CN210400963U

CN210400963U - Sample collection device for soil gas sampling

Info

Publication number: CN210400963U
Application number: CN201921032000.4U
Authority: CN
Inventors: 陈佳沣
Original assignee: Suzhou Data Testing Service Technology Co ltd
Current assignee: Suzhou Data Testing Service Technology Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-04-24
Anticipated expiration: 2029-07-04

Abstract

The utility model discloses a sample collection device is used in soil gas sampling, including gaseous storage tank, the bottom outer wall fixed connection of gaseous storage tank top outer wall and rubber gooseneck cover, the outer wall chisel that gaseous storage tank lies in rubber gooseneck cover below has the thread tooth, and the one end that gaseous storage tank was kept away from to rubber gooseneck cover is inserted and is equipped with the plastic hose, and the inner wall that rubber gooseneck cover one end was kept away from to the plastic hose is inserted and is equipped with rubber sealing strip, the utility model discloses the beneficial effect who reaches is: the utility model discloses a rubber gooseneck cover, plastic hose, shutoff head rubber seal strip's collocation use, the convenience is sealed up the gas of soil gas and is deposited, and through the collocation use of the thread tooth of sealed lid, rubber seal cover, thread groove and gaseous storage tank outer wall, make gaseous depositing have secondary seal's effect, have better leakproofness, just the utility model discloses the cost is lower, and sealed easy operation has fine practicality and popularization nature.

Description

Sample collection device for soil gas sampling

Technical Field

The utility model relates to a sample collection device is used in soil gas sampling belongs to soil gas collection technical field.

Background

Composition in the air is different with the gas composition in this soil under the special environment, in specific time, need gather the gas in the soil, in current technique, the gas of gathering from soil is when gathering and depositing, and the gaseous holding vessel cost for depositing is higher, when generally gassing body in to depositing the square can, need to use the aspiration pump to manage to find time the air in the holding vessel, when the holding vessel after managing to find time emits into soil gas, and is inconvenient to seal the holding vessel, does not have fine practicality.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a sample collection device for soil gas sampling.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a sample collection device is used in soil gas sampling, including gaseous storage tank, the bottom outer wall fixed connection of gaseous storage tank top outer wall and rubber gooseneck cover, the outer wall excavation that gaseous storage tank is located rubber gooseneck cover below has the thread tooth, the one end that gaseous storage tank was kept away from to rubber gooseneck cover is inserted and is equipped with the plastic hose, the inner wall that rubber gooseneck cover one end was kept away from to the plastic hose is inserted and is equipped with rubber seal strip, the one end that plastic hose was kept away from to the rubber seal strip is fixed with the shutoff head, the outer wall of rubber gooseneck cover is established with the inner wall cover of rubber seal cover and is connected, the inner wall fixed connection of rubber seal cover outer wall and sealed lid, the sealed lid is close to the inner wall excavation of gaseous storage tank one end and.

As a preferable technical scheme, the inner diameter of the rubber sealing sleeve is equal to the outer diameter of the rubber gooseneck sleeve.

As an optimal technical scheme, the former internal diameter size who keeps away from gas storage tank one end of plastic hose equals the external diameter size of rubber seal strip, just plastic hose and rubber seal strip alternate to be connected, shutoff head external diameter size is greater than the external diameter size of rubber seal strip, distance between rubber seal strip top to the bottom is greater than the distance between plastic hose inner wall top to the inner wall bottom.

As a preferable technical scheme, the gas storage tank is in threaded connection with the bottom end of the inner wall of the sealing cover through thread teeth.

As a preferable technical scheme, the distance from the top end to the bottom end of the inner wall of the sealing cover is larger than the distance from the top of the rubber gooseneck sleeve to the bottom of the thread tooth.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a rubber gooseneck cover, plastic hose, shutoff head rubber seal strip's collocation use, the convenience is sealed up the gas of soil gas and is deposited, and through the collocation use of the thread tooth of sealed lid, rubber seal cover, thread groove and gaseous storage tank outer wall, make gaseous depositing have secondary seal's effect, have better leakproofness, just the utility model discloses the cost is lower, and sealed easy operation has fine practicality and popularization nature.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the partial three-dimensional structure of the present invention;

fig. 3 is a schematic perspective view of the gas storage tank of the present invention.

In the figure: 1. a gas storage tank; 2. thread teeth; 3. rubber gooseneck sleeves; 4. a plastic hose; 5. plugging a plug; 6. a sealing cover; 7. a rubber sealing sleeve; 8. a thread groove; 9. a rubber sealing strip.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-3, a sample collection device is used in soil gas sampling, including gaseous storage tank 1, the outer wall of gaseous storage tank 1 top and the bottom outer wall fixed connection of rubber gooseneck cover 3, the outer wall that gaseous storage tank 1 is located rubber gooseneck cover 3 below is opened and is chiseled threaded tooth 2, the one end that gaseous storage tank 1 was kept away from to rubber gooseneck cover 3 is inserted and is equipped with plastic hose 4, the inner wall that rubber gooseneck cover 3 one end was kept away from to plastic hose 4 is inserted and is equipped with rubber sealing strip 9, the one end that plastic hose 4 was kept away from to rubber sealing strip 9 is fixed with shutoff head 5, the outer wall of rubber gooseneck cover 3 is established with the inner wall cover of rubber sealing cover 7 and is connected, the inner wall fixed connection of rubber sealing cover 7 outer wall and sealed lid 6, the inner wall that sealed lid 6 is close to.

The inner diameter of the rubber sealing sleeve 7 is equal to the outer diameter of the rubber gooseneck sleeve 3; the inner diameter of one end of the plastic hose 4, which is far away from the gas storage tank 1, is equal to the outer diameter of the rubber sealing strip 9, the plastic hose 4 is connected with the rubber sealing strip 9 in an inserting mode, the outer diameter of the sealing head 5 is larger than the outer diameter of the rubber sealing strip 9, and the distance from the top to the bottom of the rubber sealing strip 9 is larger than the distance from the top end of the inner wall of the plastic hose 4 to the bottom end of the inner wall; the gas storage tank 1 is in threaded connection with the bottom end of the inner wall of the sealing cover 6 through the thread teeth 2; the distance between the top end and the bottom end of the inner wall of the sealing cover 6 is larger than the distance between the top of the rubber gooseneck sleeve 3 and the bottom of the thread tooth 2.

Specifically, after the gas in the soil is collected, the gas in the gas storage tank 1 is pumped out from one end of the plastic hose 4 far away from the rubber gooseneck sleeve 3 through the air pump, the collected soil gas is injected into the gas storage tank 1 through one end of the plastic hose 4 far away from the rubber gooseneck sleeve 3, after the soil gas of the collection equipment enters the gas storage tank 1, a worker manually pinches one end of the plastic hose 4 close to the rubber gooseneck sleeve 3 to enable two ends of the inner wall of the plastic hose 4 to be close to each other so as to avoid gas leakage, the plugging head 5 is taken out, the rubber sealing strip 9 at the bottom of the plugging head 5 is inserted into one end of the plastic hose 4 far away from the rubber gooseneck sleeve 3 until the bottom of the plugging head 5 is close to the top of the plastic hose 4, the sealing cover 6 is sleeved on the outer wall of the rubber gooseneck sleeve 3, and is close to the outer wall of the rubber gooseneck sleeve 3 through the inner wall of the, make the region between 6 inner wall tops of sealed lid to 3 tops of rubber gooseneck cover can seal, at this moment, the thread groove 8 through 6 bottoms of sealed lid and the 2 threaded connection of the thread tooth on the gaseous holding vessel 1, avoid sealed lid 6 to drop at the in-process of transportation or taking, lead to the gaseous outflow in the gaseous holding vessel 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sample collection device for soil gas sampling, its characterized in that, includes gaseous storage tank (1), the bottom outer wall fixed connection of gaseous storage tank (1) top outer wall and rubber gooseneck cover (3), the outer wall that gaseous storage tank (1) is located rubber gooseneck cover (3) below is opened and is chiseled threaded tooth (2), the one end that gaseous storage tank (1) was kept away from in rubber gooseneck cover (3) is inserted and is equipped with plastic hose (4), the inner wall that rubber gooseneck cover (3) one end was kept away from in plastic hose (4) is inserted and is equipped with rubber sealing strip (9), the one end that plastic hose (4) were kept away from in rubber sealing strip (9) is fixed with sealing cap (5), the outer wall of rubber gooseneck cover (3) is established with the inner wall cover of rubber sealing cap (7) and is connected, the inner wall fixed connection of rubber sealing cap (7) outer wall and sealing cap (6), the inner wall of one end, close to the gas storage tank (1), of the sealing cover (6) is provided with a thread groove (8).

2. The soil gas sampling sample collection device of claim 1, wherein the inner diameter of the rubber sealing sleeve (7) is equal to the outer diameter of the rubber gooseneck sleeve (3).

3. The soil gas sampling sample collection device of claim 1, wherein the inner diameter of the end of the plastic hose (4) away from the gas storage tank (1) is equal to the outer diameter of the rubber sealing strip (9), the plastic hose (4) is connected with the rubber sealing strip (9) in an inserting manner, the outer diameter of the sealing strip (5) is larger than the outer diameter of the rubber sealing strip (9), and the distance from the top to the bottom of the rubber sealing strip (9) is larger than the distance from the top end of the inner wall of the plastic hose (4) to the bottom end of the inner wall.

4. The soil gas sampling sample collection device of claim 1, wherein said gas storage tank (1) is screwed with the bottom end of the inner wall of the sealing cover (6) through the screw thread (2).

5. The soil gas sampling sample collection device of claim 1, wherein the distance from the top end to the bottom end of the inner wall of the sealing cover (6) is greater than the distance from the top of the rubber gooseneck sleeve (3) to the bottom of the screw thread teeth (2).