Rotating Rod Stand Clamp for Adjustable Clamping Torque
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional stand clamps are difficult to use for individuals with limited strength due to their knob-based screwing-lock mechanism, which can lead to instability and potential instrument drops during performance.
Innovation Solution
A stand clamp design featuring a rotating rod with a ratchet mechanism that allows for easy force application and adjustment, including a bolt, pressing plate, and resetting assembly, enabling the rotating rod to freely rotate to a suitable angle and then lock into place, reducing the clamping area and securing the instrument to the stand.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the screwing-lock part is lengthened to increase torque for easier clamping, then the ease of operation is improved, but the device occupies more space and becomes harder to store
Solution Approach 1:
The screwing-lock part is designed with a rotatable rod that can dynamically adjust its orientation and position. The rod can rotate to different angles during operation to provide optimal leverage, and can be repositioned when not in use to minimize space occupation. This dynamic adaptability resolves the contradiction between needing length for torque and needing compactness for storage.
Solution Approach 2:
Instead of simply extending the screwing-lock part in one dimension, the invention introduces rotational freedom in another dimension (angular orientation). The rod can rotate around the bolt axis and adjust its angle, providing multiple directions for force application. This dimensional change allows the mechanism to achieve long lever arm benefits when needed while maintaining compact form factor for storage.
2Device complexity
If a conventional knob structure is used for the screwing-lock part, then the device complexity is reduced, but the ease of operation deteriorates for individuals with limited strength
Solution Approach 1:
The screwing-lock part transitions from a static knob to a dynamic rotatable rod mechanism. The rod can rotate to optimal positions and adjust its angle during the clamping process, providing mechanical advantage that reduces the effort needed. This dynamic capability significantly improves ease of operation while maintaining reasonable structural complexity through the use of simple rotational joints and positioning features.
3Volume of moving object
If the screwing-lock part is made shorter for compact storage, then the volume is reduced, but the torque decreases making clamping difficult
Solution Approach 1:
The invention compensates for the reduced length in one dimension by introducing rotational freedom in another dimension. The short rod can rotate to create an effective lever arm in multiple directions, and can be positioned at optimal angles to maximize torque generation. This allows the mechanism to achieve sufficient clamping force with a compact structure that occupies minimal storage space.
Solution Approach 2:
The rod can be pre-positioned and pre-oriented to optimal angles before the clamping action begins. This preliminary positioning ensures that when the clamping force is applied, the rod is already in the most advantageous configuration for generating maximum torque, compensating for its shorter length and enabling effective clamping with minimal storage footprint.
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 allows for easy and secure attachment of musical instruments by enabling the selection of a suitable force application angle, preventing instrument drops and allowing for easier storage by lengthening the mechanism when not in use.
Implementation Method 1
the rotating rod is provided with a ratchet which is engaged with the ratchet wheel section correspondingly at the reset position. When the rotating rod rotates to drive the bolt to rotate, the ratchet mechanism enables unidirectional motion conversion
Implementation Method 2
a compression spring is provided inside the variable gap in a compressed manner... the rotating rod can return to the reset position by using the resetting assembly, such that the ratchet is engaged with the ratchet wheel section
Implementation Method 3
the pressing plate presses the movable part to rotate to reduce the clamping area and to be locked and fixed to the stand
Data Source
AI summary
The stand clamp with ease of force application comprises a fixed part, a movable part and a screwing-lock part. The movable part is pivotally coupled to the fixed part. The screwing-lock part includes a bolt, a pressing plate, a rotating rod and a resetting assembly, wherein two ends of the bolt are provided with a threaded section and a ratchet wheel section respectively. Further, the rotating rod slips with respect to the bolt to form a reset position and an actuating position. The resetting assembly is linked to the bolt and the rotating rod, such that the rotating rod is in the reset position under an ordinary state. In addition, the rotating rod can freely rotate with respect to the bolt at the actuating position. Therefore, an operator can freely change the position of the rotating rod and apply a force with a most suitable application angle.