Telescopic Door Railing With Sliding Locking Width Adjustment
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Solution Overview
Problem
Current child guardrails require customization based on door frame measurements, limiting mass production, increasing costs, and reducing flexibility in size adjustments, while fixed width designs complicate packaging and reduce usability.
Innovation Solution
A telescopic door railing system with sliding and rotating connection components, allowing adjustable length adaptation to fit various door frames, facilitating mass production and easy packaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If guardrails are fixedly installed on door frames according to customized measurements, then the guardrail fits the specific door frame size, but the purchase cost increases and mass production cannot be implemented
Solution Approach 1:
The patent applies the dynamics principle by designing a telescopic guardrail system where the rail can extend and retract to different lengths. The main rail and auxiliary rail can slide relative to each other along guide slots, allowing the guardrail to adapt to various door frame widths without customization. This dynamic adjustment mechanism resolves the contradiction between precise fitting and mass production capability.
Solution Approach 2:
The patent implements parameter changes by allowing the guardrail length to be variable rather than fixed. Through the telescopic mechanism with multiple position lockings, the effective length of the guardrail can be changed to match different door frame dimensions. This enables standardization of production while maintaining adaptability to specific installation requirements.
2Manufacturing precision
If guardrails are customized for each door frame, then the installation precision is high, but the installation time and cost increase
Solution Approach 1:
The telescopic mechanism allows quick adjustment of the guardrail length to match different door frame widths. The main rail and auxiliary rail can be extended or retracted as needed, and the position locking components enable rapid securing at the desired position. This eliminates the time-consuming customization process while maintaining precise installation.
3Ease of manufacture
If guardrail width is fixed, then the manufacturing process is simplified, but packaging becomes difficult and usage rate decreases
Solution Approach 1:
The patent employs a dynamic telescopic structure where the guardrail width can be adjusted between minimum and maximum positions. The main rail and auxiliary rail slide along guide slots and can be locked at various intermediate positions, enabling the same standardized product to fit different door frame sizes without compromising manufacturing simplicity.
Solution Approach 2:
The guardrail is divided into modular segments - a main rail and an auxiliary rail that can extend from it. This segmentation allows the auxiliary rail to be positioned at different distances from the main rail, creating variable width configurations. The modular design maintains manufacturing simplicity while achieving versatility.
4Ease of operation
If the guardrail encloses only partial room space, then the installation is simpler, but the child activity range is limited
Solution Approach 1:
The telescopic guardrail can be extended to cover the entire door opening between door frames, maximizing the enclosed space. The adjustable width allows the guardrail to span the full distance when needed, creating a larger safe area for children while maintaining the simplicity of installation through the standardized telescopic 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 versatile installation across different door frame sizes, supports mass production, and simplifies packaging, thereby reducing costs and enhancing usability.
Implementation Method 1
a spring A is provided between the insertion block and handle
Implementation Method 2
a spring B is provided between the handle and button
Implementation Method 3
a shaft on which a spring C is fitted is provided between the connector A and the intermediate member
Implementation Method 4
a spring D is provided between the plug and cap
Data Source
AI summary
The present invention discloses a telescopic door railing, comprising a vertical pole A on which side a main frame is provided; vertical pole B on which side an auxiliary frame is provided; several sliding connection components that are disposed between the main frame and auxiliary frame; and the main rotating connection component that is disposed at the upper end between vertical pole A and main frame. By providing sliding connection components, the present invention connects main frame and auxiliary frame into a telescopic body through a fixed frame, and fixes the main frame and auxiliary frame through the mutual cooperation between screws, nuts, and top plates, so that this product is suitable for different installation environments, can improve product utilization, facilitate mass production by manufacturers and reduce costs, and the entire product having independent components is not limited by the length of door frame, facilitating product packaging.