CN210604037U

CN210604037U - Environment detection sampler

Info

Publication number: CN210604037U
Application number: CN201921576049.6U
Authority: CN
Inventors: 程诚
Original assignee: Fujian Nanhuan Testing Technology Co Ltd
Current assignee: Fujian Nanhuan Testing Technology Co Ltd
Priority date: 2019-09-22
Filing date: 2019-09-22
Publication date: 2020-05-22
Anticipated expiration: 2029-09-22

Abstract

The utility model discloses an environmental detection sampler in the technical field of environmental detection, which comprises a sampling tube, the lower end of the sampling tube is fixedly connected with an interface, the interface is in threaded connection with a screw cap, the middle end of the interior of the sampling tube is fixedly connected with two groups of sealing plates, a compression cavity is arranged between the upper end of the upper end sealing plate and the upper end of the sampling tube, a gas storage cavity is arranged between the two groups of sealing plates, a water storage cavity is arranged between the lower end sealing plate and the lower end of the sampling tube, the upper ends of the gas storage cavity and the water storage cavity as well as the lower end of the compression cavity are both provided with a conduit which is communicated with the outside, a communicating pipe is arranged between the conduits, the sampling function can be realized through a group of sampling tubes, the volume is small, the carrying is convenient, gas and water can be simultaneously sampled through the gas storage cavity and the water storage cavity which, the detection of the sampling result is more accurate.

Description

Environment detection sampler

Technical Field

The utility model relates to an environment detection technology field specifically is an environment detection sampler.

Background

With the rapid development of urbanization and industrialization in recent years in China, the problem of urban atmospheric environmental pollution becomes more and more serious, so that a plurality of health and safety hazards and threats are brought to urban residents, environmental protection is paid more and more attention to by more and more people, especially the air quality, how to deal with the deterioration of the environment is concerned, and environmental detection and sampling naturally become the first step for effectively solving the environmental problem. In environmental testing, it is often necessary to collect gas samples at various locations for research use.

And with the development of social economy, the industry level is constantly improved, and the discharge of sewage is also more and more, leads to the water to be polluted on a large scale, in order to detect the water environment, often need to take a sample to the water. The water quality monitoring is a process for monitoring and measuring the types of pollutants in a water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition, the monitoring range is very wide, the monitoring range comprises uncontaminated and polluted natural water, such as rivers, lakes, seas, underground water, various industrial drainage and the like, and the main monitoring items can be divided into two categories: one is a comprehensive index reflecting the water quality conditions, such as temperature, chroma, turbidity, pH value, conductivity, suspended matters, dissolved oxygen, chemical oxygen demand, biochemical oxygen demand and the like; the other is toxic substances, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like, and in order to objectively evaluate the water quality conditions of rivers and oceans, the flow velocity and the flow are sometimes measured in addition to the monitoring items.

Under the general condition, because the water environment waits to detect the water source ground far away, need the sample of a large amount during the sample in order to use after, and most sampling device can only absorb a small amount of water samples to water sample sampling device contains equipment such as suction pump mostly and leads to very heavy, is difficult for carrying, and generally need gather gas simultaneously in the testing process, and general sampling device can only gather one, and is very inconvenient.

Based on this, the utility model designs an environment detection sampler to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental detection sampler to solve most sampling device that proposes in the above-mentioned background art can only absorb a small amount of water samples, and water sample sampling device contains equipment such as water suction pump mostly and leads to very heaviness, is difficult for carrying, and generally need gather simultaneously gas in the testing process, and general sampling device can only gather one, very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: an environment detection sampler comprises a sampling tube, wherein the upper end of the sampling tube is a hollow cylinder, the lower end of the sampling tube is of an inverted round platform structure, the lower end of the sampling tube is fixedly connected with a connector, the outer side of the connector is provided with threads, the connector is in threaded connection with a threaded cover, the middle end of the inner part of the sampling tube is fixedly connected with two groups of sealing plates, a compression cavity is arranged between the upper end of the sealing plate and the upper end of the sampling tube, an air storage cavity is arranged between the two groups of sealing plates, the lower end of the sealing plate and the lower end of the sampling tube are provided with a water storage cavity, a piston is in sliding connection with the compression cavity, the middle part of the upper end of the piston is fixedly connected with a piston rod, the upper end of the piston rod penetrates through the upper end of the sampling tube and is fixedly connected with a, an extension pipe is inserted on the fixing clamp.

Preferably, the piston side end is wrapped with a layer of rubber pad, and a sealing pad is arranged at the connecting end of the sampling tube and the piston rod.

Preferably, the outer side end of the conduit is provided with threads, and the outer side of the conduit is connected with a threaded cover through threads.

Preferably, both ends of the communicating pipe and one end of the extension pipe are fixedly connected with threaded rings, and the communicating pipe and the extension pipe are telescopic hoses.

Preferably, the other end of the extension pipe is fixedly connected with a suction head

Preferably, the lower end of the gas storage cavity is provided with a through hole, and a filter screen is arranged in the through hole.

Preferably, an air pressure sensor is arranged in the air storage cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a sample function can be realized to a set of sampling tube, and the volume is less, conveniently carries, is fit for field sampling, simultaneously through be equipped with gas storage chamber and water storage chamber in the sampling tube, can take a sample gas and the water body simultaneously to the leakproofness after the sample is better, is difficult for receiving external pollution, leads to the testing result difference to appear, and is further, through the impurity in the filter screen and the reducible sampling body of suction head, makes the detection of sampling result more accurate.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the communication pipe structure shown in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the screw cap of fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-sampling tube, 2-connector, 3-screw thread, 4-screw thread cover, 5-sealing plate, 6-compression chamber, 7-gas storage chamber, 8-water storage chamber, 9-piston, 10-piston rod, 11-handle, 12-conduit, 13-communicating tube, 14-fixing clamp, 15-extension tube, 16-rubber pad, 17-screw thread ring, 18-suction head, 19-through hole, 20-filter screen, 21-air pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an environment detection sampler comprises a sampling tube 1, wherein the upper end of the sampling tube 1 is a hollow cylinder, the lower end of the sampling tube 1 is of an inverted frustum structure, the lower end of the sampling tube 1 is fixedly connected with a connector 2, threads 3 are arranged on the outer side of the connector 2, a thread cover 4 is connected to the connector 2 in a thread manner, two groups of sealing plates 5 are fixedly connected to the middle end of the inner part of the sampling tube 1, a compression cavity 6 is arranged between the upper end of the sealing plate 5 and the upper end of the sampling tube 1, an air storage cavity 7 is arranged between the two groups of sealing plates 5, a water storage cavity 8 is arranged between the lower end of the sealing plate 5 and the lower end of the sampling tube 1, a piston 9 is connected in the compression cavity 6 in a sliding manner, a piston rod 10 is fixedly connected to the middle part of the upper end of the piston 9, the upper end of the piston rod 10 penetrates through the upper end, a communicating pipe 13 is arranged between the guide pipes 12, two groups of symmetrical fixing clamps 14 are fixedly connected to the outer side of the sampling pipe 1, and an extension pipe 15 is inserted on the fixing clamps 14.

Wherein, the side of the piston 9 is wrapped by a layer of rubber pad 16, and the connecting end of the sampling tube 1 and the piston rod 10 is provided with a sealing pad to enhance the air tightness of the compression chamber 6. The outer side end of the conduit 12 is provided with a thread 3, the outer side of the conduit 12 is connected with a thread cover 4 through the thread 3, when the conduit is not used, the conduit 12 can be sealed through the thread cover 4, and gas or liquid collected inside is prevented from flowing out. The two ends of the communicating pipe 13 and one end of the extension pipe 15 are fixedly connected with threaded rings 17, the communicating pipe 13 and the extension pipe 15 are telescopic hoses, the two ends of the communicating pipe 12 can be connected with threads 3 on the guide pipe 12 through the threaded rings 17, so that the two groups of cavities are communicated, and a negative pressure can be formed in the cavities by pulling a piston, so that sampling operation is performed. The other end of the extension tube 15 is fixedly connected with a suction head 18, and the suction head 18 can extend into water for sampling, so that impurities in the water can be prevented from entering the water storage cavity 8. Through-hole 19 has been seted up to gas storage chamber 7 lower extreme, is equipped with filter screen 20 in the through-hole 19, and accessible through-hole 19 collects and discharge gas in the gas storage chamber 7, collects simultaneously and accomplishes the back accessible and blocks up and seal through-hole 19, prevents its external outflow, and filter screen 20 then can prevent that external bold particle impurity from getting into in the gas storage chamber 7. The air storage cavity 7 is internally provided with an air pressure sensor 21, wherein the air pressure sensor 21 is selected from PT124G pressure sensors which are commercially available and can be directly purchased for use, and the air pressure sensor 21 can detect the air pressure in the air storage cavity 7 in real time, so that the air quantity can be conveniently known.

One specific application of this embodiment is: the device is convenient to carry, when gas needs to be sampled, the communicating pipe 13 can be connected to the guide pipe 12 on the compression cavity 6 and the gas storage cavity 7, so that the two groups of cavities are communicated, a sampling person pulls the handle 11 upwards to drive the piston 9 to move upwards through the piston rod 10, so that negative pressure is formed in the two groups of cavities, at the moment, external gas can enter the gas storage cavity 7 through the through hole 19, the air pressure sensor 21 can detect the air pressure in the gas storage cavity 7, the working person can conveniently know the air pressure volume, after the sampling is finished, the through hole 19 can be sealed through blockage, the communicating pipe 13 is taken off at the same time, the guide pipe 12 is sealed through the threaded cover 4 to prevent the gas from flowing out, further, when the water needs to be sampled, the communicating pipe 13 can be connected with the compression cavity 6 and the water storage cavity 8, the threaded ring 17 on the extension pipe 15 can be connected with the interface 2, and, pulling piston 9 takes a sample, and after the sample was accomplished, accessible thread cover 4 sealed interface 2, can accomplish the dual sample of gas and water simultaneously.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An environment detection sampler, includes sampling tube (1), its characterized in that: the sampling tube is characterized in that the upper end of the sampling tube (1) is a hollow cylinder, the lower end of the sampling tube is of an inverted circular truncated cone structure, the lower end of the sampling tube (1) is fixedly connected with a connector (2), threads (3) are arranged on the outer side of the connector (2), a thread cover (4) is connected to the connector (2) in a threaded manner, two groups of sealing plates (5) are fixedly connected to the middle end of the inner part of the sampling tube (1), a compression cavity (6) is arranged between the upper end of the sealing plate (5) and the upper end of the sampling tube (1), an air storage cavity (7) is arranged between the two groups of sealing plates (5), a water storage cavity (8) is arranged between the lower end of the sealing plate (5) and the lower end of the sampling tube (1), a piston (9) is connected in the compression cavity (6) in a sliding manner, a piston rod (10, the sampling tube is characterized in that the upper ends of the gas storage cavity (7) and the water storage cavity (8) and the lower end of the compression cavity (6) are respectively provided with a conduit (12) communicated with the outside, a communicating pipe (13) is arranged between the conduits (12), two groups of symmetrical fixing clamps (14) are fixedly connected to the outer side of the sampling tube (1), and an extension tube (15) is inserted on the fixing clamps (14).

2. An environment detection sampler according to claim 1, wherein: the side end of the piston (9) is wrapped with a layer of rubber pad (16), and a sealing pad is arranged at the connecting end of the sampling tube (1) and the piston rod (10).

3. An environment detection sampler according to claim 1, wherein: the outer side end of the conduit (12) is provided with threads (3), and the outer side of the conduit (12) is connected with a threaded cover (4) through the threads (3).

4. An environment detection sampler according to claim 1, wherein: both ends of the communicating pipe (13) and one end of the extension pipe (15) are fixedly connected with threaded rings (17), and the communicating pipe (13) and the extension pipe (15) are telescopic hoses.

5. An environment detection sampler according to claim 1, wherein: the other end of the extension pipe (15) is fixedly connected with a suction head (18).

6. An environment detection sampler according to claim 1, wherein: the lower end of the air storage cavity (7) is provided with a through hole (19), and a filter screen (20) is arranged in the through hole (19).

7. An environment detection sampler according to claim 1, wherein: an air pressure sensor (21) is arranged in the air storage cavity (7).