Horizontal Linear Vibrator With Integrated Spring Feet Mounting
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Solution Overview
Problem
Conventional horizontal linear-vibration generating apparatuses face challenges such as increased part count, higher production costs, reduced durability due to welding, and difficulty in achieving compact size due to separate parts used for stoppers and frames.
Innovation Solution
The apparatus integrates spring feet onto elastic bodies to mount the vibrator, eliminating the need for separate frames and stoppers. This configuration enhances durability, reduces production costs, and allows for a more compact design by utilizing parts of the vibrator and stator to form the stoppers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate frames and stoppers are used to mount weighted bodies and magnets, then the apparatus can be assembled with standardized components, but the part count increases and production cost rises
Solution Approach 1:
The patent combines the frame and stopper functions into a single integrated elastic body structure. The elastic body simultaneously serves as the mounting frame for weighted bodies and magnets, and as the stopper to limit vibration amplitude, eliminating the need for separate frame and stopper components.
Solution Approach 2:
The elastic body is designed to perform multiple functions: it provides elastic support for vibration, acts as a stopper to limit amplitude, and serves as the mounting structure (frame) for securing weighted bodies and magnets. This multi-functional design reduces overall part count while maintaining manufacturing ease.
2Strength
If elastic bodies are welded to the frame to mount weighted bodies and magnets, then secure connection is achieved, but fatigue fractures and cracks occur in welding areas due to repeated loads
Solution Approach 1:
The patent removes the welding process from the connection method. Instead of welding elastic bodies to a separate frame, the design extracts the mounting function directly into the elastic body structure itself, which naturally holds weighted bodies and magnets through its geometric configuration without requiring welding joints.
Solution Approach 2:
The elastic body is designed as a non-welded, replaceable component that can be easily manufactured and installed. While individual elastic bodies may have limited service life, their simplicity and lack of welding make them easy to replace, maintaining overall system reliability without the durability issues of welded connections.
3Reliability
If separate stoppers are used to limit vibration amplitude, then protection against damage and abnormal noises is provided, but more space is required and compact design becomes difficult
Solution Approach 1:
The stopper function is merged with the elastic body structure. The same elastic elements that provide vibration support also serve as stoppers through their physical geometry, eliminating the need for separate stopper components and reducing overall device volume.
Solution Approach 2:
The elastic body performs dual functions: providing elastic support for controlled vibration and acting as a mechanical stopper to limit amplitude. This multi-functionality allows protection against damage without requiring additional space for separate stopper mechanisms.
4Stability of the object's composition
If a frame structure is used to connect weighted bodies and magnets to elastic bodies, then stable mounting is achieved, but production cost increases and miniaturization becomes difficult
Solution Approach 1:
The frame structure is merged with the elastic body itself. The elastic body's geometric configuration provides the mounting structure directly, eliminating the need for a separate frame component while maintaining stable mounting of weighted bodies and magnets.
Solution Approach 2:
The elastic body simultaneously provides mounting stability, vibration support, and amplitude limitation functions. This consolidation into a single component reduces production cost and enables miniaturization by eliminating the need for additional frame structures.
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 integrated design improves vibration characteristics and response speed by concentrating magnetic force and reducing air resistance, while also addressing durability and cost issues, enabling more efficient and compact vibration generation.
Implementation Method 1
generates vibrations by shaking the weighted body in a horizontal direction with a force (Lorenz force) according to an interaction between an electric field generated by a coil and a magnetic field by a permanent magnet
Implementation Method 2
corrugated elastic bodies 500 provided to elastically support shaking in the horizontal direction of the vibrator 400 with respect to the stator 300
Data Source
AI summary
A horizontal linear-vibration generating apparatus that includes: a case coupled to a bracket so as to provide mounting space therein; a stator mounted in the mounting space and including a coil-yoke unit electrically connected to a circuit substrate on the bracket; a vibrator having magnets corresponding to the coil-yoke unit and weighted bodies configured to amplify vibration and vibrating in a first direction with respect to the stator in the mounting space; and first and second springs correspondingly provided between the case and the vibrator and elastically supporting a shaking motion of the vibrator in the first direction with respect to the stator in the mounting space, at opposite sides of the vibrator, where the first spring and the second spring are integrally provided with first and second spring feet, respectively, for mounting the vibrator.