Pet Cage Door Locking Apparatus with Integrated Vertical Lock Bar
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Solution Overview
Problem
Conventional pet cage doors have complex structures with numerous parts and components, leading to low production efficiency and high production costs.
Innovation Solution
A novel pet cage door design featuring a simple structure with a compact locking apparatus consisting of a housing with a vertically moving lock bar, a reset spring, and a rotating lock bar retaining member, which requires fewer parts and easier assembly, ensuring secure locking and convenient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional locking apparatus is used in pet cage doors, then the door can be securely locked, but the structure becomes complex with many parts and components, leading to low production efficiency and high production costs
Solution Approach 1:
The patent combines multiple locking functions into a single integrated locking bar that can perform both locking and unlocking operations. The locking bar integrates the functions of multiple separate components into one element, reducing the total number of parts while maintaining secure locking capability. This merging approach directly addresses the contradiction by simplifying the structure without compromising reliability.
Solution Approach 2:
The locking bar is designed as a multi-functional component that can lock the door in multiple positions and also serve as the operating mechanism for unlocking. By making the locking bar universal in its functions, the patent eliminates the need for separate locking and unlocking mechanisms, thereby reducing structural complexity while ensuring reliable door security.
2Reliability
If a conventional locking apparatus with many parts is used, then the door can be securely locked, but the number of assembly procedures increases, resulting in low production efficiency
Solution Approach 1:
By merging multiple locking functions into a single locking bar component, the patent significantly reduces the number of assembly steps required during manufacturing. Instead of assembling multiple separate locking components, workers only need to install and configure the integrated locking bar, thereby improving production efficiency while maintaining secure locking functionality.
3Device complexity
If a simple locking structure is used, then production efficiency increases and costs decrease, but the risk of misoperation increases and security may be compromised
Solution Approach 1:
The locking bar is designed with dynamic movement capabilities, allowing it to transition between locked and unlocked states through controlled motion. This dynamic design enables a simple structure to achieve reliable security by using the locking bar's movement path and positioning features to prevent accidental operation while maintaining ease of manufacture and assembly.
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 results in a cost-effective, easy-to-assemble pet cage door with enhanced security, preventing misoperation and ensuring the pet remains securely locked during travel.
Implementation Method 1
a reset spring (35) which pushes the vertical lock bar (32) to an initial position
Implementation Method 2
a lock bar retaining member (34) capable of rotating relative to the housing (31)... the lock bar retaining member (34) includes a rotation portion (341) and a retaining portion (342) raised on the rotation portion (341)
Data Source
AI summary
The present invention discloses a novel pet cage door, including a door frame and a switch door capable of rotating relative to the door frame so as to be opened and closed. A locking apparatus is disposed between the switch door and the door frame, and the locking apparatus includes a housing disposed on the switch door. The present invention has a simple structure and requires low costs.