CN216207937U

CN216207937U - Gas sampling device for environment detection

Info

Publication number: CN216207937U
Application number: CN202122527324.9U
Authority: CN
Inventors: 孟磊; 张凯厅; 张磊; 冯婧
Original assignee: Zhongwei Ecological Environment Monitoring Station
Current assignee: Zhongwei Ecological Environment Monitoring Station
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-04-05
Anticipated expiration: 2031-10-20

Abstract

The utility model discloses a gas sampling device for environment detection, which comprises a U-shaped support frame, wherein a driving shaft is connected between the top end and the bottom end of the support frame through a bearing, the top of the driving shaft is fixedly connected with a turntable, mounting holes which are distributed in an annular shape at equal intervals are formed in the top of the turntable, sampling pipes are fixedly connected to the inner walls of the mounting holes, switch valves are fixedly connected to the insides of the sampling pipes, the bottoms of the sampling pipes are connected with telescopic air bags through flanges, pull rods are fixedly connected to the bottoms of the telescopic air bags, and pull blocks are fixedly connected to the bottoms of the pull rods. The height of the movable sleeve on the threaded rod is reduced, the positions of the pulling block and the telescopic air bag are driven through the clamping action of the clamping seat and the clamping groove, the length of the telescopic air bag is increased, the gas in the environment is conveniently sucked into the telescopic air bag, and the whole sampling device can effectively perform sampling treatment on multiple gases.

Description

Gas sampling device for environment detection

Technical Field

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

Background

The environment detection is a process for observing, measuring and analyzing the change and the influence on the environment of one or more environmental elements or indexes intermittently or continuously according to a pre-designed time and space by using a comparable environmental information and data collection method for specific purposes. The environment detection is the basis of environment protection work and is the basis of environment legislation, environment planning and environment decision. Environmental detection is one of the important means of environmental management.

The gas sampling device for environment detection is one of the main operation methods for environment detection, and when gas detection is performed, sampling processing is required, but the same sampler cannot effectively perform sampling processing on multiple gases, so that the problem needs to be solved by designing the gas sampling device for environment detection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a gas sampling device for environment detection.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a gas sampling device for environment detection comprises a U-shaped support frame, a driving shaft is connected between the top end and the bottom end of the support frame through a bearing, the top of the driving shaft is fixedly connected with a turntable, the top of the turntable is provided with mounting holes which are distributed in an annular shape at equal intervals, the inner walls of the mounting holes are fixedly connected with sampling pipes, the insides of the sampling pipes are fixedly connected with switch valves, the bottoms of the sampling pipes are connected with telescopic airbags through flanges, the bottoms of the telescopic airbags are fixedly connected with pull rods, the bottoms of the pull rods are fixedly connected with pull blocks, the other end of the bottom of the supporting frame is fixedly connected with a forward and reverse rotating motor, and the output shaft of the positive and negative rotation motor is fixedly connected with a threaded rod, the outer wall of the threaded rod is in threaded connection with a movable sleeve, one end of the movable sleeve is fixedly connected with a clamping seat, one end of the pulling block is provided with a clamping groove, and the position of the clamping groove corresponds to the position of the clamping seat.

Preferably, the outer wall of the driving shaft close to the pulling block is fixedly connected with electric push rods distributed at equal intervals, the other end of the pulling block is provided with a limiting hole, and the piston end of the electric push rod is fixedly connected with a limiting rod inserted in the limiting hole.

Preferably, the top of the support frame is provided with an air suction port, and the air suction port is positioned above the sampling pipe.

Preferably, one side of the support frame, which is close to the threaded rod, is provided with a limiting groove, and the other end of the movable sleeve is fixedly connected with a guide block inserted in the limiting groove.

Preferably, a handle rod is fixedly connected to the outer wall of one side of the support frame.

Preferably, the outer wall of the driving shaft close to the bottom is fixedly connected with a plurality of rotating handles.

Preferably, the bottom of one side of the support frame is fixedly connected with a scale bar, and one end of the movable sleeve corresponds to the position of the scale bar.

The utility model has the beneficial effects that:

1. through setting up the motor that just reverses on the support frame, can be when gaseous sampling, cup joint the outer wall at the cassette with the draw-in groove on one of them pulling piece, open the ooff valve that the pulling piece corresponds on flexible gasbag, start the motor that just reverses, utilize the motor that just reverses to drive the threaded rod and rotate, reduce the movable sleeve height on the threaded rod, the joint effect through cassette and draw-in groove drives the pulling piece and with the position of the flexible gasbag that the pulling piece corresponds, increase the length of flexible gasbag, then close the ooff valve, be convenient for inhale the inside of flexible gasbag with the gaseous of environment china, make the gaseous sampling that carries on to the environmental detection more convenient.

2. Through setting up the driving shaft on the support frame and changeing the handle, after the flexible gasbag in the aforesaid was gathered and is accomplished, can break away from its draw-in groove and cassette, and reset the cassette, the accessible was changeed and is driven the driving shaft rotation this moment, drive carousel and flexible gasbag and rotate, make the pulling piece of another flexible gasbag bottom cup joint on the cassette, then be carrying out gas sampling processing, push away in with this, thereby can make whole sampling device can effectual many places gas sampling processing.

Drawings

Fig. 1 is a schematic view of the overall structure of a gas sampling apparatus for environmental monitoring according to embodiment 1;

fig. 2 is a schematic structural diagram of an electric push rod and a card slot of the gas sampling device for environmental detection in embodiment 1;

fig. 3 is a schematic structural view of a limiting hole and a clamping seat of the gas sampling device for environmental detection in embodiment 1;

fig. 4 is a schematic structural diagram of a scale bar of the gas sampling apparatus for environmental monitoring according to embodiment 2.

In the figure: 1. a support frame; 2. a positive and negative rotation motor; 3. a limiting groove; 4. a threaded rod; 5. a handle bar; 6. a movable sleeve; 7. an air suction port; 8. an on-off valve; 9. a turntable; 10. a sampling tube; 11. a telescopic air bag; 12. pulling the block; 13. turning a handle; 14. a drive shaft; 15. a pull rod; 16. an electric push rod; 17. a card slot; 18. a limiting hole; 19. a card holder; 20. a scale bar.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, a gas sampling device for environmental testing, comprising a U-shaped support frame 1, a driving shaft 14 is connected between the top and bottom ends of the support frame 1 through a bearing, a rotary table 9 is welded on the top of the driving shaft 14, mounting holes are formed on the top of the rotary table 9 and are distributed in an annular shape at equal intervals, sampling pipes 10 are welded on the inner walls of the mounting holes, switch valves 8 are connected inside the sampling pipes 10 through bolts, telescopic airbags 11 are connected on the bottoms of the sampling pipes 10 through flanges, pull rods 15 are connected on the bottoms of the telescopic airbags 11 through bolts, pull blocks 12 are welded on the bottoms of the pull rods 15, a forward and reverse rotation motor 2 is connected on the other end of the bottom of the support frame 1 through bolts, a threaded rod 4 is connected on an output shaft of the forward and reverse rotation motor 2 through bolts, a movable sleeve 6 is connected on the outer wall of the threaded rod 4 through bolts, and a clamping seat 19 is welded on one end of the movable sleeve 6, one end of the pulling block 12 is provided with a clamping groove 17, and the position of the clamping groove 17 corresponds to the position of the clamping seat 19.

Wherein, the outer wall of the driving shaft 14 close to the pulling block 12 is connected with electric push rods 16 distributed at equal intervals through bolts, the other end of the pulling block 12 is provided with a limit hole 18, and the piston end of the electric push rod 16 is connected with a limit rod inserted in the limit hole 18 through bolts.

Wherein, the top of the supporting frame 1 is provided with an air suction port 7, and the air suction port 7 is positioned above the sampling tube 10.

Wherein, the support frame 1 is opened with spacing groove 3 near one side of threaded rod 4, and the other end welding of movable sleeve 6 has the guide block of pegging graft in spacing groove 3.

Wherein, the outer wall of one side of the support frame 1 is welded with a handle rod 5.

Wherein, the outer wall of the driving shaft 14 close to the bottom is welded with a plurality of rotating handles 13.

The working principle is as follows: when gas sampling is carried out, a user sleeves a clamping groove 17 on one of the pulling blocks 12 on the outer wall of a clamping seat 19, opens a switch valve 8 on the telescopic air bag 11 corresponding to the pulling block 12, starts the forward and reverse rotating motor 2, drives the threaded rod 4 to rotate by using the forward and reverse rotating motor 2, reduces the height of the movable sleeve 6 on the threaded rod 4, drives the pulling block 12 and the telescopic air bag 11 corresponding to the pulling block 12 through the clamping action of the clamping seat 19 and the clamping groove 17 to increase the length of the telescopic air bag 11, then closes the switch valve 8, is convenient for sucking the gas in the environment into the telescopic air bag 11, so that the gas sampling carried out by environment detection is more convenient, after the telescopic air bag 11 is collected, the clamping groove 17 can be separated from the clamping seat 19, the clamping seat 19 is reset, the driving shaft 14 can be driven to rotate by the rotating handle 13 at the moment, and drives the rotating disk 9 and the telescopic air bag 11 to rotate, the pulling block 12 at the bottom of the other telescopic air bag 11 is sleeved on the clamping seat 19 and then is subjected to gas sampling treatment, so that the gas sampling treatment is performed, and the whole sampling device can effectively perform sampling treatment on multiple gases.

Example 2

Referring to fig. 4, in the present embodiment, compared to embodiment 1, the bottom of one side of the supporting frame 1 is connected to a scale bar 20 through a bolt, and one end of the movable sleeve 6 corresponds to the position of the scale bar 20.

The working principle is as follows: when the threaded rod 4 is driven to rotate by the forward and reverse rotating motor 2, the descending height of the movable sleeve 6 can be observed through the scale strips 20, quantitative sampling gas can be absorbed conveniently through the telescopic air bag 11, and the operation is convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a gas sampling device for environmental test, includes support frame (1) that is the U type, its characterized in that, be connected with driving shaft (14) through the bearing between the top of support frame (1) and bottom one end, and the top fixedly connected with carousel (9) of driving shaft (14), open at the top of carousel (9) has the equidistance to be the mounting hole that the annular distributes, and the equal fixedly connected with sampling pipe (10) of inner wall of mounting hole, the equal fixedly connected with ooff valve (8) in inside of sampling pipe (10), the bottom of sampling pipe (10) all has flexible gasbag (11) through flange connection, and the equal fixedly connected with pull rod (15) in bottom of flexible gasbag (11), the equal fixedly connected with pulling block (12) in bottom of pull rod (15), the bottom other end fixedly connected with just reverse motor (2) of support frame (1), and just reverse output shaft fixedly connected with threaded rod (4) of motor (2), the outer wall threaded connection of threaded rod (4) has movable sleeve (6), the one end fixedly connected with cassette (19) of movable sleeve (6), draw the one end of piece (12) to open there is draw-in groove (17), and the position of draw-in groove (17) is corresponding with the position of cassette (19).

2. The gas sampling device for environmental monitoring as recited in claim 1, wherein the driving shaft (14) is fixedly connected with electric push rods (16) which are distributed at equal intervals on the outer wall of the pulling block (12), the other end of the pulling block (12) is provided with a limiting hole (18), and a piston end of the electric push rod (16) is fixedly connected with a limiting rod which is inserted into the limiting hole (18).

3. The gas sampling device for environment detection as claimed in claim 2, wherein the top of the supporting frame (1) is provided with a suction port (7), and the suction port (7) is located above the sampling tube (10).

4. The gas sampling device for environmental monitoring as claimed in claim 3, wherein one side of the support frame (1) close to the threaded rod (4) is provided with a limiting groove (3), and the other end of the movable sleeve (6) is fixedly connected with a guide block inserted in the limiting groove (3).

5. The gas sampling device for environmental monitoring as recited in claim 4, wherein a handle bar (5) is fixedly connected to an outer wall of one side of the support frame (1).

6. The gas sampling device for environmental monitoring as recited in any one of claims 1-5, wherein a plurality of rotating knobs (13) are fixedly connected to the outer wall of the driving shaft (14) near the bottom.

7. The gas sampling device for environmental monitoring as recited in claim 1, wherein a scale bar (20) is fixedly connected to the bottom of one side of the support frame (1), and one end of the movable sleeve (6) corresponds to the position of the scale bar (20).