Vertical Quick Clamp for Adjustable Pump Body Locking
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Solution Overview
Problem
Existing pump body installation devices in ECMO systems lack simplicity and convenience in adjusting the position of the pump body after installation, with complex operations and subjective locking mechanisms that compromise safety and efficiency.
Innovation Solution
A vertical quick clamping and fixing device featuring a locking block with an elastic positioning part that allows direct insertion and rotation for precise positioning, combined with a rotating mechanism and elastic members for easy adjustment and secure locking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional locking mechanism with finger rotation and screwing is used, then the pump body can be secured, but the operation becomes time-consuming and labor-consuming
Solution Approach 1:
The locking mechanism is divided into separate functional components: a limiting piece with a limiting groove for positioning, a rotating piece for actuation, and an elastic member for providing locking force. This segmentation allows each component to perform its specific function efficiently, enabling quick locking without manual screwing while maintaining secure fixation.
Solution Approach 2:
The elastic member is pre-loaded to provide continuous locking force on the locking block. The limiting groove is pre-positioned to guide the elastic member into the correct location. When the rotating piece is actuated, these pre-prepared conditions enable immediate secure locking without requiring time-consuming adjustment or tightening operations.
2Adaptability or versatility
If a traditional fixed installation angle design is used, then the structure is simple, but the pump driving angle cannot be adjusted
Solution Approach 1:
The connection part is designed with rotational freedom, allowing the locking block to be rotated to different angles before being locked by the limiting mechanism. This dynamic capability enables angle adjustment while the limiting piece and rotating piece work together to secure the pump body at the desired orientation, providing versatility without excessive structural complexity.
3Ease of operation
If a T-shaped matching between pump driver and clamp is used, then the connection is straightforward, but alignment becomes difficult when the open groove is small
Solution Approach 1:
The elastic member acts as an intermediary between the limiting groove and the locking block. It provides a flexible connection that can accommodate slight misalignments while maintaining secure locking. The elastic member's deformability allows the system to tolerate manufacturing tolerances and alignment variations without compromising the locking function or requiring high precision.
4Device complexity
If finger tightening is used for locking, then the mechanism is simple, but the tightening degree is subjective and cannot be intuitively felt
Solution Approach 1:
The limiting groove provides visual and tactile feedback when the elastic member engages with it during rotation. The rotating piece has a clear stop position that indicates when locking is complete. This feedback mechanism allows the operator to know precisely when the pump body is securely locked, eliminating the subjectivity of finger tightening while maintaining mechanical simplicity.
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 quick, secure, and intuitive adjustment of the pump body position with reduced operational complexity and enhanced safety through direct insertion and rotation, ensuring stable fixation and easy disassembly.
Implementation Method 1
elastic positioning part is equipped with elasticity and can stretch out and draw back
Implementation Method 2
the rotating piece can enable the limiting piece to move along the axial direction of the rotating piece
Implementation Method 3
a first wave surface is disposed on a side of the limiting member facing the fixing portion, a second wave surface is disposed on a side of the fixing portion facing the limiting member, and the first wave surface and the second wave surface can be engaged
Data Source
Figure 1
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Figure 4
AI summary
A vertical quick clamping fixing device includes: the fixing seat comprises a mounting groove with an upper end opening; the locking block comprises a mounting part, a connecting part and a fixing part, wherein the mounting part is used for being fixedly mounted with a piece to be fixed, and the connecting part is used for connecting the mounting part and the fixing part; the connecting part can extend into the mounting groove from the opening so as to place the fixing part in the fixing seat; the edge of fixed part equidistant is equipped with the spacing groove just the both sides of spacing groove have the guide surface, the fixing base still includes elastic locating part, elastic locating part has elasticity and can stretch out and draw back, so that elastic locating part butt all the time is in the edge of fixed part, just elastic locating part can follow the guide surface that moves in or moves out the spacing groove. The vertical quick clamping and fixing device in the embodiment can adjust the position of the pump body after fixing the pump body.