Filter membrane clamp clamping device of air particle sampler

A filter membrane clamp and particulate matter technology, which is applied to sampling devices, workpiece clamping devices, manufacturing tools, etc., can solve the problems of time-consuming and laborious loosening and tightening, inconvenient operation of replacing filter membrane clamps, etc., and achieves convenient and simplified use. The operation of replacing the filter membrane, the effect of simple structure

Inactive Publication Date: 2016-08-24
QINGDAO & CHENG ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method needs to rotate the filter holder tray multiple times to complete. Due to the large diameter of the filter holder t

Method used

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  • Filter membrane clamp clamping device of air particle sampler

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Embodiment Construction

[0009] exist figure 1 Among them, the connecting body (4) and the linear guide rail (2) are fixedly connected to the chassis (1), and the filter holder tray (6) is fixedly connected to the slider (3), which can slide up and down along the linear guide rail (2), elastically Both ends of the ejector rod (7) are respectively hinged to the filter holder tray (6) and the instrument door (8). When the instrument door (8) is closed upward, the instrument door (8) pushes the filter holder tray (6) to slide upward along the linear guide rail (2) through the elastic ejector rod (7). When the instrument door (8) is closed, the filter Membrane holder tray (6) Press the membrane holder (5) upwards on the lower surface of the connecting body (4), and the elastic ejector rod (7) is compressed to a certain extent, and the elastic force generated reliably holds the membrane holder tray (6) upward compressive force. When the instrument door (8) is opened downward, the instrument door (8) pull...

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Abstract

Provided is a filter membrane clamping device of an air particle sampler. Smooth sliding of a filter membrane clamp tray is guaranteed through a linear guide rail, an instrument door drives the filter membrane clamp tray to ascend and descend through elastic ejector rods, and when the instrument door is opened downwards, the elastic ejector rods drive the filter membrane clamp tray to descend, and a filter membrane clamp can be taken out conveniently. When the instrument door is closed, the elastic ejector rods dive the filter membrane clamp tray to ascend and press the filter membrane clamp, and therefore taking and placing of the filter membrane clamp are simplified.

Description

Technical field [0001] The invention relates to a filter membrane clamp clamping device capable of quickly replacing the filter membrane, which is suitable for air particle detection instruments using a weighing method. Background technique [0002] At present, the most common of the existing air particle sampling instruments is the air particle sampling instrument using the weighing method. The gravimetric method requires frequent replacement and weighing of the filter holders containing the membranes. The filter membrane clamp needs to be clamped and kept airtight in the air particle sampling instrument, so the filter membrane clamp loaded with the filter membrane needs to be clamped. At present, the thread is usually used to generate a compressive force for sealing. This method needs to rotate the membrane holder tray multiple times to complete. Due to the large diameter of the membrane holder tray, it takes time and effort to unscrew and tighten the membrane holder, so...

Claims

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Application Information

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IPC IPC(8): B25B11/00G01N1/22
Inventor 张忠民姜晔宋世军
Owner QINGDAO & CHENG ENVIRONMENTAL PROTECTION TECH
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