Single Screw Fixture for Cylinder Position Switch
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Solution Overview
Problem
Existing position detecting switch fixtures for fluid pressure cylinders require cumbersome two-screw clamping, are prone to damaging the switch due to strong clamping forces, and lack flexibility in accommodating different switch shapes.
Innovation Solution
A fixture using a single clamping screw with adjustable clamping positions and a holder that allows fine adjustment of the position detecting switch, preventing excessive clamping and enabling compatibility with multiple switch shapes through exchangeable holders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If two clamping screws are used to fix the mounting band and position detecting switch, then the fixing reliability is improved, but the mounting complexity and time consumption increase
Solution Approach 1:
The patent combines the functions of fixing the mounting band and fixing the position detecting switch into a single clamping screw mechanism. The clamping screw simultaneously secures both components, eliminating the need for separate fastening operations and reducing mounting complexity while maintaining reliable fixation.
Solution Approach 2:
The single clamping screw serves multiple functions: it clamps the mounting band to the cylinder tube, secures the holder to the mounting band, and fixes the position detecting switch in place. This multi-functional design simplifies the overall mounting process while ensuring reliable fixation of all components.
2Stability of the object's composition
If strong clamping force is applied by the mounting band, then the fixing stability is improved, but the position detecting switch may be damaged or its detection property affected
Solution Approach 1:
The holder acts as an intermediary component between the mounting band and the position detecting switch. It distributes the clamping force from the mounting band across a larger area and prevents direct concentration of force on the switch body, thereby maintaining fixing stability while protecting the switch from damage.
Solution Approach 2:
The holder is designed with specific local structures that provide controlled clamping points. These localized features ensure that clamping force is applied only where structurally appropriate, protecting the sensitive detection components of the switch while maintaining secure fixation.
3Manufacturing precision
If the position detecting switch is firmly clamped to achieve stable positioning, then the positioning accuracy is improved, but the switch may be subjected to excessive force
Solution Approach 1:
The holder serves as a mediator that enables precise positioning of the switch while absorbing and distributing clamping forces. It provides a rigid mounting interface for accurate positioning but is designed to protect the switch from excessive forces during installation and operation.
4Productivity
If a single clamping screw is used to simplify mounting, then the mounting efficiency is improved, but the independent adjustment of clamping forces becomes difficult
Solution Approach 1:
The mounting system is segmented into distinct functional zones along the clamping screw: the first portion clamps the mounting band to the cylinder tube, the second portion secures the holder, and the third portion fixes the position detecting switch. This segmentation allows each component to be independently positioned and secured while using a single screw, maintaining both efficiency and adjustability.
Data Source
AI summary
A position detecting switch fixture for cylinder, having a pair of clamping reinforced plates at both ends of a mounting band, and clamping/holding a position detecting switch between these plates by a clamping screw. A holder is installed between the pair of clamping reinforced plates to clamp the position detecting switch. The clamping screw has the following clamping positions: a first clamping position where, due to the clamping of the pair of clamping reinforced plates, the base ends of the clamping reinforced plates adjacent to a cylinder tube approach each other, whereby the mounting band is temporarily fixed to the cylinder tube but the switch is not fixed; a second clamping position where, due to subsequent clamping, the switch is fixed to the holder; and a third clamping position where, due to further clamping, clamping restriction sections provided in the holder abut against each other to restrict still further clamping.