Actuator Drive Sleeve Coupling for Tool-Free Valve Mounting
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Solution Overview
Problem
Existing actuators for HVAC applications are complex to install due to the need for manual adjustment of angular position and space constraints, requiring additional tools and complicating the mounting process.
Innovation Solution
An actuator design with a drive sleeve that can be coupled to a drive pin in multiple positions, allowing torque transmission in one position and freewheeling in another, enabling tool-free angular adjustment and flexible installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of angular position is required during installation, then the actuator can be positioned correctly, but the installation process becomes complex and requires additional tools
Solution Approach 1:
The coupling mechanism transitions from a fixed single-position design to a dynamic multi-position design, allowing the drive sleeve to be coupled to the drive pin at different angular positions. This enables the actuator to be installed in various orientations without requiring manual angular adjustment, directly resolving the contradiction between ease of installation and device complexity
Solution Approach 2:
The actuator is designed with universal adaptability through multiple coupling positions, allowing it to function correctly regardless of installation orientation. The drive sleeve can be coupled to the drive pin in at least two different angular positions, making the actuator universally applicable to different installation scenarios without requiring additional adjustment tools or procedures
2Adaptability or versatility
If the actuator is mounted at different angles relative to the damper or valve, then space constraints are accommodated, but the installation complexity increases
Solution Approach 1:
The coupling mechanism allows dynamic positioning at multiple angular orientations, enabling the actuator to be mounted at different angles relative to the damper or valve body. This dynamic coupling capability provides installation flexibility to accommodate various space constraints while maintaining a simple mounting procedure without additional adjustment steps
3Productivity
If tool-free angular adjustment is implemented, then installation efficiency is improved, but the coupling mechanism must support multiple positions
Solution Approach 1:
The coupling mechanism is designed with dynamic multi-position capability, allowing the drive sleeve to be coupled to the drive pin at different angular positions without requiring tools for adjustment. This dynamic design enables installers to directly position the actuator at the correct angle during installation, significantly improving installation efficiency while the complexity is managed through the inherent design of the coupling elements
Solution Approach 2:
The actuator enables self-adjustment during installation through its multi-position coupling mechanism. The drive sleeve can be manually positioned and coupled to the drive pin at the appropriate angular position without requiring external adjustment tools or complex procedures, allowing the installation process to be self-service oriented and improving overall installation efficiency
Data Source
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AI summary
The invention relates to an actuator (1) for an (air) flap or a valve (100) for adjusting a gaseous or liquid volume flow. The actuator (1) has a drive unit (2) received in or on a base body of the actuator (1) and an output-side actuating element (4), wherein the actuating element (4) has an actuating sleeve (6) rotatably arranged about an actuating axis (5) for actuating the (air) flap or the valve (100). The drive sleeve (6) can be coupled to a rotatable drive pin (106) of the (air) flap or valve (100) by inserting the drive pin (106) into the drive sleeve (6) in such a way that in a first coupling position a torque can be transmitted from the drive sleeve (6) to the drive pin (106), while in a second coupling position no torque can be transmitted from the drive sleeve (6) to the drive pin (106).The various coupling positions significantly simplify the mounting of the actuator (1) on the (air) flap or on the valve (100).