CN210513829U

CN210513829U - Sampling device for environment detection gas

Info

Publication number: CN210513829U
Application number: CN201920708875.5U
Authority: CN
Inventors: 范丽萍
Original assignee: Shanghai Jiayuancheng Construction Engineering Co Ltd
Current assignee: Shanghai Jiayuancheng Construction Engineering Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-05-12
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses an environmental detection is sampling device for gas relates to gaseous sampling apparatus technical field, the novel nipple rectifier comprises a cylindrical shel, the external fixation of barrel has cup jointed the guard ring, and one side threaded connection of barrel has sealed lid, the lower fixed surface of barrel installs four supporting legs, and the inside center fixed mounting of barrel has the stopper, the permeability cell is installed in the inside embedding of stopper, the inside of barrel is close to stopper one side position department and is provided with the piston, form the cavity between piston and the sealed lid, the inside of sealed lid runs through and is provided with first interface, and one side of sealed lid is connected with the grafting subassembly through connecting the rope. The utility model discloses a set up two pistons, can cut apart into two cavitys with the inside of barrel, the person of facilitating the use samples and stores different types of gas, adopts the design of piston simultaneously, can reduce all the other gaseous impurity contents in the cavity, has ensured the accuracy of sample.

Description

Sampling device for environment detection gas

Technical Field

The utility model relates to a gaseous sampling apparatus technical field specifically is a sampling device for environmental detection gas.

Background

Environmental monitoring utilizes GIS technique to design the environmental monitoring network, and the information that environmental monitoring collected can pass through GIS in good time storage and demonstration again to carry out detailed field monitoring and analysis to the selected evaluation area, need sample gas among the environmental detection process, at this moment just need use the sampling jar.

But present sampling tank can only gather single sample gas mostly, is difficult to store and gather different kinds of gas, and present sampling tank appears gas easily and reveals the phenomenon simultaneously when gathering gas and using gas, influences normal measuring. Accordingly, those skilled in the art have provided a sampling apparatus for environmental sensing gas to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sampling device for environment measuring gas to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sampling device for environmental detection gas, includes the barrel, the external fixation of barrel has cup jointed the guard ring, and one side threaded connection of barrel has sealed lid, the lower fixed surface of barrel installs four supporting legs, and the inside center fixed mounting of barrel has the stopper, the permeability cell is installed in the inside embedding of stopper, the inside of barrel is close to stopper one side position department and is provided with the piston, form the cavity between piston and the sealed lid, the inside of sealed lid runs through and is provided with first interface, and one side of sealed lid is connected with the grafting subassembly through connecting the rope, the inside packing of first interface has the rubber buffer, the concave part has been seted up to the inside of rubber buffer.

As a further aspect of the present invention: the plug-in assembly comprises a second interface and a needle head, the needle head is fixedly mounted on the inner side of the second interface, the second interface is communicated with the needle head, and a protruding portion is arranged at one end of the needle head.

As a further aspect of the present invention: the protruding portion is matched with the groove portion, and the protruding portion and the groove portion are conical.

As a further aspect of the present invention: the included angle between the supporting legs and the barrel body is 60 degrees, and the bottom ends of the supporting legs are fixedly provided with non-slip mats.

As a further aspect of the present invention: the quantity of piston is two, and the piston laminates with the inner wall of barrel mutually, the piston is the component of rubber material, and the piston is disc structure.

As a further aspect of the present invention: the length of syringe needle is greater than the length of rubber buffer, and the length of syringe needle is less than the length of first interface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up two pistons, can cut apart into two cavitys with the inside of barrel, convenience of customers samples and stores the gas of different categories, adopts the design of piston simultaneously, can reduce the remaining gaseous impurity content in the cavity, has ensured the accuracy of sample;

2. the user inserts the bellying in the concave part, and the person of facilitating the use is outside treating that the sampling gas is carried and is stored in to the cavity this moment, after finishing storing, the user shift out again the syringe needle by in the concave part can, be in the encapsulated situation in the cavity this moment, prevent that the gas in the cavity from appearing leaking the phenomenon.

Drawings

FIG. 1 is a schematic structural diagram of a sampling device for an environment detecting gas;

FIG. 2 is a schematic diagram of the internal structure of a cylinder of a sampling device for environmental monitoring gas;

fig. 3 is a schematic structural diagram of a plug-in component of a sampling device for environmental detection gas.

In the figure: 1. a barrel; 2. a guard ring; 3. a sealing cover; 4. a first interface; 5. a second interface; 6. a plug-in assembly; 7. a needle head; 8. supporting legs; 9. a gas permeable pipe; 10. a limiting block; 11. a piston; 12. a cavity; 13. a groove part; 14. a boss portion; 15. and a rubber plug.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a sampling device for environmental monitoring gas comprises a barrel 1, a protective ring 2 is fixedly sleeved outside the barrel 1, a sealing cover 3 is connected to one side of the barrel 1 through a thread, four supporting legs 8 are fixedly installed on the lower surface of the barrel 1, a limiting block 10 is fixedly installed at the center inside the barrel 1, an included angle between each supporting leg 8 and the barrel 1 is 60 °, a non-slip mat is fixedly installed at the bottom end of each supporting leg 8, a vent pipe 9 is embedded inside the limiting block 10, a piston 11 is arranged inside the barrel 1 at a position close to one side of the limiting block 10, a cavity 12 is formed between each piston 11 and the sealing cover 3, the number of the pistons 11 is two, the pistons 11 are attached to the inner wall of the barrel 1, the pistons 11 are members made of rubber, the pistons 11 are of a disc-shaped structure, can cut apart into two cavitys with the inside of barrel 1, convenience of customers samples and stores different types of gas, adopts piston 11's design simultaneously, can reduce the remaining gaseous impurity content in cavity 12, has ensured the accuracy of sample.

In fig. 1 and 3: a first interface 4 is arranged in the sealing cover 3 in a penetrating manner, one side of the sealing cover 3 is connected with a plug-in component 6 through a connecting rope, a rubber plug 15 is filled in the first interface 4, a groove part 13 is arranged in the rubber plug 15, the plug-in component 6 comprises a second interface 5 and a needle 7, the length of the needle 7 is greater than that of the rubber plug 15, the length of the needle 7 is less than that of the first interface 4, the needle 7 is fixedly arranged on the inner side of the second interface 5, the second interface 5 is communicated with the needle 7, one end of the needle 7 is provided with a bulge part 14, the bulge part 14 is matched with the groove part 13, the bulge part 14 and the groove part 13 are conical, the bulge part 14 is inserted into the groove part 13 by a user, the user can conveniently convey external gas to be sampled into the cavity 12 for storage, after the storage is finished, the user can move the needle 7 out of the groove, at this time, the inside of the cavity 12 is in a closed state, so that the gas in the cavity 12 is prevented from leaking.

The utility model discloses a theory of operation is: the user firstly puts the bulge part 14 into the groove part 13, then the needle 7 passes through the groove part 13 and the rubber plug 15, at the moment, the second interface 5 is connected with an air inlet of an external vacuum pump, and then the rest of gas in the cavity 12 can be discharged through the external vacuum pump, at the moment, the piston 11 is tightly attached to the sealing cover 3, then the bulge part 14 and the needle 7 are moved out from the groove part 13 by the user, at the moment, the external collected sample is introduced into the second interface 5, then the bulge part 14 and the needle 7 are inserted into the groove part 13, at the moment, the external collected gas is injected into the cavity 12, at the moment, along with the continuous injection of the collected gas, the piston 11 is driven to move leftwards, at the moment, the gas in the piston 11 is discharged through the vent pipe 9, the limiting block 10 can limit the piston 11, after the gas injection is finished, the needle 7 and the bulge part 14 are moved out from the, the gas in the cavity 12 can be sealed and processed this moment, through setting up two pistons 11, can cut apart into two cavities with the inside of barrel 1, and convenience of customers samples and stores different types of gas, adopts piston 11's design simultaneously, can reduce all the other gaseous impurity contents in the cavity 12, has ensured the accuracy of sample.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sampling device for the environment detection gas comprises a barrel body (1) and is characterized in that a protective ring (2) is sleeved outside the barrel body (1) in a fixed mode, a sealing cover (3) is connected to one side of the barrel body (1) in a threaded mode, four supporting legs (8) are installed on the lower surface of the barrel body (1) in a fixed mode, a limiting block (10) is fixedly installed in the inner center of the barrel body (1), a vent pipe (9) is installed in the limiting block (10) in an embedded mode, a piston (11) is arranged at a position, close to one side of the limiting block (10), in the barrel body (1), a cavity (12) is formed between the piston (11) and the sealing cover (3), a first interface (4) penetrates through the inner portion of the sealing cover (3), a splicing component (6) is connected to one side of the sealing cover (3) through a connecting rope, and a rubber, the inside of rubber buffer (15) is seted up notched part (13).

2. The sampling device for the environment detecting gas as recited in claim 1, wherein the plug assembly (6) comprises a second port (5) and a needle (7), the needle (7) is fixedly mounted on the inner side of the second port (5), the second port (5) is communicated with the needle (7), and a protruding portion (14) is arranged at one end of the needle (7).

3. The sampling device for the environmental detection gas according to claim 2, wherein the protrusion portion (14) is adapted to the groove portion (13), and the protrusion portion (14) and the groove portion (13) are both conical.

4. The sampling device for the environment detecting gas as recited in claim 1, wherein the angle between the supporting leg (8) and the barrel (1) is 60 °, and the bottom end of the supporting leg (8) is fixedly provided with a non-slip mat.

5. The sampling device for the environment detecting gas as recited in claim 1, wherein the number of the pistons (11) is two, the pistons (11) are attached to the inner wall of the cylinder (1), the pistons (11) are members made of rubber, and the pistons (11) have a disk-shaped structure.

6. The sampling device for environmental monitoring gas according to claim 2, wherein the length of the needle (7) is greater than the length of the rubber plug (15), and the length of the needle (7) is less than the length of the first port (4).