Washer Nozzle Variable Guide Adjusting Spray Angle
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Solution Overview
Problem
Existing washer nozzles for motor vehicles have a fixed spray angle in the vertical direction, requiring multiple nozzles for different angles and making it difficult to adjust the spray direction as needed, which affects the efficiency and adaptability of cleaning liquid distribution.
Innovation Solution
A washer nozzle with a guide portion that can be adjusted by changing its length using a variable means, such as slits or demountable extension guides, allowing the spray angle to be modified by altering the guide area from the partitioning plate to the guide portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the guide portion is formed integrally with the nozzle body or nozzle tip as a fixed structure, then the manufacturing simplicity is improved, but the spray angle adjustability deteriorates
Solution Approach 1:
The guide portion is divided into a fixed guide base portion and a variable extending guide that can be mounted or demounted. This segmentation allows the nozzle to maintain manufacturing simplicity for the base structure while enabling spray angle adjustment through the optional extending guide component.
Solution Approach 2:
The guide portion transitions from a completely fixed structure to a dynamic configuration where the extending guide can be mounted or demounted based on spray angle requirements. This dynamic capability allows the same nozzle to adapt to different spray patterns without requiring multiple fixed-angle nozzles.
2Adaptability or versatility
If multiple washer nozzles with different spray angles are prepared, then the spray angle coverage is improved, but the device complexity increases
Solution Approach 1:
A single washer nozzle design incorporates both a fixed guide base portion and an optional extending guide, enabling it to perform multiple spray angle functions. This universal design eliminates the need for multiple specialized nozzles, reducing device complexity while maintaining comprehensive spray angle coverage.
Solution Approach 2:
The spray angle parameter is made variable by changing the configuration of the guide portion. By mounting or demounting the extending guide, the effective guide area length changes, which directly alters the spray angle. This parameter change capability allows one nozzle to replace multiple nozzles with different fixed angles.
3Shape
If the guide area length is increased, then the spray angle is widened, but the spray distance increases
Solution Approach 1:
The guide area length is made dynamically adjustable through the mounting and demounting of the extending guide. This allows users to optimize the balance between spray angle and spray distance based on specific application requirements, rather than being constrained by a fixed guide area length.
Solution Approach 2:
By changing the physical length of the guide area through configuration changes, the spray characteristics are adjusted. A longer guide area produces a wider spray angle, while a shorter guide area maintains a more focused spray distance, allowing parameter optimization for different cleaning scenarios.
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
Enables easy adjustment of the spray angle and distance between upper and lower liquid sprays, accommodating various mounting conditions and improving the distribution pattern for effective cleaning, whether in a single tier or separate sprays, without the need for multiple nozzles.
Implementation Method 1
a guide portion configured to be projected from an outer peripheral portion of the spray orifice of the nozzle body along the direction of a center axis of the nozzle body in order to guide the cleaning liquid spray sprayed from the spray orifice
Data Source
Figure 1A~1D
Figure 2A~2D
Figure 3A~4A
AI summary
A washer nozzle (1) is provided with a nozzle body (2), a nozzle tip (11) which is mounted within the nozzle body (2), and a nozzle holder (15) having a head portion (9) for storing the nozzle body (2) and also has a supply portion (10) for supplying a cleaning liquid. The nozzle body (2) has a partitioning plate (4) configured to partition the spray orifice into two-tiered parts, and also has a guide portion (3) for guiding liquid spray The nozzle body (2) of the washer nozzle (1) is configured so that the relative angle between upper liquid spray and lower liquid spray can be changed by making the length (a) of a guide region variable, the guide region extending in the direction of the center axis (c) of the nozzle body from the front end surface of the partition plate to the front end surface of the guide portion (3).