Compensating Mechanism for Sight with 360-Degree Rotation

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Solution Overview

Problem

Conventional compensating mechanisms with a 'zero stop' function restrict the adjusting cap to rotate less than 360 degrees, making it inconvenient for users to adjust bullet impact points for new targets at different distances.

Innovation Solution

The compensating mechanism includes a base, an adjusting unit, an adjusting cap, and a stop unit with a sliding element and limiting slot, allowing the adjusting cap to rotate 360 degrees in a single direction and then switch to a reverse direction, enabling full rotation and easy resetting to the zero-point position.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a stop element (e.g. a pin) is used to achieve the 'zero stop' function, then the adjusting cap can be stopped at the zero-point position, but the adjusting cap can only be rotated through an angle less than 360 degrees relative to the zero-point position

Engineering Contradiction:

Improvezero-point positioning accuracyVSAvoidadjusting cap rotation range

Core Design Contradiction:

Measurement precisionVSEase of operation

Solution Approach 1:

The stop unit is segmented into multiple limiting elements (first limiting element, second limiting element) with different limiting portions (first limiting portion, second limiting portion). These segmented limiting portions are positioned at different locations to provide different rotation limits, allowing the adjusting cap to rotate through different angular ranges depending on which limiting portion is engaged.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The stop unit dynamically switches between different limiting states. When the adjusting cap is rotated in the first direction, the first limiting element engages the first limiting portion to allow rotation up to a first angle. When rotated in the second direction, the second limiting element engages the second limiting portion to allow rotation up to a second angle. This dynamic switching enables the adjusting cap to achieve different rotation ranges based on the direction of rotation.

Inventive Principle:

Principle #15Dynamics

2Measurement precision

If the adjusting cap is constrained by the stop element, then the 'zero stop' function is achieved, but it becomes difficult to adjust the compensating mechanism back to the zero-point-set state when correcting bullet impact points for new targets

Engineering Contradiction:

Improvezero-point position accuracyVSAvoidtime to reset to zero-point position

Core Design Contradiction:

Measurement precisionVSLoss of time

Solution Approach 1:

The stop unit is pre-configured with multiple limiting elements and limiting portions positioned at specific locations. This preliminary arrangement ensures that when the adjusting cap is rotated, it will automatically engage the appropriate limiting portion to stop at the correct angular position, eliminating the need for users to manually count rotations or remember the number of adjustments made.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The limiting elements and limiting portions provide tactile feedback to the user when the adjusting cap reaches the predetermined angular positions. This feedback mechanism allows the user to know when the adjusting cap has reached the zero-point position or other predetermined positions, enabling quick and accurate resetting without time-consuming manual counting or calculation.

Inventive Principle:

Principle #23Feedback

3Reliability

If the adjusting cap rotates less than 360 degrees, then the stop element can constrain the rotation, but this structure is inconvenient for users to operate

Engineering Contradiction:

Improverotation constraint reliabilityVSAvoiduser convenience

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The stop unit is designed to serve multiple functions: it provides rotation constraint in both clockwise and counter-clockwise directions, enables the adjusting cap to rotate through different angular ranges (less than 360 degrees and more than 360 degrees), and provides tactile feedback for positioning. This multi-functionality is achieved through the combination of multiple limiting elements and limiting portions positioned at different locations.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS10337831B2Sight and compensating mechanism thereof

Publication Date: 2019.07.02 SINTAI OPTICAL SHENZHEN CO LTD

AI summary

A compensating mechanism includes a base, an adjusting unit, an adjusting cap and a stop unit. The adjusting unit is disposed on the base. The adjusting cap is configured to move the adjusting unit with respect to the base so as to form a first circumferential movement range. The stop unit includes a sliding element and a limiting element, wherein the limiting element includes a movement region, and the adjusting cap is configured to move the sliding element along the movement region so as to form a second circumferential movement range. A sum of a first central angle corresponding to the first circumferential movement range and a second central angle corresponding to the second circumferential movement range is a fixed value. The invention also provides a sight, wherein the sight includes a main body, an objective unit, an ocular unit, an inner lens barrel and the compensating mechanism.