Pivot Joint Acceleration Device Reducing Play
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Solution Overview
Problem
Existing acceleration and deceleration devices exhibit play when coupled with drivers, leading to inefficiencies in movement control and precision, particularly in applications like sliding doors and drawers.
Innovation Solution
The device incorporates a guide part and a securing part connected via a pivotable joint, with a carrier stop and an actuating element for the delay device, utilizing guide links and a cylindrical piston unit to minimize play through precise alignment and energy management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a driver element is coupled to a driver in existing acceleration and deceleration devices, then the device can perform acceleration and deceleration functions, but play is introduced between the driver element and the driver, reducing movement control precision
Solution Approach 1:
The driver element is divided into a guide part and a securing part that can pivot relative to each other. This segmentation allows the guide part to follow the driver's movement precisely while the securing part engages with driving stops to eliminate play, resolving the contradiction between coupling simplicity and movement control precision.
Solution Approach 2:
The pivotable joint between the guide part and securing part introduces dynamic adaptability. The joint allows the securing part to pivot into engagement with the driving stops during operation, dynamically eliminating play while maintaining simple coupling. This dynamic mechanism resolves the contradiction by allowing the system to transition from a simple coupled state to a precise controlled state during operation.
2Manufacturing precision
If the securing part is made pivotable relative to the guide part, then play is reduced through precise alignment, but the device complexity increases due to additional pivot joints and alignment requirements
Solution Approach 1:
The guide part and securing part are merged into a single integrated driver element assembly that couples to the driver as one unit. This merging allows the pivotable joint to achieve precise alignment without requiring separate adjustment mechanisms, reducing overall device complexity while maintaining high alignment precision.
Solution Approach 2:
The pivotable joint is designed to self-align and self-eng age with the driving stops through the natural movement of the driver. The geometry of the joint and stops works together to automatically achieve precise alignment during operation without requiring external adjustment or complex control systems, thereby reducing device complexity while maintaining manufacturing precision.
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
This configuration reduces play between the driver element and the driver, ensuring precise movement and reduced jerking, allowing for smooth acceleration and deceleration of doors or drawers without residual speed, enhancing operational efficiency.
Implementation Method 1
a repeatably chargeable and dischargeable energy store (121), which is charged when the driver element (71) is in the parking position (11) and discharged when the driver element (71) is in the end position (12)
Implementation Method 2
The combined acceleration and deceleration device (10) comprises a carrying and guiding device (30) with a cylinder-piston unit (41)
Implementation Method 3
The entrainment element comprises a guide part (81) and a securing part (101) connected to one another by means of a pivotable joint (75)
Data Source
Figure 1~2
Figure 3~5
Figure 6~9
AI summary
The invention relates to a combined acceleration and deceleration device comprising: a follower element that is guided, in a supporting and guiding device, between a force-fittingly and/or form-fittingly secured park position, and an end position, said follower element comprising at least two follower stops; an energy store arranged on the supporting and guiding device and on the follower element, which store can be charged and discharged repeatedly, being charged when the follower element is positioned in the park position and discharged when the follower element is positioned in the end position; and an actuation element of the deceleration device, connected to the follower element; as well as a system with a tractive and braking device pair. The follower element comprises a guiding part and a securing part which is connected to, and can be pivoted in relation to, said guiding part. The guiding part and the securing part each have at least one follower stop. The energy store is arranged on the securing part, and the actuation element of the deceleration device is arranged on the guiding part. The invention allows the play of an acceleration and deceleration device to be reduced when in use.