CN211740790U

CN211740790U - Air collection system for environmental detection

Info

Publication number: CN211740790U
Application number: CN202020278735.1U
Authority: CN
Inventors: 甘大丽; 许才圣; 徐沐阳
Original assignee: Anhui Haiheng Testing Technology Co ltd
Current assignee: Anhui Haiheng Testing Technology Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-10-23
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses an environmental detection uses air acquisition device, the cylinder cap is close to annular ring one side and has seted up the bell jar, and the gas pocket that is linked together with the bell jar is seted up to the central part of cylinder cap, and the gas pocket inboard is connected with the bell jar assorted toper stopper through extension spring fixedly connected with through the gas pocket, and the outside of pivot is rotated and is connected with the barrel, and the outside of barrel is fixed with the bracing piece, and the one end that the barrel was kept away from to the bracing piece is fixed with the cover body, and one side intercommunication. The device forms suction in making the cylinder through the removal of piston, and the cylinder collects gaseous back of accomplishing, and the extension spring stops up the bell jar with the conical plug pullback this moment, seals the cylinder. The gas that the through-hole blew off carries out high-pressure gas to the cylinder cap and the piston that exposes and sprays to blow off the dust of cylinder cap and piston, thereby make and remain the dust in the cylinder and by most clear away, reduce the influence to the next sampling gas.

Description

Air collection system for environmental detection

Technical Field

The utility model relates to an environment detection technology field specifically is an air collection system for environment detection.

Background

Atmospheric sampling in environmental detection is a process of collecting gas samples in atmosphere or polluted air samples, and the atmospheric sampling is an important step of atmospheric environmental detection, and has a great reliability relation to detection data. Currently, there are two types of field sampling methods: one is to make a large amount of air pass through a liquid absorbent or a solid adsorbent to enrich pollutants with low concentration in the atmosphere, such as an air extraction method and a filter membrane method, which are usually used for conventional gas factor detection; the method is adopted, namely, a gas sample enters the absorption liquid under a certain flow rate, and the content concentration of the gas sample is calculated according to the fixed gas factor in the absorption liquid; and the other type is that a container is used for collecting a gas sample of a corresponding sampling sample, and the method is mainly used for detecting gas factors which cannot be fixed by an absorbent, such as odor concentration, non-methane total hydrocarbon and the like in the atmosphere, and the gas sample needs to be filled into a sampling device and detected in a laboratory in a gas phase form.

The existing adopted equipment easily causes dust to adhere to the inner wall of the container after sampling is completed, and the residual dust easily influences the components of the next gas sample, so that the accuracy of the sampled gas detection data is influenced, and therefore, the air collection device for environment detection is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air collecting device for environmental detection 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: an air collecting device for environment detection comprises a vehicle body, wherein a support is fixed at the top of the vehicle body, a cylinder is welded on one side of the top of the support, a sleeve is sleeved on the outer side of the cylinder in a sliding manner, a cylinder barrel is uniformly and annularly fixed on the outer side of the sleeve, a first electric push rod is fixed at the bottom of the cylinder barrel, a piston is arranged in the cylinder barrel, the push rod of the first electric push rod is fixed on one side of the piston, a disc is fixed on one side of the cylinder body, which is far away from the support, a cylinder cover matched with the cylinder barrel is uniformly and annularly fixed on the lateral side of the disc, an annular ring is welded on the outer side of the cylinder cover, an annular groove is formed in the inner side of the annular ring, an annular bulge inserted into the annular groove is welded on the outer side of the cylinder barrel, an air outlet pipe is fixed on the outer side, the gas pocket that is linked together with the bell jar is seted up to the central part of cylinder cap, the gas pocket inboard is through extension spring fixedly connected with and bell jar assorted toper stopper, one side of toper stopper is fixed with inserts the inboard post that pushes away of extension spring, one side of cylinder is fixed with the pivot, the outside of pivot is rotated and is connected with the barrel, the outside of barrel is fixed with the bracing piece, the one end that the barrel was kept away from to the bracing piece is fixed with the cover body, one side intercommunication of the cover body has exhaust pipe joint.

Preferably, a mesh plate is fixed to one side of the cover body.

Preferably, a guide rod penetrating through the annular protrusion is fixed on one side of the cylinder cover.

Preferably, an air pump is fixed on the outer side of the cylinder cover, and an air outlet of the air pump is communicated with the air outlet pipe through a pipeline.

Preferably, a circular plate is fixed on the outer side of the cylinder, positioning holes are uniformly formed in one side of the circular plate in an annular shape, a protruding plate is fixed on one side of the rotating shaft, and a fastening bolt inserted into the positioning holes is connected to one side of the protruding plate in a threaded manner.

Preferably, a switch group is fixed at the top of the vehicle body, and the output end of the switch group is electrically connected with the input ends of the first electric push rod, the air pump and the second electric push rod respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the device makes the interior suction that forms of cylinder through the removal of piston, and suction is greater than the extension spring and to the back of dragging power of toper stopper, and the toper stopper breaks away from the bell jar to make in the cylinder from the gas pocket suction gas, the cylinder collects gaseous completion back, and the bell jar is blocked up with the pull back of toper stopper to the extension spring this moment, seals the cylinder. After gas outgoing accomplishes in the cylinder, the dust of the removal of piston with the cylinder inner wall strikes off and concentrates, draw the sleeve through second electric putter and remove, make the sleeve drive the cylinder and remove and break away from the cylinder cap, make the gas that the through-hole blew off carry out high-pressure gas to the cylinder cap and the piston that exposes and spray, thereby blow down the dust of cylinder cap and piston, the dust is discharged through the gap between a plurality of cylinder caps, then control second electric putter promotes the cylinder and remove, make cylinder and cylinder cap closely laminate, accomplish the closing of cylinder cap and cylinder and cover the action, it is gaseous to make things convenient for next time to gather, thereby make and remain the dust in the cylinder and be clear away by most, reduce the gaseous influence of sampling next time.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the structure of the cylinder cover of the present invention;

fig. 4 is a schematic diagram of a circular plate structure of the present invention;

fig. 5 is a schematic diagram of the cover structure of the present invention.

In the figure: 1. a vehicle body; 2. a support; 3. a cylinder; 4. a disc; 5. a cylinder cover; 6. a sleeve; 7. a cylinder barrel; 8. a rotating shaft; 9. a barrel; 10. a circular plate; 11. a raised plate; 12. fastening a bolt; 13. positioning holes; 14. air holes; 15. a tension spring; 16. a conical plug; 17. pushing the column; 18. a tapered groove; 19. an annular groove; 20. an air outlet pipe; 21. a through hole; 22. an annular projection; 23. an air pump; 24. a first electric push rod; 25. a piston; 26. a guide bar; 27. a support bar; 28. a cover body; 29. an exhaust pipe joint; 30. a mesh plate; 31. a switch group; 32. a second electric push rod; 33. an annular ring.

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.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an air collection system for environmental detection, includes automobile body 1, the top of automobile body 1 is fixed with support 2, the top one side welding of support 2 has cylinder 3, the outside of cylinder 3 is slided and is cup jointed sleeve 6, the outside of sleeve 6 is cyclic annular evenly to be fixed with cylinder 7, the cylinder bottom of cylinder 7 is fixed with first electric putter 24, be equipped with piston 25 in the cylinder 7, the push rod of first electric putter 24 is fixed in one side of piston 25, one side that support 2 was kept away from to cylinder 3 is fixed with disc 4, the avris of disc 4 is cyclic annular evenly to be fixed with cylinder cap 5 with cylinder 7 assorted, the outside welding of cylinder cap 5 has annular ring 33, annular groove 19 has been seted up to the inboard of annular ring 33, the outside welding of cylinder 7 has the annular arch 22 of inserting in annular groove 19, the outside of annular ring 33 is fixed with out tuber pipe 20, the tuber pipe 20 communicates in ring channel 19 inner chamber through-hole 21, the bell mouth 18 has been seted up to cylinder cap 5 near annular ring 33 one side, the gas pocket 14 that is linked together with bell mouth 18 is seted up to the central part of cylinder cap 5, the gas pocket 14 is inboard to be passed through extension spring 15 fixedly connected with and bell mouth 18 assorted toper stopper 16, one side of toper stopper 16 is fixed with inserts the inboard push post 17 of extension spring 15, one side of cylinder 3 is fixed with pivot 8, the outside of pivot 8 is rotated and is connected with barrel 9, the outside of barrel 9 is fixed with bracing piece 27, the one end that barrel 9 was kept away from to bracing piece 27 is fixed with the cover body 28, one side intercommunication of the cover body 28 has exhaust coupling 29.

Specifically, a mesh plate 30 is fixed on one side of the cover 28; the reticular plate 30 can guarantee that the airflow can normally circulate when the push column 17 is pressed, one end of the push column 17, which is in contact with the reticular plate 30, is arranged in a spherical surface manner, and a sealing gasket is arranged between the cover body 28 and the cylinder cover 5 to prevent the gas leakage. A guide rod 26 penetrating through the annular bulge 22 is fixed on one side of the cylinder cover 5; the guide rod 26 can ensure that the cylinder cover 5 and the cylinder barrel 7 can be accurately closed. An air pump 23 is fixed on the outer side of the cylinder cover 5, and an air outlet of the air pump 23 is communicated with the air outlet pipe 20 through a pipeline; the air pump 23 is used for outputting high-pressure air to the air outlet pipe 20. A circular plate 10 is fixed on the outer side of the cylinder 9, positioning holes 13 are uniformly formed in one side of the circular plate 10 in an annular shape, a protruding plate 11 is fixed on one side of the rotating shaft 8, and a fastening bolt 12 inserted into the positioning hole 13 is connected to one side of the protruding plate 11 in a threaded manner; the fastening bolt 12 is inserted into the positioning hole 13 to lock the position of the support rod 27. A switch group 31 is fixed on the top of the vehicle body 1, and the output end of the switch group 31 is electrically connected with the input ends of the first electric push rod 24, the air pump 23 and the second electric push rod 32 respectively; the switch group 31 is composed of a plurality of switches, the plurality of switches respectively control the working states of the first electric push rod 24, the air pump 23 and the second electric push rod 32, and the vehicle body 1 needs to be provided with a battery electrically connected with the input end of the switch group 31 before use.

Working principle or structural principle, when in use, the fastening bolt 12 is detached to enable the fastening bolt 12 to be separated from the positioning hole 13, then the circular plate 10 is rotated through a handle arranged at the side of the circular plate 10, the circular plate 10 drives the cover body 28 to rotate through the supporting rod 27, so that the cover body 28 does not touch the push pillar 17, different cylinders 7 are selected to be used according to requirements, after the cylinders 7 are selected to be used, the switch group 31 is used to control the first electric push rod 24 belonging to the selected cylinder 7 to pull the piston 25 to move, the movement of the piston 25 enables the cylinder 7 to form suction force, after the suction force is larger than the pulling force of the tension spring 15 on the conical plug 16, the conical plug 16 is separated from the conical groove 18, so that gas is sucked from the air hole 14 in the cylinder 7, after the cylinder 7 finishes gas collection, the first electric push rod 24 is controlled to stop working, at this time, the tapered groove 18 is closed to seal the cylinder 7. When the gas in the cylinder 7 needs to be discharged, the cover body 28 is rotated to move to the push column 17, the mesh plate 30 extrudes and pushes the push column 17 to move, so that the push column 17 drives the conical plug 16 to be separated from the conical groove 18, then the first electric push rod 24 is controlled to push the piston 25 to move to discharge the gas in the cylinder 7, and the gas is discharged into the cover body 28 through the air hole 14 and is discharged outwards through the exhaust pipe joint 29. Start air pump 23 with gaseous input air-out pipe 20, by air-out pipe 20 with gaseous outside high-pressure injection from through-hole 21, gas discharge accomplishes the back in cylinder 7, the removal of piston 25 strikes off and concentrates the dust of cylinder 7 inner wall, control second electric putter 32 through switch block 31 and draw sleeve 6 and remove, make sleeve 6 drive cylinder 7 remove and break away from cylinder lid 5, make annular protrusion 22 remove to ring channel 19 opposite side, make the gas that the through-hole 21 blew out carry out high-pressure gas to cylinder lid 5 and the piston 25 that exposes and spray, thereby blow off the dust of cylinder lid 5 and piston 25, the dust is discharged through the gap between a plurality of cylinder lids 5, then control second electric putter 32 promotes cylinder 7 and removes, make cylinder 7 and cylinder lid 5 closely laminate, accomplish the action of closing lid of cylinder lid 5 and cylinder 7, make things convenient for next time gather gas.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air collection system for environmental detection, includes the automobile body, its characterized in that: the top of the vehicle body is fixed with a support, one side of the top of the support is welded with a cylinder, the outer side of the cylinder is sleeved with a sleeve in a sliding manner, the outer side of the sleeve is annularly and uniformly fixed with a cylinder barrel, the bottom of the cylinder barrel is fixed with a first electric push rod, a piston is arranged in the cylinder barrel, the push rod of the first electric push rod is fixed on one side of the piston, one side of the cylinder far away from the support is fixed with a disc, the lateral side of the disc is annularly and uniformly fixed with a cylinder cover matched with the cylinder barrel, the outer side of the cylinder cover is welded with an annular ring, the inner side of the annular ring is provided with an annular groove, the outer side of the cylinder barrel is welded with an annular bulge inserted into the annular groove, the outer side of the annular ring is fixed with an air outlet pipe, the air outlet pipe is communicated with an inner cavity of the, the gas pocket is inboard through extension spring fixedly connected with and bell jar assorted toper stopper, one side of toper stopper is fixed with inserts the inboard post that pushes away of extension spring, one side of cylinder is fixed with the pivot, the outside of pivot is rotated and is connected with the barrel, the outside of barrel is fixed with the bracing piece, the one end that the barrel was kept away from to the bracing piece is fixed with the cover body, one side intercommunication of the cover body has exhaust pipe joint.

2. The air collection system for environmental inspection according to claim 1, wherein: a reticular plate is fixed on one side of the cover body.

3. The air collection system for environmental inspection according to claim 1, wherein: and a guide rod penetrating through the annular bulge is fixed on one side of the cylinder cover.

4. The air collection system for environmental inspection according to claim 1, wherein: the outside of cylinder cap is fixed with the air pump, the gas outlet of air pump is linked together through pipeline and play tuber pipe.

5. The air collection system for environmental inspection according to claim 1, wherein: a circular plate is fixed on the outer side of the barrel, positioning holes are uniformly formed in one side of the circular plate in an annular mode, a protruding plate is fixed on one side of the rotating shaft, and a fastening bolt inserted into the positioning holes is connected to one side of the protruding plate in a threaded mode.

6. The air collection system for environmental inspection according to claim 1, wherein: the top of automobile body is fixed with the switch group, the output of switch group respectively with first electric putter, air pump and second electric putter's input electric connection.