Bubble Level Mount With Adjustable Tilt and Vibration Isolation
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Solution Overview
Problem
Existing attaching mechanisms for bubble levels on balances are prone to displacement due to impact and vibration, especially in the vertical direction, leading to changes in horizontal state, which is problematic for precise weighing applications.
Innovation Solution
An attaching mechanism for a bubble level on a balance that includes a level with a bubble chamber, a fixation base with a convex support, a ring-shaped elastic body, and rotating members to allow adjustable tilt and absorption of vertical impacts and vibrations, maintaining horizontality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the level is fixed horizontally to the balance case using adhesive agent or plaster, then the level is securely attached, but the horizontal state cannot be readjusted once fixed
Solution Approach 1:
The patent applies the dynamics principle by replacing the static adhesive fixation with a dynamic adjustment mechanism. The level is mounted on a rotating member that can be rotated to adjust the tilt of the level in predetermined directions. This allows the level to transition from a fixed state to an adjustable state, enabling horizontal readjustment while maintaining secure attachment through the rotating member structure.
2Adaptability or versatility
If the level is attached with adjustable tilt mechanism, then horizontal readjustment is possible, but impact and vibration in vertical direction cause greater displacement of level portions and change horizontal state
Solution Approach 1:
The patent applies beforehand cushioning by introducing a damping member between the rotating member and the level. This damping member is specifically designed to absorb impact and vibration in the vertical direction before these forces can affect the level's horizontal state. The cushioning action prevents the transmission of vertical shocks that would otherwise cause differential displacement of level portions and alter the horizontal alignment.
3Object-affected harmful factors
If coil springs are used to absorb vertical impact and vibration, then some protection is provided, but differences in resilience between springs cause unequal absorption and level displacement
Solution Approach 1:
The patent applies homogeneity by using a single damping member with uniform properties rather than multiple coil springs with potentially different resilience characteristics. The damping member provides consistent vibration absorption across all attachment points, ensuring equal protection against vertical impacts. This homogeneous approach eliminates the problem of differential absorption that occurs when multiple springs with varying resilience are used, thereby maintaining the level's horizontal state more reliably.
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 horizontal readjustment and stable support of the level, absorbing vertical impacts and vibrations to prevent displacement and maintain horizontality, ensuring accurate weighing even under adverse conditions.
Implementation Method 1
a ring-shaped elastic body supported on the convex support portion... absorbing the impact and vibration particularly in the vertical direction
Data Source
AI summary
Provided is a mechanism for attaching a bubble level to a balance, configured to enable horizontal readjustment of the level after the level is attached, and even when an impact and vibration are applied to the balance after the horizontal adjustment, can prevent a portion of the level from being more greatly displaced in the vertical direction than the other portion, thereby maintaining the horizontality. A level (11) having a bubble chamber formed of a container (14) containing a bubble sealed together with liquid is supported on a convex support portion (33) of a fixation base (31) provided on the balance to be tiltable in all directions via a ring-shaped disc spring (41), and is attached such that the tilt of the level (11) is adjustable by a plurality of male screws (42a) that are displaceable in axial directions according to a rotation direction and a rotation amount for adjusting the tilt of the level (11).