CN211978445U

CN211978445U - Environmental detection multi-point sampling device

Info

Publication number: CN211978445U
Application number: CN202020155583.6U
Authority: CN
Inventors: 石传千; 高雪; 董洁; 庄宿英
Original assignee: Shandong Zhongheng Environmental Testing Co ltd
Current assignee: Shandong Zhongheng Environmental Testing Co ltd
Priority date: 2020-02-07
Filing date: 2020-02-07
Publication date: 2020-11-20
Anticipated expiration: 2030-02-07

Abstract

The utility model relates to an environment detection area provides environment detection multiple spot sampling device, include: a body; a piston is arranged in the body; the upper end of the exterior of the body is provided with a first one-way valve and a third one-way valve, and the lower end of the exterior of the body is provided with a second one-way valve and a fourth one-way valve; the first one-way valve and the fourth one-way valve are air outlet one-way valves, and the second one-way valve and the third one-way valve are air inlet one-way valves; the gas distribution pipe, the sampler and the reversing valve are sequentially arranged on the body from top to bottom; the sampler is arranged on the gas distribution pipe, the gas distribution pipe is arranged on the reversing valve, and the reversing valve is connected with the third one-way valve and the fourth one-way valve; the utility model overcomes sample thief sampling precision is low in the past, and the gaseous quality of sample is guaranteed to the poor shortcoming of sampling effect through setting up novel sample bag, sets up the enclosing cover that has rubber and is guaranteed not to be polluted when taking gas, and sampling precision is high, the sample is even, the practicality is strong.

Description

Environmental detection multi-point sampling device

Technical Field

The utility model relates to a sampling test field, specific environmental detection multiple spot sampling device that says so.

Background

With the development of human society, the environmental pollution is aggravated and the quality of life is required to be improved, the detection of the components and the content of harmful substances becomes an indispensable part in the production environment of modern commodities. Especially, organic and harmful gases have become essential detection items in the quality inspection of goods. At present, sampling of the unorganized discharge points in the room and the outside is generally carried out at the same height, if a higher-position air sample needs to be collected, the sampling is carried out by means of tools such as a ladder, and no special device for collecting the higher-position air exists. And the existing collecting device is easy to remain gas, can not ensure the accuracy of the collected gas, is easy to leak and pollute again when the sampled gas is detected, and the gas sampling device can not simultaneously collect air samples at different height position points, so the sampling is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome sample thief sampling precision in the past and hang down, the poor shortcoming of sampling effect through setting up novel sample bag, guarantees the gaseous quality of sample, sets up the enclosing cover that has rubber and guarantees not to be polluted when taking gas, and the sampling precision is high, and is effectual, and the practicality is strong.

The technical scheme of the utility model is realized like this:

environmental detection multiple spot sampling device includes: a body; a piston is arranged in the body; the upper end of the exterior of the body is provided with a first one-way valve and a third one-way valve, and the lower end of the exterior of the body is provided with a second one-way valve and a fourth one-way valve; the first one-way valve and the fourth one-way valve are air outlet one-way valves, and the second one-way valve and the third one-way valve are air inlet one-way valves;

the gas distribution pipe, the sampler and the reversing valve are sequentially arranged on the body from top to bottom;

the sampler is installed on the gas distribution pipe, the gas distribution pipe is installed on the reversing valve, and the reversing valve is connected with the third one-way valve and the fourth one-way valve.

Furthermore, the reversing valve is a two-position four-way manual reversing valve and comprises a first valve port, a second valve port, a third valve port and a fourth valve port, the first valve port is connected with a fourth one-way valve, the third valve port is connected with a third one-way valve, and the fourth valve port is connected with a gas distribution pipe.

Furthermore, the sampler has a plurality of samplers, and a valve is arranged between the sampler and the gas distribution pipe.

Further, the sample thief includes sample thief body and solid fixed ring, be provided with the open end on the gas-distributing pipe, sample thief body one end with the open end of gas-distributing pipe is connected, gu fixed ring install in on the open end of gas-distributing pipe.

Further, the sampler body is trumpet-shaped.

The sample bag comprises an outer cover, a sealing cover, a sample bag opening and a sample bag body; the outer cover is installed on the sealing cover, the sealing cover is installed on the sample bag opening, the sample bag opening is connected with the sample bag body, and a flange structure is arranged on the sample bag opening.

Further, the outer cover is in threaded connection with the sealing cover, and the sealing cover is in threaded connection with the sample bag opening.

Furthermore, a replaceable rubber body is embedded in the middle of the outer cover.

Still further, the sample bag body material is one of plastic or rubber.

The utility model discloses a set up the sample bag, and rather than various valves, piston aspiration system etc. of supporting use, the not gas sample of co-altitude is collected in better realization to through piercing through enclosing cover rubber layer sample when using the sample, avoided the sample to be contaminated, it is effectual to collect, has also brought the facility for the sample analysis in later stage.

Drawings

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

Fig. 1 is a schematic diagram of an environment detection multipoint sampling apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a sampler of the environment sensing multi-point sampling apparatus shown in FIG. 1;

FIG. 3 is a schematic perspective view of a sample bag of the environmental testing multi-point sampling apparatus shown in FIG. 1;

wherein, 1, a body; 101. a first check valve; 102. a second one-way valve; 103. a third check valve; 104. a fourth check valve; 2. a handle; 3. a compression rod; 4. a piston; 5. a diverter valve; 501. a first valve port; 502. a second valve port; 503. a third valve port; 504. a fourth valve port; 6. a gas distributing pipe; 7. a valve; 8. a sampler; 801. a sampler body; 802. a fixing ring; 803. a sample bag; 804. an outer cover; 805. a sealing cover; 806. a sample bag opening; 807. A sample bag body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In a specific embodiment of the present invention, see fig. 1-3, an environment detection multipoint sampling apparatus includes: a body 1; a piston 4 is arranged in the body 1; the upper end of the exterior of the body 1 is provided with a first one-way valve 101 and a third one-way valve 103, and the lower end is provided with a second one-way valve 102 and a fourth one-way valve 104; the first check valve 101 and the fourth check valve 104 are air outlet check valves, and the second check valve 102 and the third check valve 103 are air inlet check valves;

a gas distribution pipe 6, a sampler 8 and a reversing valve 5 are sequentially arranged on the body 1 from top to bottom;

the sampler 8 is arranged on the gas distribution pipe 6, the gas distribution pipe 6 is arranged on the reversing valve 5, and the reversing valve 5 is connected with the third one-way valve 103 and the fourth one-way valve 104.

In the embodiment of the present invention, as shown in fig. 1-3, the reversing valve 5 is a two-position four-way manual reversing valve, and includes a first valve port 501, a second valve port 502, a third valve port 503 and a fourth valve port 504, the first valve port 501 is connected to the fourth check valve 504, the third valve port 503 is connected to the third check valve 103, and the fourth valve port 504 is connected to the gas-distributing pipe 6.

In the embodiment of the present invention, as shown in fig. 1-3, there are a plurality of samplers 8, and a valve 7 is installed between the samplers 8 and the gas-distributing pipe 6.

In the embodiment of the present invention, as shown in fig. 1-3, the sampler 8 is composed of a sampler body 801 and a fixing ring 802, one end of the gas distribution pipe 6 is an open end, one end of the sampler body 801 is connected with the open end of the gas distribution pipe 6, and the fixing ring 802 is installed on the open end of the gas distribution pipe 6.

In the embodiment of the present invention, as shown in fig. 1-3, the sampler body 801 is horn-shaped.

In the embodiment of the present invention, see fig. 1-3, further comprising a sample bag 803, wherein the sample bag 803 comprises an outer cover 804, a sealing cover 805, a sample bag opening 806, and a sample bag body 807; the outer cover 804 is arranged on the sealing cover 805, the sealing cover 805 is arranged on the sample bag opening 806, the sample bag opening 806 is connected with the sample bag body 807, and the sample bag opening 806 is provided with a flange structure.

In the embodiment of the present invention, as shown in fig. 1-3, the cover and 804 are threadably engaged with the sealing cap 805, and the sealing cap 805 is threadably engaged with the sample bag opening 806.

In the embodiment of the present invention, as shown in fig. 1-3, a replaceable rubber body is embedded in the middle of the outer cover 804.

In the embodiment of the present invention, as shown in fig. 1-3, the material of the sample bag body 807 is one of plastic or rubber.

In the embodiment of the present invention, as shown in fig. 1-3, when in use, firstly, the sample bag 803 is installed, the fixing ring 802 on the sampling device 8 is taken off, the sample bag body 807 is inserted into the sampling device 8, the flange structure on the sample bag opening 806 is tightly attached to the sampling device 8, then the fixing ring 802 is installed, and the sample bag 8 is fixedly clamped by the screw thread between the fixing ring 802 and the sampling device body 801; unscrewing a sealing cover 805, opening a valve 7, moving a reversing valve 5 downwards to an upper position for communication, pressing a handle 2, and driving a piston 4 to move downwards by the handle 2 through a compression rod 3; on one hand, the gas at the lower part of the piston 4 flows to the first valve port 501 through the fourth one-way valve 104, then flows to the fourth valve port 504, finally flows to the sampler 8 through the gas distribution pipe 6 and the valve 7 until the sampler 8 is pushed out by filling the sample bag body 807 with gas, and the residual gas in the sample bag 803 can be completely discharged in the process; on the other hand, the upper part of the piston 4 will suck gas continuously, the sucked gas is sucked into the body 1 from the second valve port 502 to the third valve port 503 through the third one-way valve 103, and when the piston 4 moves to the bottom and the sample bag body 807 is still not filled with gas, the piston 4 is moved upwards to inflate repeatedly.

After a plurality of sample bag bodies 807 are filled with gas and are propped out, the reversing valve 5 is moved upwards to the lower position for communication, the piston 4 is moved downwards, the gas in the sampler 8 flows to the fourth valve port 504 through the gas distribution pipe 6, then flows into the body 1 through the third valve port 503 and the third check valve 103, and the gas at the lower part of the piston 4 flows out through the fourth check valve 104, the first valve port 501 and the second valve port 502; when the piston 4 moves to the bottom sample bag body 807 and is still not completely retracted and expanded, the piston 4 is moved upwards, the gas at the upper part of the piston is discharged by the first one-way valve 101, the gas at the bottom of the piston enters by the second one-way valve 102, then the processes are repeated, when the sample bag body 807 is completely retracted and expanded, the sealing cover 805 is screwed up, and then the sample bag 803 filled with the gas is taken down for standby.

The inlaid replaceable rubber on the outer cover 804 can be used for pumping out the sampling gas through the rubber extending into the pipeline under the condition of not opening the cover, and the inlaid rubber can be replaced according to the damage degree of the inlaid rubber; the sampler body 801 is trumpet-shaped, so that the sample bag 803 can be conveniently taken out after being completely inflated.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Environmental detection multiple spot sampling device includes: a body; a piston is arranged in the body; the upper end of the exterior of the body is provided with a first one-way valve and a third one-way valve, and the lower end of the exterior of the body is provided with a second one-way valve and a fourth one-way valve; the first one-way valve and the fourth one-way valve are air outlet one-way valves, and the second one-way valve and the third one-way valve are air inlet one-way valves;

the method is characterized in that: the body is sequentially provided with a gas distribution pipe, a sampler and a reversing valve from top to bottom;

2. The environment sensing multipoint sampling device of claim 1, wherein: the reversing valve is a two-position four-way manual reversing valve and comprises a first valve port, a second valve port, a third valve port and a fourth valve port, the first valve port is connected with the fourth one-way valve, the third valve port is connected with the third one-way valve, and the fourth valve port is connected with the gas distributing pipe.

3. The environment sensing multipoint sampling device of claim 1, wherein: the sampler has a plurality of, install the valve between sampler and the gas-distributing pipe.

4. The environment sensing multipoint sampling device of claim 1, wherein: the sampler comprises a sampler body and a fixing ring, an open end is arranged on the gas distribution pipe, one end of the sampler body is connected with the open end of the gas distribution pipe, and the fixing ring is arranged on the open end of the gas distribution pipe.

5. The environment sensing multipoint sampling device of claim 4, wherein: the sampler body is horn-shaped.

6. The environment sensing multipoint sampling device of claim 1, wherein: the sample bag comprises an outer cover, a sealing cover, a sample bag opening and a sample bag body; the outer cover is installed on the sealing cover, the sealing cover is installed on the sample bag opening, the sample bag opening is connected with the sample bag body, and a flange structure is arranged on the sample bag opening.

7. The environment sensing multipoint sampling device of claim 6, wherein: the outer cover is in threaded connection with the sealing cover, and the sealing cover is in threaded connection with the sample bag opening.

8. The environment sensing multipoint sampling device of claim 6, wherein: the middle of the outer cover is embedded with a replaceable rubber body.

9. The environment sensing multipoint sampling device of claim 6, wherein: the sample bag main body material is one of plastic or rubber.