Door Closing Profile With Segmented Flexible Wings
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Solution Overview
Problem
Existing door assemblies require high pressure to open due to the design of bumper and abutment profiles, which also allow light to pass through, compromising privacy, and lack an integrated ventilation system that is visible from outside.
Innovation Solution
A door assembly with circumferential profiles featuring a flexible member divided into two independently bendable wings for reduced opening pressure and an integrated ventilation system hidden within the profiles to prevent light penetration, allowing air flow while maintaining aesthetic integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the concave recess snugly fits in the convex projection to ensure proper sealing, then the door closing function is improved, but the pressure needed to open the door becomes very high
Solution Approach 1:
The flexible member is divided into two separate wings that can bend independently. When the door is opened, only one wing needs to bend to release the convex projection from the concave recess, rather than requiring the entire flexible member to deform. This segmentation reduces the force required to open the door while maintaining effective sealing when closed.
2Ease of operation
If the concave recess and convex projection are positioned to reduce opening pressure by creating a small gap, then the ease of operation is improved, but light can shine through the gap compromising privacy
Solution Approach 1:
A flexible member is used to bridge the gap between the door and door frame. This flexible element can deform to allow door opening while maintaining visual privacy by blocking light. The flexibility enables it to accommodate the reduced gap needed for easy opening without compromising the privacy function.
3Adaptability or versatility
If traditional ventilation systems are added to the door assembly, then air flow capability is improved, but the device complexity and visual appearance are worsened
Solution Approach 1:
The ventilation system is integrated directly into the circumferential profile that already forms part of the door assembly. The profile includes both the sealing function (with convex/concave elements) and the ventilation function (with perforations) combined in a single structural component. This merging eliminates the need for separate ventilation systems and reduces overall device complexity.
Solution Approach 2:
The circumferential profile serves multiple functions simultaneously: it provides structural support, enables door sealing through convex/concave elements, and facilitates ventilation through integrated perforations. This multi-functionality reduces the number of separate components needed and simplifies the overall door assembly structure.
4Ease of operation
If the flexible member is made highly flexible to reduce opening pressure, then the ease of operation is improved, but wear on the flexible member increases
Solution Approach 1:
By dividing the flexible member into two wings, the design reduces the total deformation required during door operation. Only one wing bends at a time, reducing cumulative wear compared to a single flexible member that would need to bend fully each time the door is opened and closed.
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 solution reduces the pressure needed to open the door, minimizes wear on components, and provides a hidden ventilation system that maintains the door's appearance while ensuring air flow between rooms.
Implementation Method 1
a flexible member (3) connected to the mounting member (2), wherein the flexible member (3) is divided into two wings (4, 4') which are bendable independently from each other towards the mounting member (2)
Data Source
Figure 1A~1F
Figure 2A~2C
Figure 3A~3C
AI summary
The present invention relates to a closing profile (1) provided for mounting on a door assembly, the closing profile comprising a mounting member by means of which the closing profile is mounted to one member of the door assembly and a flexible member connected to the mounting member, the flexible member being shaped for engaging a complementary edge part (13) on the other member of the door assembly (93), the closing profile (1) comprising a hollow space to enable the flexible member to deform resiliently towards the mounting member upon opening the door, characterized in that the flexible member is longitudinally divided into two wings (4, 41), each being provided for engaging the complementary edge part (13) and maintaining the closed position in one direction of opening the door, the wings being bendable independently from each other towards the mounting member.