Retractable baby gate
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Solution Overview
Problem
Existing fabric gates are fixed in structure, leading to issues such as fabric damage from projections, limited applicability due to fixed length, and inability to fit doorways of varying widths.
Innovation Solution
A retractable baby gate design featuring a roller mechanism with a rotating shaft, adjustable length control, and splicing rods for fabric extension and retraction, allowing for adjustable length and easy storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a fixed structure fabric gate is used, then the gate can be stored by winding around a column, but the fixed end creates projections that easily eject the gate fabric, leading to fabric destruction in long-term storage
Solution Approach 1:
The patent transforms the static fixed-end structure into a dynamic retractable structure. The gate fabric is wound around a rolling shaft that can rotate freely within a roller, allowing the fixed end to move dynamically rather than creating rigid projections. This dynamic structure eliminates the harmful projections while maintaining storage functionality.
Solution Approach 2:
The gate fabric is nested around the rolling shaft within the roller structure. The rolling shaft is coaxially arranged in the roller, and the gate fabric winds around the rolling shaft, creating a nested configuration that eliminates external projections and protects the fabric during storage.
2Device complexity
If a fixed length gate is used, then the gate structure is simple, but the gate can only be used for doorways with fixed width, resulting in poor applicability
Solution Approach 1:
The patent implements a retractable mechanism that allows the gate length to be dynamically adjusted. The gate fabric can be extended or retracted by rotating the rolling shaft, transforming the fixed-length constraint into a variable-length capability. This enables the same gate to adapt to different doorway widths without increasing overall structural complexity.
Solution Approach 2:
The patent changes the length parameter of the gate from fixed to variable. By allowing the gate fabric to be extended or retracted, the effective length parameter can be adjusted according to different doorway requirements, significantly improving adaptability while maintaining a compact storage form.
3Adaptability or versatility
If a retractable mechanism with rolling shaft is implemented, then the gate achieves adjustable length and easy storage, but the structure becomes more complex requiring control portions, gears, and locking mechanisms
Solution Approach 1:
The retractable mechanism is designed to be manually operated without requiring complex automated control systems. The user can directly rotate the rolling shaft or use simple hand-operated mechanisms to extend or retract the gate, and the inherent friction and gravity provide natural locking, eliminating the need for complex control portions and locking mechanisms.
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 design enables convenient storage, adjustable length, and wide applicability across different doorway widths, while maintaining safety and convenience for pets and infants.
Implementation Method 1
a roller, mounted on one side of the gate fabric, where a rolling shaft is coaxially arranged in the roller, one end of the gate fabric is fixed to the rolling shaft and winds the periphery of the rolling shaft
Implementation Method 2
a control portion, arranged in the shell to control rotation and locking of the rolling shaft, where the control portion includes a gear coaxially connected to the rolling shaft, a toothed structure capable of engaging with the gear is arranged on one side of the gear
Implementation Method 3
there are a plurality of pieces of gate fabric, and two adjacent pieces of gate fabric are connected by the splicing rod; the splicing rod is provided with two symmetrically formed clamping cavities for clamping the gate fabric on the corresponding sides respectively
Data Source
AI summary
The disclosure belongs to the field of gates and discloses a retractable baby gate. The retractable baby gate includes at least a piece of gate fabric; a roller, mounted on one side of the gate fabric, wherein a rolling shaft is coaxially arranged in the roller, one end of the gate fabric is fixed to the rolling shaft and winds the periphery of the rolling shaft, a longitudinal opening through which the gate fabric comes in and goes out is formed in the peripheral surface of the roller, a shell is fixedly connected to the upper end of the roller, and a base fixedly connected to a mounting fixed surface is connected to the lower end of the shell; and a control portion, arranged in the shell to control rotation and locking of the rolling shaft, wherein the control portion includes a gear coaxially connected to the rolling shaft.