Two-Piece Clam Shell Spray Washer Nozzle Assembly
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Solution Overview
Problem
Existing spray washer nozzles for vehicles are time-consuming to assemble due to the need to press small components into a one-piece housing, which increases manufacturing costs and reduces assembly efficiency.
Innovation Solution
A two-piece clam shell design for the spray washer nozzle, where the upper and lower housings are connected using retaining clips and a seal, simplifying the assembly process and reducing component handling and assembly times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a one-piece housing design is used, then the housing structure is simple and sealed, but the assembly process becomes time-consuming due to the need to press small components into location
Solution Approach 1:
The housing is divided into two separate pieces (upper housing and lower housing) that can be assembled together. This segmentation allows each housing piece to be simpler in structure while eliminating the need to press small components into a complex one-piece housing, thereby improving assembly speed without sacrificing structural simplicity.
2Reliability
If a one-piece housing design is used, then the housing provides good sealing, but the manufacturing cost increases due to time-consuming assembly processes
Solution Approach 1:
By segmenting the housing into two pieces with dedicated sealing surfaces, the design maintains effective sealing while simplifying the manufacturing process. The separate housing pieces can be manufactured independently and assembled with sealing elements, reducing assembly time and manufacturing costs compared to complex one-piece housings.
3Productivity
If a two-piece clam shell design is used, then the assembly process is simplified and assembly time is reduced, but additional components such as fastening devices and seals are required
Solution Approach 1:
The housing is segmented into two main pieces that can be quickly assembled, which significantly improves assembly speed. Although this requires additional fastening devices and seals, the overall assembly process becomes more efficient and less time-consuming compared to pressing small components into a one-piece housing.
Solution Approach 2:
The fastening device combines multiple functions (securing the housing pieces together, providing alignment, and ensuring sealing) into a single integrated component system. This merging reduces the number of separate parts needed while maintaining assembly simplicity and speed.
Data Source
AI summary
A spray washer nozzle includes an upper housing; a lower housing including a head assembled with the upper housing and a nozzle body extending downwardly from the head, the nozzle body having a fluid channel extending therethrough, and retaining clips configured to attach the lower housing to a portion to be installed; a fastening device having fastening clips formed on one the upper housing or the head of the lower housing and retaining members formed in another of the upper housing or the lower housing and engaging the fastening clips to connect the upper and lower housings together; a nozzle portion arranged in the upper housing and having a plurality of fluid chambers and a fluid exit to spray the fluid passing through the fluid channel and the fluid chambers from the fluid exit; and a seal arranged between the upper housing and the lower housing to seal therebetween.