CN212871905U

CN212871905U - But height-adjusting's soil greenhouse gas collection system

Info

Publication number: CN212871905U
Application number: CN202021525352.6U
Authority: CN
Inventors: 丘清燕
Original assignee: Fujian Agriculture and Forestry University
Current assignee: Fujian Agriculture and Forestry University
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-02
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to a gaseous collection system technical field specifically is a but height-adjusting's soil greenhouse gas collection system, including device main part, balance mechanism, closing plate, stopper and porous chimney, porous chimney is installed to the bottom of device main part, and the bottom welding of porous chimney has the tip, the surface cover of device main part is equipped with the stopper, and the surface threaded connection of stopper has fixing bolt to fixing bolt's bottom run through the stopper lateral wall and with the surface in close contact with of device main part, the bottom of stopper is provided with balance mechanism, the surface of stopper is carved with the scale mark, the bottom mounting of device main part has the closing plate, the top of closing plate is provided with the gas collection injection pipe. The utility model discloses not only improve gas collection system's gas tightness, guaranteed that gas collection system gets into soil perpendicularly, realized the function to the collection of different degree of depth soil greenhouse gas moreover.

Description

But height-adjusting's soil greenhouse gas collection system

Technical Field

The utility model relates to a gaseous collection system technical field specifically is a but height-adjusting's soil greenhouse gas collection system.

Background

Greenhouse gases refer to gases in the atmosphere which can absorb solar radiation reflected by the ground and re-emit the radiation, such as water vapor, carbon dioxide, most refrigerants and the like, and soil greenhouse gas collection devices are needed for collecting the greenhouse gases in the soil in order to know the content of the greenhouse gases in the soil.

The gas collecting device on the market is various and can basically meet the use requirements of people, but certain problems still exist, and the specific problems are as follows:

1. the traditional gas collecting device is poor in air tightness in use, so that the concentration determination of soil greenhouse gas is seriously influenced;

2. when the traditional gas collecting device is used, the inclination phenomenon is easy to occur generally, and the gas collecting device is difficult to ensure to vertically enter soil, so that the accuracy and precision of the device are greatly influenced;

3. when the traditional gas collecting device is used, the collection of soil gases at different depths is difficult, so that great trouble is brought to people in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but height-adjusting's soil greenhouse gas collection system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a height-adjustable soil greenhouse gas collecting device comprises a device main body, a balance mechanism, a sealing plate, a limiting block and a porous gas collecting cylinder, wherein the porous gas collecting cylinder is installed at the bottom end of the device main body, a sharp head is welded at the bottom end of the porous gas collecting cylinder, the surface of the device main body is sleeved with the limiting block, a fixing bolt is in threaded connection with the surface of the limiting block, the bottom end of the fixing bolt penetrates through the side wall of the limiting block and is in close contact with the surface of the device main body, the balance mechanism is arranged at the bottom end of the limiting block, a scale mark is carved on the surface of the limiting block, a level gauge is installed on the surface of the device main body above the scale mark, the sealing plate is fixed at the bottom end of the device main body, an arc-shaped groove is formed in the inner wall of the sealing plate, and the gas collecting hard pipe penetrates through the sealing plate and extends to the interior of the device main body.

Preferably, double-screw bolt, regulating plate, rectangle slider, rectangle cavity, thread bush, rectangle spout and limiting plate have been set gradually to balance mechanism's inside, the rectangle cavity has been seted up to the bottom of stopper, and has all seted up the rectangle spout on two inner walls of rectangle cavity to the inside of rectangle spout is provided with the rectangle slider.

Preferably, the inside of rectangle cavity is provided with the regulating plate, and the limiting plate is all installed at the both ends of regulating plate to one side of limiting plate and the fixed surface of rectangle slider are connected.

Preferably, the top of regulating plate is fixed with the double-screw bolt, and the surperficial threaded connection of double-screw bolt has the thread bush to the top of thread bush is articulated mutually with the bottom of stopper.

Preferably, a piston is arranged inside the gas collection injection pipe, the side wall of the piston is tightly attached to the inside of the gas collection injection pipe, an injection shaft is installed inside the gas collection injection pipe at the top end of the piston, and one end of the injection shaft extends to the outside of the gas collection injection pipe.

Preferably, the inside of arc wall is provided with sealed the pad, and sealed one side of filling up closely laminates with the surface of gas collection hard tube, the surface threaded connection of closing plate has equidistant gland nut, and gland nut's bottom runs through the lateral wall of closing plate and is articulated mutually with sealed surperficial of filling up.

Compared with the prior art, the beneficial effects of the utility model are that: the height-adjustable soil greenhouse gas collecting device not only improves the air tightness of the gas collecting device, ensures that the gas collecting device vertically enters the soil, but also realizes the function of collecting greenhouse gases in soils at different depths;

1. by arranging the sealing nut, the sealing plate, the arc-shaped groove and the sealing gasket, the sealing nut is rotated to push the sealing gasket to move under the action of the sealing plate, so that one side of the sealing gasket is tightly attached to the surface of the gas collection hard tube, the gas tightness of the gas collection device is improved, and external gas is prevented from being sucked in during gas collection, so that the concentration determination of the gas in the soil is influenced;

2. by arranging the level gauge, the stud, the adjusting plate, the threaded sleeve and the limiting plate, under the indicating action of the level gauge, the stud pushes the adjusting plate to move by rotating the threaded sleeve, so that the limiting plate is driven to move downwards until the level gauge reaches a balanced state, the gas collecting device is ensured to vertically enter soil, and the accuracy and precision of the device are improved;

3. through being provided with scale mark, fixing bolt and stopper, through rotatory fixing bolt, make the stopper relax mutually with the surface of device main part, remove stopper to suitable position department under the instruction of scale mark, the reverse rotatory fixing bolt of rethread makes stopper rigidity, causes the bottom of stopper and ground to contact to realized the function of gathering different degree of depth soil greenhouse gas, improved gas collection device performance.

Drawings

Fig. 1 is a schematic view of the appearance structure of the utility model;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic view of the sealing plate of the present invention showing an enlarged top view;

fig. 4 is an enlarged schematic structural diagram of the present invention.

In the figure: 1. a device main body; 2. scale lines; 3. a balancing mechanism; 301. a stud; 302. an adjusting plate; 303. a rectangular slider; 304. a rectangular cavity; 305. a threaded sleeve; 306. a rectangular chute; 307. a limiting plate; 4. fixing the bolt; 5. a seal nut; 6. a gas collection injection tube; 7. an injection shaft; 8. a sealing plate; 9. a level gauge; 10. a limiting block; 11. a porous gas cylinder; 12. a tip; 13. a gas collection hard tube; 14. a piston; 15. an arc-shaped slot; 16. and a gasket.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a height-adjustable soil greenhouse gas collecting device comprises a device main body 1, a balance mechanism 3, a sealing plate 8, a limiting block 10 and a porous gas collecting cylinder 11, wherein the porous gas collecting cylinder 11 is installed at the bottom end of the device main body 1, a pointed end 12 is welded at the bottom end of the porous gas collecting cylinder 11, the limiting block 10 is sleeved on the surface of the device main body 1, a fixing bolt 4 is in threaded connection with the surface of the limiting block 10, the bottom end of the fixing bolt 4 penetrates through the side wall of the limiting block 10 and is in tight contact with the surface of the device main body 1, and the balance mechanism 3 is arranged at the bottom;

the balance mechanism 3 is internally provided with a stud 301, an adjusting plate 302, a rectangular slider 303, a rectangular cavity 304, a threaded sleeve 305, a rectangular sliding groove 306 and a limiting plate 307 in sequence, the bottom end of the limiting block 10 is provided with the rectangular cavity 304, the two inner walls of the rectangular cavity 304 are both provided with the rectangular sliding groove 306, the rectangular slider 303 is arranged inside the rectangular sliding groove 306, the adjusting plate 302 is arranged inside the rectangular cavity 304, the two ends of the adjusting plate 302 are both provided with the limiting plates 307, one side of each limiting plate 307 is fixedly connected with the surface of the rectangular slider 303, the top end of the adjusting plate 302 is fixed with the stud 301, the surface of the stud 301 is in threaded connection with the threaded sleeve 305, and the top end of the threaded sleeve 305 is hinged with the;

when the gas collecting device is used, under the indicating action of the level gauge 9, the threaded sleeve 305 is rotated, so that the stud 301 pushes the adjusting plate 302 to move, the limiting plate 307 is driven to move downwards along the rectangular sliding groove 306 under the action of the rectangular sliding block 303 until the level gauge 9 reaches a balanced state, the gas collecting device is ensured to vertically enter soil, and the accuracy and precision of the gas collecting device are improved;

the surface of the limiting block 10 is marked with a scale mark 2, a level 9 is arranged on the surface of the device body 1 above the scale mark 2, a sealing plate 8 is fixed at the bottom end of the device body 1, an arc-shaped groove 15 is formed in the inner wall of the sealing plate 8, a sealing gasket 16 is arranged inside the arc-shaped groove 15, one side of the sealing gasket 16 is tightly attached to the surface of the gas collection hard tube 13, sealing nuts 5 with equal intervals are connected to the surface of the sealing plate 8 in a threaded manner, the bottom end of each sealing nut 5 penetrates through the side wall of the sealing plate 8 and is hinged to the surface of the corresponding sealing gasket 16, a gas collection injection tube 6 is arranged above the sealing plate 8, the bottom end of the gas collection injection tube 6 is provided with the gas collection hard tube 13, the gas collection hard tube 13 penetrates through the sealing plate 8 and extends into the device body 1, a piston 14 is arranged inside the gas collection injection tube 6, and the side wall of, an injection shaft 7 is installed inside the gas collection injection pipe 6 at the top end of the piston 14, and one end of the injection shaft 7 extends to the outside of the gas collection injection pipe 6.

The working principle is as follows: when in use, firstly, the fixing bolt 4 is rotated to enable the limiting block 10 to be loosened with the surface of the device main body 1, the limiting block 10 is moved to a proper position under the indication of the scale mark 2, then the fixing bolt 4 is rotated reversely to enable the limiting block 10 to be fixed, then the device main body 1, the porous gas collecting cylinder 11 and the pointed end 12 are inserted into soil to enable the bottom end of the limiting block 10 to be contacted with the ground, thereby realizing the function of collecting greenhouse gases in soil at different depths, improving the service performance of the gas collecting device, meanwhile, under the indication action of the level gauge 9, the stud 301 pushes the adjusting plate 302 to move by rotating the thread sleeve 305, thereby driving the limiting plate 307 to move downwards along the rectangular sliding chute 306 under the action of the rectangular sliding block 303 until the level gauge 9 reaches a balanced state, thereby ensuring that the gas collecting device vertically enters the soil, the accuracy and the precision of the device are improved, then the gas collection hard tube 13 is inserted into the device main body 1, the sealing nut 5 is rotated to push the sealing gasket 16 to move under the action of the sealing plate 8, one side of the sealing gasket 16 is tightly attached to the surface of the gas collection hard tube 13, the air tightness of the gas collection device is improved, external gas is prevented from being sucked in during gas collection, concentration determination of gas in soil is influenced, greenhouse gas in the soil enters the device main body 1 through the porous gas collecting cylinder 11, the injection shaft 7 is pulled to enable the piston 14 to move upwards along the inner wall of the gas collection injection tube 6, the greenhouse gas in the device main body 1 is guided into the gas collection injection tube 6 through the gas collection hard tube 13, and finally the use work of the gas collection device is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a but height-adjusting's soil greenhouse gas collection system, includes device main part (1), balance mechanism (3), closing plate (8), stopper (10) and porous gas cylinder (11), its characterized in that: the device is characterized in that a porous gas collecting cylinder (11) is installed at the bottom end of the device main body (1), a tip (12) is welded at the bottom end of the porous gas collecting cylinder (11), a limiting block (10) is sleeved on the surface of the device main body (1), a fixing bolt (4) is connected to the surface of the limiting block (10) in a threaded mode, the bottom end of the fixing bolt (4) penetrates through the side wall of the limiting block (10) and is in close contact with the surface of the device main body (1), a balance mechanism (3) is arranged at the bottom end of the limiting block (10), scale marks (2) are carved on the surface of the limiting block (10), a level gauge (9) is installed on the surface of the device main body (1) above the scale marks (2), a sealing plate (8) is fixed at the bottom end of the device main body (1), an arc-shaped groove (15) is formed in the inner wall, and the bottom end of the gas collection injection pipe (6) is provided with a gas collection hard pipe (13), and the gas collection hard pipe (13) penetrates through the sealing plate (8) and extends to the inside of the device main body (1).

2. The height-adjustable soil greenhouse gas collecting device as claimed in claim 1, wherein: the balance mechanism is characterized in that a stud (301), an adjusting plate (302), a rectangular sliding block (303), a rectangular cavity (304), a threaded sleeve (305), a rectangular sliding groove (306) and a limiting plate (307) are sequentially arranged inside the balance mechanism (3), the rectangular cavity (304) is formed in the bottom end of the limiting block (10), the rectangular sliding grooves (306) are formed in two inner walls of the rectangular cavity (304), and the rectangular sliding block (303) is arranged inside the rectangular sliding groove (306).

3. The height-adjustable soil greenhouse gas collecting device as claimed in claim 2, wherein: the adjusting plate (302) is arranged inside the rectangular cavity (304), the two ends of the adjusting plate (302) are provided with the limiting plates (307), and one side of each limiting plate (307) is fixedly connected with the surface of the rectangular sliding block (303).

4. The height-adjustable soil greenhouse gas collecting device as claimed in claim 3, wherein: the top of regulating plate (302) is fixed with double-screw bolt (301), and the surperficial threaded connection of double-screw bolt (301) has thread bush (305), and the top of thread bush (305) is articulated mutually with the bottom of stopper (10).

5. The height-adjustable soil greenhouse gas collecting device as claimed in claim 1, wherein: the gas collection injection tube is characterized in that a piston (14) is arranged inside the gas collection injection tube (6), the side wall of the piston (14) is tightly attached to the inside of the gas collection injection tube (6), an injection shaft (7) is arranged inside the gas collection injection tube (6) at the top end of the piston (14), and one end of the injection shaft (7) extends to the outside of the gas collection injection tube (6).

6. The height-adjustable soil greenhouse gas collecting device as claimed in claim 1, wherein: the inside of arc wall (15) is provided with sealed pad (16), and the surface of one side and gas collection hard tube (13) of sealed pad (16) closely laminates, the surface threaded connection of closing plate (8) has equidistant gland nut (5), and the bottom of gland nut (5) runs through the lateral wall of closing plate (8) and is articulated mutually with the surface of sealed pad (16).