Decorative Cap Water Guide Channel for Cylinder Lock
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Solution Overview
Problem
Existing mounting systems for decorative cap members and cylinder locks are prone to water infiltration, leading to inoperability due to freezing during cold seasons, especially in high-water-pressure environments like car washes.
Innovation Solution
A mounting system featuring a decorative cap member made of synthetic resin with a water guide groove and channel that directs infiltrated water to an ejection opening, preventing retention and reverse flow, and a dividing wall to isolate the water removal opening from the decorative cap member, ensuring effective water expulsion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a decorative cap member covers the cylinder lock, then the aesthetic appearance is improved, but water infiltration into the cylinder lock increases
Solution Approach 1:
A water guide groove is introduced as an intermediary structure between the key insertion opening and the water removal opening. This groove acts as a mediator that captures infiltrating water and directs it along a controlled path to the ejection opening, preventing water from directly entering the cylinder lock while maintaining the decorative cap's aesthetic coverage.
Solution Approach 2:
The water removal opening is extracted and positioned separately from the main decorative cap body, with a dividing wall isolating it from the hollow portion. This extraction allows the water ejection function to be separated from the decorative coverage function, enabling water to be actively removed without compromising the aesthetic appearance of the decorative cap.
2Object-affected harmful factors
If water removal opening is provided in cylinder lock, then water ejection is enabled, but water may reverse flow into cylinder lock from decorative cap member
Solution Approach 1:
The internal space of the decorative cap member is segmented into two distinct regions by a dividing wall: a hollow portion for water collection and a water removal space for water ejection. This segmentation prevents water from the hollow portion from reversing flow into the cylinder lock through the water removal opening, as the dividing wall creates a one-way flow path.
Solution Approach 2:
The water guide groove serves as an intermediary structure that captures water at the key insertion opening and directs it to the hollow portion. This groove acts as a barrier that prevents water from directly reaching the water removal opening and potentially reversing flow into the cylinder lock, while still enabling effective water ejection through the water removal space.
3Ease of operation
If key insertion opening is provided in decorative cap member, then key access is enabled, but water infiltration at the opening increases
Solution Approach 1:
The water guide groove is positioned to capture water at the key insertion opening, acting as an intermediary barrier that intercepts infiltrating water before it can enter the cylinder lock. This groove allows key access to function normally while simultaneously serving as a water collection point that directs water to the hollow portion for subsequent ejection.
4Ease of manufacture
If decorative cap member is made of synthetic resin, then manufacturing ease is improved, but water retention in hollow portion may occur
Solution Approach 1:
The water removal opening and water removal space are extracted as separate functional elements from the main decorative cap body. This extraction creates a dedicated water ejection pathway that actively removes water from the hollow portion, preventing water retention while maintaining the manufacturing advantages of using synthetic resin for the decorative cap member.
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
Prevents water infiltration and retention within the cylinder lock, maintaining its operability even in high-water-pressure conditions by efficiently guiding and ejecting water, thus preventing freezing issues.
Implementation Method 1
a water guide channel (7) which guides infiltrated water from a gap between a key insertion opening (5) exposing a key insertion section (4) of the cylinder lock (2), and an outer surface of the cylinder lock (2), to a water ejection opening (6) which is opened on a peripheral wall
Data Source
Figure 1(a)~1(b)
Figure 2(a)~2(c)
Figure 3(a)~3(b)
AI summary
A decorative cap member covers a protrusion portion from a door panel of a cylinder lock, which is fixed to the door panel of a vehicle. A water guide channel, which guides infiltrated water from a cap between a key insertion opening and an outer surface of the cylinder lock, to a water ejection opening, which is provided in an open manner in a peripheral wall, is provided in the decorative cap member.