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Manual safe sampling device

A sampling device and safe technology, applied in the field of manual safety sampling devices, can solve the problems of cumbersome operation and large sampling deviation, and achieve the effect of simple operation, low manufacturing cost and guaranteed accuracy

Pending Publication Date: 2021-04-13
陕西爱瑞德控制工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a manual safety sampling device, which effectively solves many problems of the existing sampling device, such as potential safety hazards, large sampling deviation and cumbersome operation

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0030] Embodiment 1. The present invention is a manual safety sampling device, which includes a horizontal device cavity 1. The interior of the device cavity 1 is a cavity with openings at both ends. Pistons are installed in the device cavity 1 from right to left. 2 and the screw 3, the piston 2 can slide laterally in the device cavity 1, the piston 3 and the inner wall of the device cavity 1 are sealed and airtight, the piston 2 is connected to the screw 3 in rotation, and the screw 3 is connected to the device cavity 1 The screw rod 3 is threaded so that when the screw rod 3 is turned, the screw rod 3 can move. At this time, the screw rod 3 pulls the piston 2 to move laterally. A handle 4 is fixed at the end of the screw rod 3, and the handle 4 is placed outside the device cavity 1. It is convenient to rotate the screw rod 3, and a sampling hole 5 is provided on the cavity outer wall at the end of the left end of the piston 2, so that in the initial position, the sampling hol...

Embodiment 2

[0032] Embodiment 2, in order to better pull the piston 2 to move, a thrust rod 6 is connected between the piston 2 and the screw rod 3, and the thrust rod 6 is fixedly connected to the piston 2. For example, during installation, the thrust rod 6 is fixedly inserted into the piston 2 Inside, while the screw rod 3 and the thrust rod 6 are connected in rotation. When the screw rod 3 rotates, the thrust rod 6 does not rotate, but the thrust rod 6 and the piston 2 move laterally.

Embodiment 3

[0033] Embodiment 3, in order to prevent the industrial medium from leaking from the gap between the piston 2 and the inner wall of the cavity, multiple sets of sealing rings 7 are arranged at both ends of the piston 2 or the inner wall of the cavity to ensure that the piston 2 is stationary and moving. It can be sealed to prevent leakage of industrial media.

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Abstract

The invention relates to a manual safe sampling device, which effectively solves the technical problems that the existing sampling device has potential safety hazard and the result is inaccurate due to the error of the sampled sample, and comprises a device cavity with a cavity inside and two transparent ends, wherein a piston and a screw are sequentially arranged in the device cavity from right to left, the piston is installed at one end of the device cavity in a sliding mode, the screw is rotationally connected with the piston, the screw is in threaded connection with the device cavity, a handle arranged outside the device cavity is fixed to the end of the screw, and a sampling hole is formed in the outer wall of the cavity in the tail end of the piston. The device is ingenious in structure, easy to operate, low in manufacturing cost and convenient to machine, can meet the requirement of gas or liquid sampling in different fields, and has universal adaptability, safety and practicability.

Description

technical field [0001] The invention relates to the technical field of safety sampling, and the specific name is a manual safety sampling device. Background technique [0002] The analysis of industrial media is indispensable in the process of exploration and development. The analysis methods range from the volumetric adsorption method in the 1970s to the gas chromatography in the 1980s; from normalized quantification to external standard method; its analysis methods and means And the analysis precision and accuracy are constantly improving and improving. However, in order to improve the safety of sampling and obtain accurate and reliable compositional analysis data, it largely depends on the sampling technique. If the sample is not taken well, no matter how accurate the analysis is, it is meaningless. [0003] There are many kinds of components in the composition of industrial media. It is a relatively basic work to study the data of media components in the industry of in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14G01N1/24
CPCG01N1/14G01N1/22
Inventor 张钧
Owner 陕西爱瑞德控制工程有限公司
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