CN219284772U

CN219284772U - Sampling device

Info

Publication number: CN219284772U
Application number: CN202223483865.7U
Authority: CN
Inventors: 罗明; 张常春; 陈带军; 高泰培; 李新; 李文捷
Original assignee: Jiangsu Huapu Liance Environmental Safety Technology Co ltd
Current assignee: Jiangsu Huapu Liance Environmental Safety Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-30
Anticipated expiration: 2032-12-23

Abstract

The application relates to the technical field of sampling, in particular to a sampling device, and provides a sampling device capable of improving the detection quality of waste gas and reducing the deviation of detection; including the sample bucket, be provided with the piston in the sample bucket, be provided with the pull rod on the piston, sample bucket bottom intercommunication is provided with the breather pipe, spacing subassembly is used for reducing the waste gas in the sample bucket and the external long-time possibility of contact, spacing subassembly includes solid fixed ring, the baffle, two sets of slide bars, two sets of springs and two sets of first fixed plates, gu fixed ring installs in the breather pipe, two sets of slide bars are all installed on gu fixed ring top, first slide hole has been seted up on the baffle, two sets of slide bars respectively with two sets of first slide hole sliding connection, two sets of first fixed plates respectively fixed mounting are on two sets of slide bars, two sets of springs respectively with two sets of slide bar suit, two sets of first fixed plates are connected with the baffle through two sets of springs, the spring is in compressed state, open the subassembly and be used for opening the baffle and make the waste gas in the sample bucket discharge.

Description

Sampling device

Technical Field

The application relates to the technical field of sampling, in particular to a sampling device.

Background

Industrial waste gases are known to be the generic term for various pollutant-containing gases that are emitted into the air during the combustion and production processes of fuels in the factory of an enterprise, these waste gases being: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxide, chlorine, hydrogen chloride, carbon monoxide, sulfuric acid (fog) lead mercury, beryllium compounds, smoke dust and productive dust are discharged into the atmosphere to pollute the air, the substances enter the human body through different paths of respiratory tracts, some substances directly produce harm and accumulation, the health of people is seriously harmed, the components in the waste gas need to be accurately known for treating the waste gas, and a sampling device is needed to collect the waste gas when the waste gas is detected, so that the sampling device is needed.

Through retrieval, the utility model patent with the publication number of CN217180158U discloses an exhaust gas sampling device for industrial exhaust gas detection, which belongs to the technical field of industrial exhaust gas detection and comprises a replaceable sampling tube, wherein the lower end of a protective outer cylinder is provided with a second annular groove, a second connecting ring is embedded into the second annular groove, the inner bottom of the protective outer cylinder is provided with a first annular groove, the inside of the protective outer cylinder is provided with a protective inner cylinder, and the inner cavity of the protective inner cylinder is a sampling storage bin of industrial exhaust gas.

However, the sampling device according to the above prior art is usually connected to the outside through a sampling tube, and after the exhaust gas is collected, the exhaust gas in the sampling device is not detected for a long time, so that the detection quality of the exhaust gas is affected, and the deviation of the detection result is large, so that a sampling device is needed.

Disclosure of Invention

(one) solving the technical problems

To the not enough of prior art, this application provides one kind and can improve the detection quality of waste gas, reduces the sampling device of the deviation that detects.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a sampling device, including the sampling bucket, be provided with the piston in the sampling bucket, be provided with the pull rod on the piston, sampling bucket bottom intercommunication is provided with the breather pipe, spacing subassembly is used for reducing the waste gas in the sampling bucket and the possibility of external long-time contact, spacing subassembly includes solid fixed ring, the baffle, two sets of slide bars, two sets of springs and two sets of first fixed plates, gu fixed ring installs in the breather pipe, two sets of slide bars are all installed on gu fixed ring top, first slide hole has been seted up on the baffle, two sets of slide bars respectively with two sets of first slide hole sliding connection, two sets of first fixed plates respectively fixed mounting are on two sets of slide bars, two sets of springs respectively with two sets of slide bar suit, two sets of first fixed plates are connected with the baffle through two sets of springs, the spring is in compression state, open the subassembly is used for making the waste gas discharge in the sampling bucket with the baffle opening.

Through adopting above-mentioned technical scheme, when beginning to carry out waste gas sampling, through putting into appointed position with the breather pipe on the sample bucket, then drive the piston through pulling the pull rod and remove, the pressure in the sample bucket reduces this moment, because form great pressure differential with the external world, make external gas promote baffle compression spring and open, make waste gas enter into the sample bucket through the breather pipe in, the sample is accomplished the backplate and is passed through the spring and promote and laminate with solid fixed ring, thereby make the waste gas in the sample bucket can not carry out too much contact with external air, can separate baffle and solid fixed ring through opening the subassembly when detecting waste gas, then promote the pull rod and pass through the piston and discharge waste gas, thereby provide a kind and can improve the quality of detection of waste gas, reduce the sampling device of the deviation of detecting.

Preferably, the opening assembly comprises a second fixing plate, a third fixing plate, a sleeve and a screw rod, wherein the second fixing plate is fixedly arranged in the vent pipe, a second sliding hole is formed in the second fixing plate, the sleeve is in sliding connection with the second sliding hole, the third fixing plate is fixedly arranged in the vent pipe, a first rotating hole is formed in the third fixing plate, the screw rod is in rotating connection with the first rotating hole, an internal thread is arranged in the sleeve, and the screw rod is in threaded connection with the internal thread.

Through adopting above-mentioned technical scheme, twist the lead screw and drive sleeve and be close to the baffle, when twist the lead screw comparatively hard this moment baffle and solid fixed ring separate great distance to can detect waste gas through breather pipe discharge, the second fixed plate is used for spacing to the sleeve.

Further, the device also comprises two groups of bevel gears and a rotating rod, wherein the two groups of bevel gears are respectively and fixedly arranged on the screw rod and the rotating rod, the two groups of bevel gears are connected in a meshed manner, a second rotating hole is formed in the vent hole, and the rotating rod is connected with the second rotating hole in a rotating manner.

Through adopting above-mentioned technical scheme, drive the lead screw rotation when rotating the dwang and driving two sets of bevel gears pivoted to realize telescopic flexible.

Still further, be provided with the rubber ring on the baffle, the rubber ring is laminated with the solid fixed ring.

By adopting the technical scheme, the rubber ring can improve the tightness between the baffle and the fixed ring.

On the basis of the scheme, the rotating rod is provided with a connecting plate.

By adopting the technical scheme, the connecting plate is twisted to conveniently rotate the rotating rod.

Further, a limiting ring is arranged in the sampling barrel.

By adopting the technical scheme, the limit ring can reduce the possibility that the piston is pulled out.

(III) beneficial effects

Compared with the prior art, the application provides a sampling device, possesses following beneficial effect:

when waste gas sampling is started, through putting into the breather pipe on the sampling bucket into appointed position, then drive the piston through the pulling pull rod and remove, the pressure in the sampling bucket reduces this moment, because form great pressure difference with the external world, make external gas promote baffle compression spring and open, make waste gas enter into the sampling bucket through the breather pipe in, the sample is accomplished the backplate and is passed through the spring and promote and laminate with solid fixed ring, thereby make the waste gas in the sampling bucket can not carry out too much contact with external air, can separate baffle and solid fixed ring through opening the subassembly when detecting waste gas, then promote the pull rod and pass through the piston with waste gas discharge, thereby provide a kind and can improve the quality of detection of waste gas, reduce the sampling device of the deviation of detecting.

Drawings

FIG. 1 is a schematic cross-sectional view of the present application;

FIG. 2 is a schematic bottom view of the sleeve and its connection structure;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 of the present application;

fig. 4 is an enlarged schematic view of the B part in fig. 3 of the present application.

Reference numerals: 1. a pull rod; 2. a vent pipe; 3. a fixing ring; 4. a baffle; 5. a slide bar; 6. a spring; 7. a first fixing plate; 8. a second fixing plate; 9. a third fixing plate; 10. a sleeve; 11. a screw rod; 12. bevel gears; 13. a rotating lever; 14. a rubber ring; 15. a connecting plate; 16. a limiting ring; 17. a sampling barrel; 18. and (3) a piston.

Detailed Description

Examples

Referring to fig. 1-4, a sampling device is provided with a piston in a sampling barrel, a pull rod 1 is arranged on the piston, the bottom end of the sampling barrel is communicated with a vent pipe 2, when waste gas sampling begins, the vent pipe 2 on the sampling barrel is placed in a designated position, then the piston is driven to move by pulling the pull rod 1, a limiting ring 16 is arranged in the sampling barrel, the possibility that the piston is pulled out of the sampling barrel can be reduced by the limiting ring 16, a fixed ring 3 is arranged in the vent pipe 2, a rubber ring is arranged on a baffle 4 and is attached to the fixed ring 3, the tightness of the baffle 4 and the fixed ring 3 is improved by the rubber ring, two groups of slide rods 5 are respectively arranged at the top end of the fixed ring 3, first slide holes are formed on the baffle 4, the two groups of slide rods 5 are respectively and slidably connected with the two groups of first slide holes, and two groups of first fixed plates 7 are respectively fixedly arranged on the two groups of slide rods 5, the two groups of springs 6 are respectively sleeved with the two groups of sliding rods 5, the two groups of first fixing plates 7 are connected with the baffle 4 through the two groups of springs 6, the two groups of springs 6 can be limited through the two groups of first fixing plates 7, so that the springs 6 can work smoothly, the springs 6 are in a compressed state, the possibility of loosening the baffle 4 can be reduced through compacting the baffle 4, when sampling is carried out, the pressure in the sampling barrel is reduced, because of forming a larger pressure difference with the outside, the outside air pushes the baffle 4 to compress the springs 6 and open, so that waste gas enters the sampling barrel through the ventilation pipe 2, the baffle 4 pushes the fixing ring 3 to be attached through the springs 6 after the sampling is completed, so that waste gas in the sampling barrel cannot excessively contact with the outside air, the second fixing plate 8 is fixedly arranged in the ventilation pipe 2, the second sliding hole is formed in the second fixing plate 8, the sleeve 10 is in sliding connection with the second sliding hole, the third fixed plate 9 fixed mounting is in breather pipe 2, first rotation hole has been seted up on the third fixed plate 9, lead screw 11 rotates with first rotation to be connected, be provided with the internal thread in sleeve 10, lead screw 11 and internal thread threaded connection drive sleeve 10 to baffle 4 be close to through twisting lead screw 11, baffle 4 and solid fixed ring 3 separate great distance this moment when screwing on lead screw 11 comparatively laborious, thereby promote the piston and can detect waste gas through breather pipe 2 discharge, second fixed plate 8 is used for the spacing to sleeve 10, thereby provide one kind and can improve the quality of detection of waste gas, reduce the sampling device of the deviation of detection.

Referring to fig. 1 and 3, two sets of bevel gears 12 are respectively and fixedly mounted on a screw rod 11 and a rotating rod 13, the two sets of bevel gears 12 are in meshed connection, a second rotating hole is formed in the vent hole, the rotating rod 13 is in rotating connection with the second rotating hole, and the screw rod 11 is driven to rotate while the two sets of bevel gears 12 are driven to rotate by the rotating rod 13, so that the sleeve 10 stretches.

Referring to fig. 1 and 3, a connecting plate 15 is disposed on the rotating rod 13, and the rotating rod 13 is conveniently rotated by pulling the connecting plate 15.

To sum up, when this sampling device is when using, when beginning to carry out waste gas sampling, through putting into appointed position with breather pipe 2 on the sample bucket, then drive the piston through pulling pull rod 1 and remove, the pressure in the sample bucket reduces this moment, because form great pressure differential with the external world, make external gas promote baffle 4 compression spring 6 and open, make waste gas enter into the sample bucket through breather pipe 2 in, the sample is accomplished the backplate 4 and is promoted through spring 6 and laminate with solid fixed ring 3, thereby make the waste gas in the sample bucket can not carry out too much contact with external air, can separate baffle 4 and solid fixed ring 3 through opening the subassembly when detecting waste gas, then promote pull rod 1 and pass through the piston and detect waste gas discharge.

Claims

1. A sampling device comprises a sampling barrel, a piston is arranged in the sampling barrel, a pull rod is arranged on the piston, and a vent pipe is communicated with the bottom end of the sampling barrel; characterized by further comprising:

the limiting component is used for reducing the possibility of long-time contact between waste gas in the sampling barrel and the outside, and comprises a fixed ring, a baffle plate, two groups of sliding rods, two groups of springs and two groups of first fixed plates, wherein the fixed ring is arranged in the vent pipe;

and the opening assembly is used for opening the baffle plate to discharge the waste gas in the sampling barrel.

2. A sampling device according to claim 1, wherein: the opening assembly comprises a second fixing plate, a third fixing plate, a sleeve and a screw rod, wherein the second fixing plate is fixedly arranged in the vent pipe, a second sliding hole is formed in the second fixing plate, the sleeve is in sliding connection with the second sliding hole, the third fixing plate is fixedly arranged in the vent pipe, a first rotating hole is formed in the third fixing plate, the screw rod is in rotating connection with the first rotating hole, an internal thread is arranged in the sleeve, and the screw rod is in threaded connection with the internal thread.

3. A sampling device according to claim 2, wherein: the device also comprises two groups of bevel gears and a rotating rod, wherein the two groups of bevel gears are respectively and fixedly arranged on the screw rod and the rotating rod, the two groups of bevel gears are connected in a meshed manner, a second rotating hole is formed in the vent hole, and the rotating rod is connected with the second rotating hole in a rotating manner.

4. A sampling device according to claim 1, wherein: the baffle is provided with a rubber ring, and the rubber ring is attached to the fixing ring.

5. A sampling device according to claim 3, wherein: the rotating rod is provided with a connecting plate.

6. A sampling device according to claim 1, wherein: and a limiting ring is arranged in the sampling barrel.