CN218994839U

CN218994839U - Gas sampling device

Info

Publication number: CN218994839U
Application number: CN202223105476.0U
Authority: CN
Inventors: 史雪飞; 杜梦妤; 袁攀; 周乐
Original assignee: Anhui Taibei Environmental Technology Co ltd
Current assignee: Anhui Taibei Environmental Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-09
Anticipated expiration: 2032-11-23

Abstract

The utility model is suitable for the technical field of gas sampling, and provides a gas sampling device which comprises a remote control vehicle body, wherein a supporting cylinder is fixedly arranged on the remote control vehicle body, a plurality of sampling bottles are placed on the supporting cylinder, a rubber plug is arranged in a bottle opening of each sampling bottle, a plurality of first cylinders are fixedly arranged on the remote control vehicle body, a supporting disc is arranged on each first cylinder, a plurality of limit sleeves are fixedly arranged on the bottom surface of each supporting disc, a pair of needle cylinders are arranged in each limit sleeve, one needle cylinder is connected with a vacuumizing mechanism, the other needle cylinder is connected with an inflating mechanism, the vacuumizing mechanism can be pre-vacuumized with air in the plurality of sampling bottles, the phenomenon that the original air in the sampling bottle is mixed with the sampled air, and deviation occurs in a detection result is effectively avoided, and the accuracy of air detection is improved.

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

Environmental detection is by analysis, statistics of the collected information and detailed site monitoring and analysis of the selected evaluation area, while component detection of the environmental gas is an important component in environmental detection.

When detecting the environmental gas, the sampling device is needed, most of the existing air sampling devices adopt sampling bags or sampling bottles and the like to sample, when sampling the gas in some dangerous areas, the remote control gas sampling device is usually adopted to sample, however, the existing sampling devices do not vacuumize the air in the sampling bottles in advance before sampling, and when sampling the gas in the polluted area, the original air in the sampling bottles is mixed with the gas in the polluted area, so that the accuracy of the detection result is reduced, and the corresponding technical scheme is needed to be designed to solve the existing technical problem.

Disclosure of Invention

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 gaseous sampling device, includes the remote control automobile body, fixed support section of thick bamboo that is provided with on the remote control automobile body, placed a plurality of sample bottles on the support section of thick bamboo, install the rubber buffer in the bottleneck of sample bottle, be located the support section of thick bamboo periphery on the remote control automobile body and still fixedly provided with a plurality of first cylinders, the flexible end of first cylinder is fixed to be provided with the supporting disk, the fixed spacing sleeve that is provided with the same quantity with the sample bottle in bottom surface of supporting disk, install a pair of cylinder in the spacing sleeve, one of them cylinder links to each other with the evacuation mechanism that sets up on the remote control automobile body, and another cylinder links to each other with the inflation mechanism that sets up on the supporting disk.

As a further scheme of the utility model: the vacuum pumping mechanism comprises a piston plate, a lifting plate, second air cylinders and an annular pipe, wherein the piston plate is arranged in a supporting cylinder in a sealing sliding manner, the lifting plate is movably mounted on the bottom surface of a remote control car body through a plurality of second air cylinders, the lifting plate is connected with the piston plate through a connecting plate, the annular pipe is fixedly mounted on a supporting disc and is connected with the supporting cylinder through an air inlet pipe, and first branch pipes with the same quantity as the sampling bottles are further mounted on the annular pipe and are connected with a needle cylinder in the first branch pipes.

As a further scheme of the utility model: the side wall of the supporting cylinder is also provided with an air outlet pipe, and the connecting positions of the air inlet pipe and the air outlet pipe and the supporting cylinder are provided with one-way valves.

As a further scheme of the utility model: the inflating mechanism comprises a fixing frame fixedly arranged on the supporting disc, a multi-way valve and an inflator pump arranged on the fixing frame, wherein the output end of the inflator pump is connected with the multi-way valve, and the valve port of the multi-way valve is connected with the other needle cylinder through a second branch pipe.

As a further scheme of the utility model: the support cylinder is also provided with a plurality of positioning sleeves, and the sampling bottle is movably inserted into the positioning sleeves.

As a further scheme of the utility model: the bottom surface of the limit sleeve is also movably provided with a limit ring through a plurality of springs.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the supporting cylinder, the needle cylinder, the vacuumizing mechanism and the inflating mechanism are arranged, when air is sampled, the vacuumizing mechanism can be pre-vacuumized with the air in the sampling bottles, so that the phenomenon that the detection result is deviated due to the fact that the original air in the sampling bottles is mixed with the sampled air is effectively avoided, the accuracy of air detection is improved, and of course, when the air is actually sampled, vacuumizing treatment can be respectively carried out before and after the inflating mechanism, and finally the air sampled by the inflating mechanism can be more accurate.

Drawings

FIG. 1 is an overall perspective view of a gas sampling apparatus;

FIG. 2 is a cross-sectional view of a gas sampling apparatus;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

in the figure: the device comprises a 1-remote control car body, a 2-supporting cylinder, a 3-sampling bottle, a 4-rubber plug, a 5-first cylinder, a 6-supporting disc, a 7-limiting sleeve, an 8-syringe, a 9-piston plate, a 10-lifting plate, an 11-second cylinder, a 12-annular pipe, a 13-first branch pipe, a 14-air inlet pipe, a 15-air outlet pipe, a 16-inflator pump, a 17-multi-way valve, a 18-second branch pipe, a 19-positioning sleeve, a 20-spring and a 21-limiting ring.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Referring to fig. 1-3, a gas sampling device includes a remote control car body 1, a support cylinder 2 is fixedly arranged on the remote control car body 1, a plurality of sampling bottles 3 are placed on the support cylinder 2, a rubber plug 4 is installed in a bottle mouth of the sampling bottle 3, a plurality of first air cylinders 5 are fixedly arranged on the periphery of the support cylinder 2 on the remote control car body 1, a support disc 6 is fixedly arranged at a telescopic end of the first air cylinders 5, a limit sleeve 7 with the same quantity as the sampling bottles 3 is fixedly arranged on the bottom surface of the support disc 6, a pair of needle cylinders 8 are installed in the limit sleeve 7, one needle cylinder 8 is connected with a vacuumizing mechanism arranged on the remote control car body 1, the other needle cylinder 8 is connected with an inflating mechanism arranged on the support disc 6, and when the air is sampled, the vacuumizing mechanism can be pre-extracted with the air in the plurality of sampling bottles 3, the phenomenon that the original air in the sampling bottles 3 is mixed with the sampled air is caused, the deviation of the detection result is caused, the accuracy of the detection is improved, and the air can be accurately processed after the air is actually sampled by the vacuum pumping mechanism, and the air can be processed by the air is more accurately and inflated respectively after the air is sampled.

Specifically, the vacuumizing mechanism comprises a piston plate 9, a lifting plate 10, a second cylinder 11 and an annular tube 12, wherein the piston plate 9 is arranged in the supporting cylinder 2 in a sealing sliding manner, the lifting plate 10 is movably arranged on the bottom surface of the remote control car body 1 through a plurality of second cylinders 11, the lifting plate 10 is connected with the piston plate 9 through a connecting plate, the annular tube 12 is fixedly arranged on the supporting disc 6, the annular tube 12 is connected with the supporting cylinder 2 through an air inlet tube 14, a first branch tube 13 with the same number as that of the sampling bottle 3 is further arranged on the annular tube 12, the first branch tube 13 is connected with the needle cylinder 8, an air outlet tube 15 is further arranged on the side wall of the supporting cylinder 2, and check valves are respectively arranged at the connecting positions of the air inlet tube 14 and the air outlet tube 15 and the supporting cylinder 2, wherein when the piston plate 9 moves upwards, air in the supporting cylinder 2 can only be discharged through the air outlet tube 15, when the piston plate 9 moves downwards, the air in the sampling bottle 3 can only be pumped into the supporting cylinder 2, the second cylinders 11 drive the plate 9 connected with the lifting plate 3 to move upwards and downwards, and the sampling bottle 3 can be simultaneously vacuumized through the air inlet tube 15 and the air outlet tube 15.

The inflation mechanism comprises a fixing frame fixedly arranged on the supporting disc 6, a multi-way valve 17 and an inflator pump 16 arranged on the fixing frame, wherein the output end of the inflator pump 16 is connected with the multi-way valve 17, and the valve port of the multi-way valve 17 is connected with the other needle cylinder 8 through a second branch pipe 18.

Further, a plurality of positioning sleeves 19 are further arranged on the supporting cylinder 2, the sampling bottle 3 is movably inserted into the positioning sleeves, and the positioning sleeves 19 can position the plurality of sampling bottles 3 placed on the supporting cylinder 2, so that the accuracy of inserting the needle cylinder 8 into the sampling bottle 3 is ensured.

Still further, the bottom surface of the limiting sleeve 7 is further movably provided with a limiting ring 21 through a plurality of springs 20, and the springs 20 and the limiting ring 21 are arranged, so that when the first cylinder 5 drives the supporting plate 6 to reset, downward thrust can be applied to the sampling bottle 3, and the syringe 8 can be smoothly separated from the sampling bottle 3.

Working principle: when the device is required to be used, a plurality of sampling bottles 3 provided with rubber plugs 4 are inserted into a plurality of positioning sleeves in a one-to-one correspondence manner, then a remote control vehicle body 1 is controlled to move through a remote controller, after the device moves to a designated area, a first air cylinder 5 is controlled to shrink, two air cylinders 8 in a plurality of limit sleeves 7 penetrate through the rubber plugs 4 and are inserted into the sampling bottles 3, then a second air cylinder 11 is controlled to stretch continuously, the second air cylinder 11 drives a lifting plate 10 to move up and down, the piston plate 9 moves up and down in the supporting cylinder 2, the first vacuumizing operation of the plurality of sampling bottles 3 is realized under the actions of an air inlet pipe 14, an air outlet pipe 15 and a one-way valve, after the vacuumizing operation is finished, the operation of an air pump 16 is controlled, the surrounding air is pumped to the plurality of sampling bottles 3 through the air pump 16, the operation of the air pump 16 is controlled to stop, the second air cylinder 11 is controlled to stretch continuously, and the air is pumped to the plurality of sampling bottles 3 after the second air cylinder is driven to move up and down, and the designated area is inflated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a gas sampling device, includes remote control automobile body (1), its characterized in that, fixed support section of thick bamboo (2) that are provided with on remote control automobile body (1), placed a plurality of sample bottles (3) on support section of thick bamboo (2), install rubber buffer (4) in the bottleneck of sample bottle (3), be located on remote control automobile body (1) and support section of thick bamboo (2) periphery still fixedly and be provided with a plurality of first cylinders (5), the flexible end of first cylinder (5) is fixed and is provided with supporting disk (6), the bottom surface of supporting disk (6) is fixed to be provided with spacing sleeve (7) the same quantity with sample bottle (3), install a pair of cylinder (8) in spacing sleeve (7), one of them cylinder (8) link to each other with the vacuum pumping mechanism that sets up on remote control automobile body (1), another cylinder (8) link to each other with the inflation mechanism that sets up on supporting disk (6).

2. The gas sampling device according to claim 1, wherein the vacuum pumping mechanism comprises a piston plate (9), a lifting plate (10), second air cylinders (11) and an annular pipe (12), the piston plate (9) is arranged in the supporting cylinder (2) in a sealing sliding manner, the lifting plate (10) is movably mounted on the bottom surface of the remote control vehicle body (1) through a plurality of second air cylinders (11), the lifting plate (10) is connected with the piston plate (9) through a connecting plate, the annular pipe (12) is fixedly mounted on the supporting disc (6), the annular pipe (12) is connected with the supporting cylinder (2) through an air inlet pipe (14), first branch pipes (13) with the same number as the sampling cylinders (3) are further mounted on the annular pipe (12), and the first branch pipes (13) are connected with the needle cylinders (8) therein.

3. The gas sampling device according to claim 2, wherein the side wall of the support cylinder (2) is further provided with a gas outlet pipe (15), and the connection positions of the gas inlet pipe (14) and the gas outlet pipe (15) with the support cylinder (2) are provided with one-way valves.

4. A gas sampling apparatus according to claim 1, wherein the inflating means comprises a holder fixedly mounted on the support plate (6) and a multi-way valve (17) and an inflator (16) mounted on the holder, the output of the inflator (16) is connected to the multi-way valve (17), and the valve port of the multi-way valve (17) is connected to the other cylinder (8) via a second branch pipe (18).

5. The gas sampling apparatus according to claim 1, wherein the support cylinder (2) is further provided with a plurality of positioning sleeves (19), and the sampling bottle (3) is movably inserted into the positioning sleeves (19).

6. A gas sampling apparatus according to claim 1, wherein the bottom surface of the limit sleeve (7) is further movably mounted with a limit ring (21) by means of a plurality of springs (20).