Ultrasonic Flow Measurement Device With Horizontal Locking Cover
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Solution Overview
Problem
Existing ultrasonic flow measurement devices are prone to unintentional opening of the top cover due to accidental activation of the press-type latch, disrupting the measurement process.
Innovation Solution
The device employs a horizontal insertion mechanism combining sliding and rotational structures, using a pin shaft and latch plate, with optional side plates, a return spring assembly, and a baffle to stabilize the connection between the top cover and housing, requiring horizontal displacement to disengage the latch before opening.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a press-type latch is arranged on the side of the housing for connecting the top cover, then the connection structure is simple, but the top cover is prone to accidental activation and unintentional opening
Solution Approach 1:
The latch mechanism is repositioned from a side-mounted configuration to a top-mounted configuration. The latch plate on the top cover engages with the latch groove on the top surface of the housing, changing the spatial dimension of the connection. This dimensional change prevents accidental activation while maintaining structural simplicity.
Solution Approach 2:
Instead of having the latch protrude outward from the side (conventional approach), the latch groove is formed on the top surface of the housing and the latch plate engages from above. This inverted configuration makes the latch less susceptible to accidental activation from side contacts while improving connection reliability.
2Device complexity
If the latch plate is directly connected to the top cover without additional structures, then the structure is simple, but the anti-accidental opening capability is insufficient
Solution Approach 1:
The latch plate is extended perpendicularly from the top cover surface to form a connecting plate structure. This vertical extension creates a two-dimensional engagement surface that interfaces with the horizontal latch groove on the housing, providing mechanical advantage and preventing accidental disengagement.
Solution Approach 2:
The connecting plate structure is pre-configured with the latch plate extending perpendicular to the top cover. This preliminary structural arrangement ensures that when the top cover is installed, the latch plate automatically engages with the latch groove, creating a pre-latched state that resists accidental opening forces.
Data Source
AI summary
An ultrasonic flow measurement device is provided, including a housing and an upper cover connected to the housing. A first end of the housing includes an elongated hole, and a second end includes a locking slot, both arranged horizontally. A first end of the upper cover includes a pin shaft adapted to the elongated hole, and a second end includes a locking plate adapted to the locking slot. The device enables horizontal insertion between the upper cover and the housing via a sliding and rotating mechanism combined with a plug-in structure, simplifying the design and enhancing connection stability. To open the device, the upper cover must be pushed horizontally to disengage the locking plate from the slot, which reduces the risk of accidental opening due to unintended contact, thereby enhancing the reliability of the connection between the upper cover and the housing.