CN214472117U

CN214472117U - Atmospheric sampling device

Info

Publication number: CN214472117U
Application number: CN202120728296.4U
Authority: CN
Inventors: 胡艳云; 张江
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-10-22
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an atmospheric sampling device, which comprises a fixed seat, wherein the fixed seat is provided with a plurality of sampling bags, each sampling bag is respectively provided with a bag body and a cover body which are matched with each other, the cover body is clamped in the fixed seat, the upper end of the cover body is provided with a sealing rubber plug, one side of the cover body is provided with an air inlet, an air inlet pipeline is communicated to an air outlet of a vacuum pump, and the upper end of each cover body is provided with a pressing device which pushes the sealing rubber plug to move downwards; the lower end of the fixed seat is provided with a support rod. The representativeness and the accuracy of sample result have been guaranteed to a plurality of sample bags, and the leakproofness of sample bag after the sample has been guaranteed to sealed plug, prevents that gas from spilling over or the sneaking into of other non-sampling district gas.

Description

Atmospheric sampling device

Technical Field

The utility model relates to an environmental monitoring technical field, concretely relates to atmosphere sampling device.

Background

The atmospheric pollutants refer to substances which are discharged into the atmosphere due to human activities or natural processes and have harmful effects on the environment or people, and in order to master the atmospheric pollution condition, an atmospheric sampling device is often adopted to carry out sampling gas analysis on the air so as to know the degree of the environment polluted by harmful gases, provide the actual pollution condition for relevant departments, and take countermeasures, thereby ensuring that people have a healthy living environment.

The common atmospheric sampling device is easy to be sealed untight after sampling, and gas in a non-sampling area is easy to mix into the atmospheric sampling device in the transfer process, so that the sampling result is inaccurate, and the follow-up targeted countermeasure is influenced.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: to the not enough that prior art exists, provide an atmosphere sampling device, the sample bag is sealed good, has guaranteed the accuracy of sample result.

In order to solve the technical problem, the technical scheme of the utility model is that:

the atmospheric sampling device comprises a fixed seat, wherein the fixed seat is provided with a plurality of sampling bags, each sampling bag is respectively provided with a bag body and a cover body which are matched with each other, the cover body is clamped in the fixed seat, the upper end of the cover body is provided with a sealing rubber plug, one side of the cover body is provided with an air inlet, an air inlet pipeline is communicated to an air outlet of a vacuum pump, and the upper end of each cover body is provided with a pressing device for pushing the sealing rubber plug to move downwards;

the lower end of the fixed seat is provided with a support rod.

As an improved technical scheme, one end of the fixing seat is provided with an installation notch, a fixing plate is arranged in the installation notch, and the fixing plate is connected with the fixing seat screw rod;

the lid is equipped with the recess of indent, the fixing base with the fixed plate cooperation is equipped with the fixed slot that the recess suited.

As an improved technical scheme, a protective cover is arranged at the upper end of the fixed seat.

As an improved technical scheme, the upper end of the protective cover is provided with a sliding door hinged with the protective cover, and the sliding door is provided with a handle.

As an improved technical scheme, the pressing device is a telescopic rod, and the telescopic rod is arranged on the inner side of the upper end of the protective cover.

As an improved technical scheme, the support rod comprises a thick rod and a thin rod which are sleeved together, a plurality of clamp spring beans are axially arranged on the thin rod, and a plurality of clamp holes matched with the clamp spring beans are formed in the thick rod.

As the preferred technical scheme, the lower end of the supporting rod is provided with a base, and the lower end of the base is provided with a plurality of universal wheels.

As a preferred technical scheme, the universal wheel is provided with a brake device.

As the preferred technical scheme, the cover body is in threaded connection with the bag body, the bag body is provided with a sampling port, and the sampling port is connected with a control valve through a pipeline.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses an atmosphere sampling device, including the fixing base, the fixing base is equipped with a plurality of sampling bags, and each sampling bag is equipped with bag body and lid that mutually support respectively, the lid card is established in the fixing base, the upper end of lid is equipped with sealed plug, one side of lid is equipped with the air inlet, the air inlet pipeline communicates to the gas outlet of vacuum pump, the upper end of each lid is equipped with the press device that promotes the downward motion of sealed plug; the lower end of the fixed seat is provided with a support rod. The representativeness and the accuracy of sample result have been guaranteed to a plurality of sample bags, and the leakproofness of sample bag after the sample has been guaranteed to sealed plug, prevents that gas from spilling over or the sneaking into of other non-sampling district gas. In order to better prevent gas from overflowing from the sampling bag, a valve is arranged on the pipeline between the gas inlet of the cover body and the gas outlet of the vacuum pump, the valve can be closed after sampling is completed, and then the pipeline is taken down from the vacuum pump.

One end of the fixing seat of the utility model is provided with an installation gap, a fixed plate is arranged in the installation gap, and the fixed plate is connected with the screw rod of the fixing seat; the lid is equipped with the recess of indent, the fixing base with the fixed plate cooperation is equipped with the fixed slot that the recess suited. Through the setting of fixed slot and recess, make the firm fixing on the fixing base of sample bag, prevent that press device during operation sample bag from removing and causing the lid sealed not tight, the lead screw makes taking off from the fixing base that the sample bag can be convenient simultaneously, and convenient operation has practiced thrift the time.

The upper end of the fixing seat is provided with a protective cover. Can realize rain-proof effect, prevent that the rainfall from causing the harm to the electronic equipment on the fixing base suddenly.

The upper end of protection casing be equipped with protection casing articulated sliding door, sliding door is equipped with the handle. The equipment in the protective cover can be conveniently operated by sliding the door.

The pressing device is a telescopic rod, and the telescopic rod is arranged on the inner side of the upper end of the protective cover. The piston rod of the telescopic rod pushes the sealing rubber plug to move downwards, so that the sealing rubber plug gradually blocks the air inlet of the cover body, and the sealing of the sampling bag is realized.

The bracing piece is established thick pole and thin pole together including the cover, thin pole axial is equipped with a plurality of jump ring beans, thick pole be equipped with a plurality of with the card hole that the jump ring beans suited. The thick rod and the thin rod are buckled at different clamping holes and elastic buckles, so that the height of the supporting rod is adjusted, and the gas sampling requirements of different heights are met.

The lower extreme of bracing piece is equipped with the base, the lower extreme of base is equipped with a plurality of universal wheels. The universal wheel is provided with a brake device. Can be more convenient remove atmosphere sampling device, reduced the condition of transport, convenient operation, brake equipment has guaranteed again that the fixed back atmosphere sampling device of universal wheel can not rotate at will, has guaranteed the stability of sample. The one end of brake block with the base is articulated, and the other end of brake block is equipped with a plurality of ripple teeth, and the universal wheel has increased the flexibility that atmosphere sampling device used, has reduced the vexation of shifting everywhere when using, and labour saving and time saving, brake block can brake the universal wheel simultaneously and fix, guarantees in the use that the universal wheel can not remove.

The lid with the bag body spiro union, the bag body is equipped with the sample connection, sample connection pipe connection has the control valve. The sampling bag can be recycled, the cost is saved, the control valve ensures that gas in the sampling bag can be taken out and utilized for multiple times, and convenience is provided for repeated detection.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;

FIG. 3 is a schematic structural view of the fixing base in FIG. 1;

FIG. 4 is a schematic structural view of the fixing plate of FIG. 1;

FIG. 5 is a schematic view of the construction of the sampling bag of FIG. 1;

FIG. 6 is a cross-sectional view of the sampling bag of FIG. 1;

wherein: 1. a fixed seat; 2. a sampling bag; 3. a bag body; 4. a cover body; 5. sealing the rubber plug; 6. a vacuum pump; 7. an air inlet pipe; 8. an air intake duct; 9. a telescopic rod; 10. installing a notch; 11. a fixing plate; 12. a screw rod; 13. a groove; 14. fixing grooves; 15. a protective cover; 16. sliding the door; 17. a handle; 18. a thick rod; 19. a thin rod; 20. clamping spring beans; 21. a clamping hole; 22. a base; 23. a universal wheel.

Detailed Description

The invention is further explained below with reference to the drawings and examples.

As shown in fig. 1-6, the atmospheric sampling device includes a fixing base 1, the fixing base 1 is provided with a plurality of sampling bags 2, each sampling bag 2 is provided with a bag body 3 and a cover body 4 which are matched with each other, the cover body 4 is clamped in the fixing base 1, the upper end of the cover body 4 is provided with a sealing rubber plug 5, one side of the cover body 4 is provided with an air inlet, the air inlet is communicated with an air outlet of a vacuum pump 6 through an air inlet pipe 7, the air outlet of the vacuum pump 6 is communicated with an air suction pipe 8, and the upper end of each cover body 4 is provided with a pressing device which pushes the sealing rubber plug 5 to move downwards; the lower end of the fixed seat 1 is provided with a support rod. The representativeness and the accuracy of sample result have been guaranteed to a plurality of sample bags 2, and the leakproofness of sample bag 2 after the sample has been guaranteed to sealed plug 5, prevents that gas from spilling over or the sneaking into of other non-sampling district gas. In order to better prevent gas from overflowing from the sampling bag 2, a valve is arranged on a pipeline between the gas inlet of the cover body 4 and the gas outlet of the vacuum pump 6, the valve can be closed after sampling is finished, and then the pipeline is taken down from the vacuum pump 6. In order to guarantee that the bag body 3 can not be broken, a pressure sensor is arranged in the bag body 3, the pressure sensor, the vacuum pump and the electric telescopic handle are linked to a control system, the on-off of the vacuum pump is controlled according to the numerical value displayed by the pressure sensor, and the electric telescopic handle is controlled to stretch.

One end of the fixed seat 1 is provided with an installation gap 10, a fixed plate 11 is arranged in the installation gap 10, and the fixed plate 11 is connected with a screw rod 12 of the fixed seat 1; the cover body 4 is provided with an inwards concave groove 13, and the fixing seat 1 and the fixing plate 11 are matched with a fixing groove 14 matched with the groove 13. Through the setting of fixed slot 14 and recess 13, make the firm fixing on fixing base 1 of sample bag 2, prevent that press device during operation sample bag 2 from removing and causing lid 4 sealed not tight, lead screw 12 makes taking off from fixing base 1 that sample bag 2 can be convenient simultaneously, convenient operation has practiced thrift the time.

The upper end of the fixed seat 1 is provided with a protective cover 15. Can realize rain-proof effect, prevent that the rainfall from causing the harm to the electronic equipment on the fixing base 1 suddenly.

The upper end of the protection cover 15 is provided with a sliding door 16 hinged with the protection cover 15, and the sliding door 16 is provided with a handle 17. The equipment inside the protective cover 15 can be conveniently operated by pulling the door 16.

The pressing device is an electric telescopic rod 9, and the electric telescopic rod 9 is arranged on the inner side of the upper end of the protective cover 15. The piston rod of the electric telescopic rod 9 pushes the sealing rubber plug 5 to move downwards, so that the sealing rubber plug 5 gradually blocks the air inlet of the cover body 4, and the sealing of the sampling bag 2 is realized.

The bracing piece is established thick pole 18 and thin pole 19 together including the cover, thin pole 19 axial is equipped with a plurality of jump ring beans 20, thick pole 18 be equipped with a plurality of with jump ring bean 20 adapted card hole 21. The thick rod 18 and the thin rod 19 are adjusted to be buckled at different clamping holes 21 and elastic buckles, so that the height of the supporting rod is adjusted to meet the gas sampling requirements of different heights.

The lower extreme of bracing piece is equipped with base 22, the lower extreme of base 22 is equipped with a plurality of universal wheels 23. The universal wheels 23 are provided with brake devices. Can be more convenient remove atmosphere sampling device, reduced the condition of transport, convenient operation, brake equipment has guaranteed again that the fixed back atmosphere sampling device of universal wheel 23 can not rotate at will, has guaranteed the stability of sample. Brake equipment is the brake block in this embodiment, the one end of brake block with base 22 is articulated, and the other end of brake block is equipped with a plurality of ripple teeth, and universal wheel 23 has increased the flexibility that atmosphere sampling device used, has reduced the vexation of shifting everywhere when using, and labour saving and time saving, the brake block can brake fixedly to universal wheel 23 simultaneously, guarantees in the use that universal wheel 23 can not remove.

The lid 4 with the spiro union of the bag body 3, the bag body 3 is equipped with the sample connection, sample connection pipe connection has the control valve. The sampling bag 2 can be recycled, the cost is saved, the control valve ensures that the gas in the sampling bag 2 can be taken out and utilized for many times, and convenience is provided for repeated detection.

The utility model discloses a theory of operation:

before using, the lower extreme of sealed plug 5 is located the upside of the air inlet of lid 4, guarantees the entering bag body 3 that gas can be smooth, then adjusts suitable height with the bracing piece, starts vacuum pump 6, and when the bag body 3 pressure reachd certain numerical value, vacuum pump 6 stopped, and at this moment, electric telescopic handle 9's piston rod downstream promotes sealed plug 5 and covers the air inlet gradually and realize sealedly, and the sample is accomplished.

The sliding door 16 is opened, the valve is closed, the air inlet pipe 7 is pulled out from the vacuum pump 6, the screw rod 12 is rotated outwards, the fixing plate 11 is separated from the fixing seat 1 gradually, the fixing grooves 14 which are separately arranged are separated, the sampling bag 2 is taken down completely, and then sampling detection is carried out through the control valve. After the detection is finished, the sampling bag 2 is cleaned and dried in the sun and can be repeatedly used.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. Atmosphere sampling device, its characterized in that: the vacuum pump comprises a fixed seat, wherein the fixed seat is provided with a plurality of sampling bags, each sampling bag is respectively provided with a bag body and a cover body which are matched with each other, the cover body is clamped in the fixed seat, the upper end of the cover body is provided with a sealing rubber plug, one side of the cover body is provided with an air inlet, an air inlet pipeline is communicated to an air outlet of a vacuum pump, and the upper end of each cover body is provided with a pressing device for pushing the sealing rubber plug to move downwards;

the lower end of the fixed seat is provided with a support rod.

2. The atmospheric sampling device of claim 1, wherein: one end of the fixed seat is provided with an installation notch, a fixed plate is arranged in the installation notch, and the fixed plate is connected with the fixed seat through a screw rod;

3. The atmospheric sampling device of claim 1, wherein: the upper end of the fixing seat is provided with a protective cover.

4. An atmospheric sampling device as defined in claim 3 wherein: the upper end of protection casing be equipped with protection casing articulated sliding door, sliding door is equipped with the handle.

5. An atmospheric sampling device as defined in claim 3 wherein: the pressing device is a telescopic rod, and the telescopic rod is arranged on the inner side of the upper end of the protective cover.

6. The atmospheric sampling device of claim 1, wherein: the bracing piece is established thick pole and thin pole together including the cover, thin pole axial is equipped with a plurality of jump ring beans, thick pole be equipped with a plurality of with the card hole that the jump ring beans suited.

7. The atmospheric sampling device of claim 1, wherein: the lower extreme of bracing piece is equipped with the base, the lower extreme of base is equipped with a plurality of universal wheels.

8. The atmospheric sampling device of claim 7, wherein: the universal wheel is provided with a brake device.

9. The atmospheric sampling device of claim 1, wherein: the lid with the bag body spiro union, the bag body is equipped with the sample connection, sample connection pipe connection has the control valve.