Projector Adjustment Bracket With Gear-Thread Pitch Control
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Solution Overview
Problem
Conventional projector adjustment mechanisms require users to lift the device to adjust the pitch angle or height, leading to inconvenient and inaccurate positioning due to the need for telescopic foot adjustments.
Innovation Solution
An adjustment bracket incorporating a gear transmission and thread system, featuring an adjustment roller, foot, and gear with internal and external threads, allowing for precise adjustment of the projector's pitch angle or height without lifting, with a simple and convenient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a telescopic foot with rotation adjustment is used, then the height and pitch angle of the projector can be adjusted, but the user must lift the projector which makes the adjustment inconvenient and inaccurate
Solution Approach 1:
The patent introduces an intermediary adjustment mechanism consisting of a gear transmission system and thread connection between the support foot and the projector body. This intermediary mechanism allows the foot to be adjusted independently without moving the projector, mediating between the user's adjustment action and the projector's position to achieve accurate positioning without lifting the device.
Solution Approach 2:
The support foot is designed with dynamic adjustment capabilities through a combination of rotational movement (for pitch angle) and telescopic extension (for height). The gear transmission enables smooth rotational adjustment, while the thread connection allows controlled telescopic movement, making the foot dynamically adaptable to different positioning requirements without moving the projector body.
2Adaptability or versatility
If the projector is lifted for adjustment, then the pitch angle or height can be changed, but the placement position deviates which is not conducive to adjustment during projection
Solution Approach 1:
The adjustment function is segmented from the projector body and assigned to the support foot assembly. The foot can be independently adjusted in both pitch angle (through rotation) and height (through telescopic extension), separating the adjustment degree of freedom from the projector's placement position. This segmentation allows the projector to remain stationary while the foot adapts to different positioning requirements, maintaining placement stability while achieving adjustment flexibility.
3Device complexity
If a simple telescopic foot design is used, then the structure is simple, but the adjustment is inaccurate and requires lifting the projector
Solution Approach 1:
The patent merges multiple adjustment functions (pitch angle adjustment through rotation, height adjustment through telescopic extension) into a single integrated support foot assembly. The gear transmission system and thread connection are combined within the foot structure, allowing both rotational and telescopic adjustments to be made at the foot level without complicating the overall projector structure. This merging approach maintains structural simplicity while achieving precise adjustment capabilities.
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 accurate and efficient adjustment of the projector's position, improving the display effect by allowing for precise control of the pitch angle and height without the need for lifting the device, enhancing user convenience and accuracy.
Implementation Method 1
an adjustment gear is fixed to the adjustment roller, the adjustment gear is engaged with the adjustment foot gear
Implementation Method 2
the adjustment foot gear is provided with internal threads at a center position thereof, the adjustment foot is provided with external threads on an outer wall thereof, and the adjustment foot and the adjustment foot gear are connected through a screw joint of the internal threads and the external threads
Data Source
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AI summary
The present disclosure provides an adjustment bracket and a projector, and relates to the technical field of projection devices. The adjustment bracket includes: an adjustment roller; an adjustment foot; and an adjustment foot gear. An adjustment gear is fixed to the adjustment roller, the adjustment gear is engaged with the adjustment foot gear, internal threads are provided at a center position of the adjustment foot gear, an outer wall of the adjustment foot is provided with external threads, and the adjustment foot is connected to the adjustment foot gear by the internal threads and the external threads. A pitch angle or height of an electronic device such as a projector can be adjusted by a combination of a gear transmission and threads, and a structure thereof is simple and an operation thereof is convenient.