference, provides enhanced stability while maintaining assembly simplicity. The larger coverage area of the first housing creates a more secure fit for the joint, reducing instability issues without complicating the assembly process
3Area of stationary object
If the second housing is fixed to the first housing to cover the joint, then complete coverage is achieved, but the heating wire tends to be pinched between the housings
Solution Approach 1:
The patent introduces an intermediary space or gap between the first and second housings that prevents direct contact and pinching of the heating wire. This intermediary feature allows the housings to be fixed together to achieve complete joint coverage while creating a protective channel or clearance that prevents the heating wire from being pinched between the housing surfaces
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 offset dividing position enables stable housing of the joint, preventing heating wire pinching and enhancing the efficiency of mounting the joint cover, ensuring reliable operation and reduced mechanical errors during assembly.
Implementation Method 1
a joint connected to a urea water supply pipe and provided with a heating wire for use to heat urea water
Data Source
AI summary
The present invention provides a joint cover capable of improving working efficiency in mounting a joint cover on a joint. A joint cover provided on the outside of a joint includes a first cover body provided with an opening and adapted to house one side of the joint; and a second cover body detachably attachable to the first cover body, wherein a dividing position formed when the first cover body and the second cover body are in contact with each other is offset toward the second cover body.