CN221302901U

CN221302901U - Gas sampling device

Info

Publication number: CN221302901U
Application number: CN202322844893.5U
Authority: CN
Inventors: 杨连奎; 陈春霞; 陈昌轩; 林雁梅
Original assignee: Fujian Yanxing Gases Co ltd
Current assignee: Fujian Yanxing Gases Co ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-07-09
Anticipated expiration: 2033-10-24

Abstract

The utility model discloses a gas sampling device which comprises a sampling tube, a vent tube, a vacuum suction mechanism, an operation handle, a wireless controller and an exhaust mechanism, wherein a plurality of gas storage grooves are formed in the sampling tube, the front side of each gas storage groove is provided with the vent tube communicated with the gas storage groove, each vent tube is provided with an electromagnetic valve, the vacuum suction mechanism communicated with the plurality of gas storage grooves is arranged on the sampling tube, the operation handle is arranged at the top of the sampling tube, the wireless controller is arranged at the top of the operation handle, and the exhaust mechanism is arranged in each gas storage groove. The utility model has convenient use, can extract a plurality of groups of gas samples at one time, and has high sampling efficiency.

Description

Gas sampling device

Technical Field

The utility model relates to the technical field of gas sampling, in particular to a gas sampling device.

Background

In detecting a gas, it is necessary to first extract a part of a gas sample for detection.

Chinese patent CN218512132U discloses a gas sampling device, including the sampling tube, threaded connection has front end housing and rear end cap respectively at the both ends of sampling tube, protruding being provided with the air cock on the terminal surface of front end, sealed sliding connection has the piston in the sampling tube, the rigid coupling has the piston rod on the piston, the piston rod runs through rear end housing and the outer end of piston rod is connected with the handle, support between the terminal surface of front end housing and sampling tube and be equipped with the seal gum head, the seal gum head just has the gas pocket to the penetrating shaping in position of air cock, the penetrating shaping has the regulation hole on the global of seal gum head, the aperture of regulation hole is greater than the gas pocket and the axis of regulation hole intersects, the sealed slip in regulation hole wears to be equipped with the regulation pole, the regulation pole runs through the global of front end housing, the shaping has the indent ventilative groove on the global of regulation pole, novel structure has improved the convenience of using.

In the sampling detection process of gas, in order to reduce the accidental error of the sample, a plurality of groups of samples can be generally extracted for detection, but the patent can only extract one gas sample each time when in use, the working efficiency is lower, and the operation of sampling for a plurality of times is required, so that aiming at the current situation, the development of a gas sampling device which is convenient to use, can extract a plurality of groups of gas samples at one time and has high sampling efficiency is urgently required, so that the defects in the current practical application are overcome, and the current requirements are met.

Disclosure of utility model

The present utility model is directed to a gas sampling apparatus, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a gas sampling device, includes sampling tube, breather pipe, inhales vacuum mechanism, operation handle, wireless controller and exhaust mechanism, be provided with a plurality of air tanks in the sampling tube, every the breather pipe that is linked together with it is all installed to the front side of air tank, every all install a solenoid valve on the breather pipe, install the vacuum mechanism that inhales that is linked together with a plurality of air tanks on the sampling tube, the operation handle is installed at the top of sampling tube, wireless controller is installed at the top of operation handle, every all install an exhaust mechanism in the air tank.

As a further scheme of the utility model: the vacuum sucking mechanism comprises: the vacuum pump is arranged on the sampling tube, the vacuum pump is connected with the main body tube, a plurality of guide tubes are arranged on the main body tube, and each guide tube is inserted into one gas storage groove.

As still further aspects of the utility model: the operating handle includes: sleeve, lifter, handle, threaded rod, nut and dwang, the sleeve is fixed in the top of breather pipe, sliding connection extends to its outer lifter in the sleeve, the threaded rod that runs through the sleeve is all installed to the left and right sides of lifter, be provided with the spacing spout that is used for the threaded rod to reciprocate on the sleeve, every install a nut on the threaded rod, be provided with a plurality of dwang on the nut, the top and the handle of lifter are fixed mutually.

As still further aspects of the utility model: the exhaust mechanism includes: the electric telescopic rod is fixed at the inner top end of the air storage groove, the lower end of the electric telescopic rod is connected with the piston block, the diameter of the piston block is the same as the inner diameter of the air storage groove, and the piston block is in sliding connection with the inner wall of the air storage groove.

As still further aspects of the utility model: the electromagnetic valve, the vacuum pump and the electric telescopic rod are all in wireless connection with the wireless controller.

The beneficial effects are that: when the gas sampling device is used, the inside of the gas storage groove is pumped into a vacuum state through the vacuum suction mechanism, then, a person holds the operating handle to insert the sampling pipe into gas to be extracted, then, the electromagnetic valve on the breather pipe is opened, the outside pressure is higher than the pressure in the gas storage groove because the gas storage groove is in the vacuum state, so that the outside gas passes through the breather pipe to enter the gas storage groove, after the sampling is finished, the electromagnetic valve is closed again to prevent the gas from leaking, the sampling pipe is taken out, finally, the electromagnetic valve is opened, the piston block is driven to move downwards through the electric telescopic rod, and the gas sample stored in the gas storage groove is extruded out for detection. In conclusion, the utility model has the advantages of convenient use, capability of extracting a plurality of groups of gas samples at one time and high sampling efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is an internal cross-sectional view of a sampling tube according to the present utility model.

Fig. 3 is a schematic view of a part of the structure of the present utility model.

Fig. 4 is an internal cross-sectional view of fig. 3 in accordance with the present utility model.

In the figure: 1. a sampling tube; 101. a gas storage tank; 2. a vent pipe; 201. an electromagnetic valve; 3. a vacuum suction mechanism; 301. a vacuum pump; 302. a main body tube; 303. a conduit; 4. an operating handle; 401. a sleeve; 4011. limiting sliding grooves; 402. a lifting rod; 403. a grip; 404. a threaded rod; 405. a nut; 406. rotating the rod; 5. a wireless controller; 6. an exhaust mechanism; 601. an electric telescopic rod; 602. a piston block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, in an embodiment of the present utility model, a gas sampling device includes a sampling tube 1, a vent tube 2, a vacuum suction mechanism 3, an operation handle 4, a wireless controller 5 and an exhaust mechanism 6, wherein a plurality of gas storage tanks 101 are disposed in the sampling tube 1, a plurality of groups of gases are sampled once through the plurality of gas storage tanks 101, the front side of each gas storage tank 101 is provided with a vent tube 2 communicated with the gas storage tank, each vent tube 2 is provided with a solenoid valve 201, the sampling tube 1 is provided with a vacuum suction mechanism 3 communicated with the plurality of gas storage tanks 101, the top of the sampling tube 1 is provided with the operation handle 4, the top of the operation handle 4 is provided with the wireless controller 5, each gas storage tank 101 is provided with the exhaust mechanism 6, when in use, the gas storage tank 101 is pumped into a vacuum state through the vacuum suction mechanism 3, then a person holds the operation handle 4 to insert the sampling tube 1 into the gas to be extracted, then opens the solenoid valve 201 on the vent tube 2, the solenoid valve 201 is positioned in a position higher than the vacuum state, and the gas is discharged out of the gas storage tank 101, and the outside is prevented from being discharged outside by the solenoid valve 201, and the outside is then the gas storage tank 101 is prevented from being discharged by the vacuum state, and the outside is detected by the vacuum suction mechanism 101.

The vacuum suction mechanism 3 includes: the vacuum pump 301 is installed on the sampling tube 1, the vacuum pump 301 is connected with the main tube 302, a plurality of guide tubes 303 are installed on the main tube 302, each guide tube 303 is inserted into one gas storage groove 101, and when the vacuum pump 301 is used, the plurality of gas storage grooves 101 are pumped to a vacuum state.

The operating handle 4 includes: the lifting device comprises a sleeve 401, lifting rods 402, handles 403, threaded rods 404, nuts 405 and rotating rods 406, wherein the sleeve 401 is fixed at the top of a breather pipe 2, the lifting rods 402 extending to the outside of the sleeve 401 are connected in a sliding mode, the threaded rods 404 penetrating through the sleeve 401 are arranged on the left side and the right side of each lifting rod 402, limiting sliding grooves 4011 used for the threaded rods 404 to move up and down are arranged on the sleeve 401, each threaded rod 404 is provided with one nut 405, the nuts 405 are provided with a plurality of rotating rods 406, the top of each lifting rod 402 is fixed with the handles 403, when the lifting device is used, the nuts 405 are unscrewed through the rotating rods 406, then the lifting rods 402 are slid up and down, the height of the handles 403 is adjusted, and after the lifting rods 402 are clamped onto the sleeve 401, the two nuts 405 are screwed down.

The exhaust mechanism 6 includes: the electric telescopic rod 601 and the piston block 602, the inside top of gas storage tank 101 is fixed in to the electric telescopic rod 601, the lower extreme of electric telescopic rod 601 links to each other with piston block 602, the diameter of piston block 602 is the same with the internal diameter of gas storage tank 101, piston block 602 and the inner wall sliding connection of gas storage tank 101, during the use, drive piston block 602 through electric telescopic rod 601 and move down, move down through piston block 602 and squeeze out the gas of storing in the gas storage tank 101.

The electromagnetic valve 201, the vacuum pump 301 and the electric telescopic rod 601 are all in wireless connection with the wireless controller 5.

The working principle of the utility model is as follows: when the gas sampling device is used, firstly, the inside of the gas storage groove 101 is pumped into a vacuum state through the vacuum suction mechanism 3, then, a person holds the operating handle 4 to insert the sampling tube 1 into gas to be extracted, then, the electromagnetic valve 201 on the breather pipe 2 is opened, because the gas storage groove 101 is in the vacuum state, the external pressure is higher than the pressure in the gas storage groove 101, the external gas enters the gas storage groove 101 through the breather pipe 2, after the sampling is finished, the electromagnetic valve 201 is closed again to prevent the gas from leaking, the sampling tube 1 is taken out, finally, the electromagnetic valve 201 is opened, the piston block 602 is driven to move downwards through the electric telescopic rod 601, and a gas sample stored in the gas storage groove 101 is extruded out for detection and use through the downward movement of the piston block 602.

Claims

1. A gas sampling apparatus, characterized in that: including sampling tube (1), breather pipe (2), inhale vacuum mechanism (3), operating handle (4), wireless controller (5) and exhaust mechanism (6), be provided with a plurality of air storage tanks (101) in sampling tube (1), every breather pipe (2) that are linked together with it are all installed to the front side of air storage tank (101), every all install a solenoid valve (201) on breather pipe (2), install on sampling tube (1) with the vacuum mechanism (3) that inhale that a plurality of air storage tanks (101) are linked together, operating handle (4) are installed at the top of sampling tube (1), wireless controller (5) are installed at the top of operating handle (4), every all install an exhaust mechanism (6) in air storage tank (101).

2. The gas sampling apparatus of claim 1, wherein: the vacuum suction mechanism (3) comprises: the vacuum pump (301) is arranged on the sampling tube (1), the vacuum pump (301) is connected with the main body tube (302), a plurality of guide tubes (303) are arranged on the main body tube (302), and each guide tube (303) is inserted into one gas storage groove (101).

3. The gas sampling apparatus of claim 1, wherein: the operating handle (4) comprises: sleeve (401), lifter (402), handle (403), threaded rod (404), nut (405) and dwang (406), sleeve (401) are fixed in the top of breather pipe (2), sliding connection extends to lifter (402) outside it in sleeve (401), threaded rod (404) that runs through sleeve (401) are all installed to the left and right sides of lifter (402), be provided with spacing spout (4011) that are used for threaded rod (404) to reciprocate on sleeve (401), every install a nut (405) on threaded rod (404), be provided with a plurality of dwang (406) on nut (405), the top of lifter (402) is fixed with handle (403) mutually.

4. The gas sampling apparatus of claim 2, wherein: the exhaust mechanism (6) includes: the electric telescopic rod (601) and the piston block (602), the inside top of gas storage groove (101) is fixed in to electric telescopic rod (601), the lower extreme of electric telescopic rod (601) links to each other with piston block (602), the diameter of piston block (602) is the same with the internal diameter of gas storage groove (101), the inner wall sliding connection of piston block (602) and gas storage groove (101).

5. The gas sampling apparatus of claim 4, wherein: the electromagnetic valve (201), the vacuum pump (301) and the electric telescopic rod (601) are all in wireless connection with the wireless controller (5).