Vacuum fixed-depth sampler

A vacuum type, sampler technology, applied in the direction of sampling devices, etc., can solve the problems of water mixing, etc., and achieve the effect of simple structure, accurate and reliable sampling, and good use effect

Inactive Publication Date: 2013-08-14
WATER RESOURCES RES INST OF SHANDONG PROVINCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since water is a fluid, the previous sampling methods such as sampling bottles, sampling buckets and other sampling equipment are easy to mix water in different layers

Method used

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Embodiment Construction

[0008] specific implementation plan

[0009] With reference to accompanying drawing, this vacuum type fixed depth sampler is provided with a cylindrical body 1, and the upper end of cylindrical body 1 is provided with upper sealing cover 2, and upper sealing cover 2 is provided with pipe joint 3, and pipe joint 3 is provided with inlet, Exhaust pipe 4, intake and exhaust pipe 4 are provided with scale 5, and the end of intake and exhaust pipe 4 is provided with filling and deflation valve 6. Said upper sealing cover 2 and the cylindrical body 1 are respectively provided with upper threads 7, and the upper sealing cover 2 and the cylindrical body 1 are threaded. The lower end of the cylindrical body 1 is provided with a lower sealing cover 8, and the lower sealing cover 8 is provided with a shaft hole 9 and a water inlet hole 10, and a pin shaft 11 is arranged in cooperation with the shaft hole 9, and a water inlet valve is provided at the upper end of the pin shaft 11 12. The...

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PUM

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Abstract

The invention relates to a vacuum fixed-depth sampler, which is provided with a cylinder (1). An upper sealing cover (2) is arranged at the upper end of the cylinder (1), a pipe joint (3) is disposed on the upper sealing cover (2), an air inlet and outlet pipe (4) is disposed on the pipe joint (3), an air charge and vent valve (6) is arranged at the end of the air inlet and outlet pipe (4), a lower sealing cover (8) is disposed at the lower end of the cylinder (1), a shaft hole (9) and a water inlet hole (10) are arranged on the lower sealing cover (8), the shaft hole (9) is fittingly provided with a hinge pin (11), a water inlet valve (12) is disposed at the upper end of the hinge pin (11), a counterweight limiting nut (13) is arranged at the lower end of the hinge pin (11), the hinge pin (11) can drive the water inlet valve (12) to move up and down, an elastic rubber capsule (15) is arranged in the cylinder (1), an opening of the elastic rubber capsule (15) is downwards fastened on the water inlet valve (12), the elastic rubber capsule (15) is compressed by compressed air in the cylinder (1), and bounces back after the compressed air is removed, and the elastic rubber capsule (15) rehabilitates, so that a certain vacuum degree is formed. The vacuum fixed-depth sampler is accurate and reliable in sampling, liquids cannot be mixed, and a water sample can be taken out at a required depth.

Description

technical field [0001] The invention belongs to the technical field of hydrology and water resources measuring instruments, and in particular relates to a fixed-depth sampler which sometimes needs to take out water at a certain depth and send it to a laboratory for testing in the monitoring process of water resources. Background technique [0002] With the rapid development of the economy, the requirements for the management of water resources are getting higher and higher. Water bodies, including groundwater and surface water, need to be monitored for various reasons. Due to different requirements, it is necessary to perform layered analysis on different layers of the water body. Because water is a fluid, previous sampling methods such as sampling bottles, sampling buckets and other sampling equipment are easy to mix water in different layers. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide a vacuum ty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/14
Inventor 田志刚陈学群管清花宋玉田
Owner WATER RESOURCES RES INST OF SHANDONG PROVINCE
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