Shower Door Adjustment Assembly Using Cam-Driven Elastic Locking
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Solution Overview
Problem
Existing shower door assembly methods require multiple people and are time-consuming, with potential damage to aluminum frames during drilling, and do not allow for smooth opening or closing due to non-vertical wall surfaces.
Innovation Solution
A shower door assembly with a stationary frame, a movable frame, and an adjustment assembly featuring an arc-shaped elastic element, a cam mechanism, and a locking device that allows for quick adjustment and locking without the need for drilling, using a cam mechanism to flatten the elastic element for engagement with the adjustment device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If drilling is used to connect stationary and movable frames, then the connection is secure, but the operation is time-consuming and requires at least two people to cooperate
Solution Approach 1:
The patent replaces the traditional drilling and fastening mechanical system with a cam mechanism that uses rotational motion to compress an elastic element, which then expands to lock the adjustment device in place. This substitution eliminates the need for drilling operations and enables single-person assembly while maintaining secure connection.
Solution Approach 2:
The patent utilizes parameter changes in the elastic element, which transitions from a compressed state during assembly to an expanded locked state. The cam mechanism transforms rotational motion into linear compression, changing the elastic element's dimensional parameters to achieve locking without drilling.
2Reliability
If drilling is used to connect frames, then the connection is secure, but the aluminum frame surfaces may be inadvertently damaged
Solution Approach 1:
The patent replaces the drilling mechanical system with a cam-based compression and expansion mechanism. The elastic element is compressed by the cam and then expands to engage with the adjustment device, creating a secure connection without contact that could damage the aluminum frame surface.
Solution Approach 2:
The elastic element acts as an intermediary between the cam mechanism and the adjustment device. It transfers the locking force without requiring direct contact between the cam and the adjustment device, thereby preventing surface damage while maintaining connection security.
3Ease of operation
If the wall surface is not vertical, then the door may not open or close smoothly, but adjusting the distances requires traditional drilling and fastening methods
Solution Approach 1:
The patent introduces a dynamic adjustment mechanism where the distance between the movable and stationary frames can be adjusted before final locking. The cam mechanism allows for dynamic positioning during assembly, enabling smooth door operation on non-vertical walls while maintaining a relatively simple overall device structure.
Solution Approach 2:
The patent implements preliminary adjustment capability before the final locking action. The adjustment device can be positioned at different distances from the stationary frame during assembly, allowing preliminary alignment adjustments to ensure smooth door operation, and then locked in place using the cam mechanism.
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 fast and secure assembly and adjustment of shower doors with minimal force, preventing damage to frames and allowing for precise alignment, even on non-vertical walls, while reducing the need for multiple people.
Implementation Method 1
a driving device comprising a cam mechanism and a sliding element in the first cavity, the sliding element has one end in contact with the pressing element and the other end sliding along with the inclined surface when driven by the cam mechanism
Implementation Method 2
an elastic element disposed between the blocking element and the pressing element being located in the first cavity, the elastic element being arc-shaped when unlocked
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A shower door assembly is provided comprising at least one adjustment assembly having an adjustment device and a locking device. The locking device comprises a blocking element, a pressing element and an elastic element disposed between the blocking element and the pressing element. The elastic element is arc-shaped when unlocked. An inclined surface is formed projecting to the blocking element. The sidling element is actuated to slide along the inclined surface by the actuation of the cam mechanism and to push the pressing element to move toward the blocking element. The curvature of the elastic element is thus reduced until it engages with the adjustment device. a driving device comprising a cam mechanism and a sliding element in the first cavity, the sliding element has one end in contact with the pressing element and the other end sliding along with the inclined surface when driven by the cam mechanism so as to push the pressing element toward the blocking element, and thus reduce the curvature of the arc-shaped elastic element until the elastic element is engaged with the adjustment device. The adjustment device can achieve fast assembling and adjustment of the shower door and, in the meantime, is able to lock and release by minimum force.