CN212748452U - Air sampling device for waste gas detection - Google Patents

Abstract

The utility model discloses an air sampling device for exhaust-gas detection, include bottom plate, supporting leg, walking wheel, riser, roof, large-scale bearing, montant, backup pad, recess and put the thing board, put and connect through the telescoping device between the bottom of thing board and the recess, it is equipped with a plurality of gas storage chambeies along circumferencial direction evenly distributed to put thing board upper end in the position that is close to the edge, the position that is close to the upper end in the gas storage chamber is equipped with the valve, it has the air pump to peg graft in the top that lies in the gas storage chamber on the roof is fixed, the upper end of air pump is equipped with the intake pipe, the bottom of air pump is equipped with the outlet duct, the outlet duct is inside from last to being equipped with filter screen one and filter screen two down in proper order, the bottom of outlet duct is equipped with rather than communicating. Compared with the prior art, the utility model the advantage lie in: high flexibility and simple operation.

Description

Air sampling device for waste gas detection

Technical Field

The utility model relates to an exhaust-gas detection surveys technical field, specifically indicates an air sampling device for exhaust-gas detection surveys.

Background

The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants and oil refineries, etc., the discharged waste gas has large odor, seriously pollutes the environment and affects the human health. With the development of science and technology, people continuously conduct targeted analysis and research on various waste gases to protect the air quality and recycle energy, so that an air sampling device is needed. Air sampling device among the prior art is when using, and not only the flexibility is low, can only collect a gas, can not carry out filtration treatment when collecting, has reduced the purity that waste gas was collected, and the operation is complicated moreover, has wasted plenty of time and manpower, and the result of use is not good.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide an air sampling device for exhaust-gas detection that the flexibility is high, easy operation.

In order to solve the technical problem, the utility model provides a technical scheme does: an air sampling device for waste gas detection comprises a bottom plate, wherein supporting legs are arranged on the periphery of the bottom plate, walking wheels are arranged at the bottoms of the supporting legs, two vertical plates which are symmetrically distributed are arranged at the upper end of the bottom plate, the upper ends of the two vertical plates are connected through a top plate, a large-sized bearing is transversely arranged in the middle of the upper end of the bottom plate, two vertical rods which are symmetrically distributed are arranged in an inner ring of the large-sized bearing, the upper ends of the two vertical rods are connected through a supporting plate, a groove is arranged at the upper end of the supporting plate, an object placing plate matched with the groove is arranged in the groove, the bottom of the object placing plate is connected with the groove through a telescopic device, a plurality of air storage cavities which are uniformly distributed along the circumferential direction are arranged at the position close to the edge of the upper end of the object placing plate, a valve is arranged at the position close to, the upper end of air pump is equipped with the intake pipe, the bottom of air pump is equipped with the outlet duct, the outlet duct is inside from last to being equipped with filter screen one and filter screen two down in proper order, the bottom of outlet duct is equipped with rather than communicating connecting pipe, be equipped with the through-hole that the cooperation connecting pipe used in the middle of the top surface in gas storage chamber.

Compared with the prior art, the utility model the advantage lie in: the utility model discloses an air sampling device for waste gas detection utilizes the cooperation of a plurality of gas storage chambeies and air pump, can collect multiple gas, under the cooperation of the inside filter screen one of outlet duct and filter screen two, can filter the processing to the waste gas of collecting, has improved the result of use when improving the flexibility of use; the cooperation of utilizing large-scale bearing, telescoping device and valve can make the connecting pipe peg graft and carry out waste gas collection in the gas storage chamber, easy operation, labour saving and time saving, convenient to use.

As an improvement, the telescoping device is including setting up the cavity in putting thing board bottom, vertical grafting has the carriage release lever in the middle of the bottom surface of cavity, the bottom and the groove connection of carriage release lever, the upper end of carriage release lever transversely is equipped with the limiting plate, through spring coupling between the upper end of limiting plate and the top surface of cavity, be convenient for press down like this and put the thing board to reduce the height in gas storage chamber, be convenient for peg graft the connecting pipe and carry out the waste gas sampling in the gas storage chamber.

As an improvement, the diameter of the meshes of the first filter screen is larger than that of the meshes of the second filter screen, so that the waste gas can be fully filtered, and the purity of the waste gas is improved.

As an improvement, a pushing handle which is inclined upwards is arranged at the bottom of one vertical plate on the side opposite to the large bearing, so that the air sampling device is convenient to move.

As an improvement, the travelling wheels are provided with locking devices matched with the travelling wheels, so that the travelling wheels can be locked, and the stability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the air sampling device for exhaust gas detection of the present invention.

As shown in the figure: 1. the bottom plate, 2, locking device, 3, the montant, 4, the recess, 5, the carriage release lever, 6, the limiting plate, 7, the walking wheel, 8, the supporting leg, 9, the telescoping device, 10, the cavity, 11, promote the handle, 12, the through-hole, 13, the connecting pipe, 14, the outlet duct, 15, the intake pipe, 16, the air pump, 17, filter screen one, 18, the roof, 19, filter screen two, 20, the riser, 21, the valve, 22, the gas storage chamber, 23, put the thing board, 24, the spring, 25, the backup pad, 26, large-scale bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An air sampling device for waste gas detection comprises a bottom plate 1, wherein supporting legs 8 are arranged on the periphery of the bottom plate 1, walking wheels 7 are arranged at the bottoms of the supporting legs 8, two vertical plates 20 which are symmetrically distributed are arranged at the upper end of the bottom plate 1, the upper ends of the two vertical plates 20 are connected through a top plate 18, a large bearing 26 is transversely arranged in the middle of the upper end of the bottom plate 1, two vertical rods 3 which are symmetrically distributed are arranged in an inner ring of the large bearing 26, the upper ends of the two vertical rods 3 are connected through a supporting plate 25, a groove 4 is arranged at the upper end of the supporting plate 25, an object placing plate 23 matched with the groove 4 is arranged in the groove 4, the bottom of the object placing plate 23 is connected with the groove 4 through a telescopic device 9, a plurality of air storage cavities 22 which are uniformly distributed along the circumferential direction are arranged at the position, close to the edge, and a valve 21 is arranged in the position, an air pump 16 is fixedly inserted above the air storage cavity 22 on the top plate 18, an air inlet pipe 15 is arranged at the upper end of the air pump 16, an air outlet pipe 14 is arranged at the bottom of the air pump 16, a first filter screen 17 and a second filter screen 19 are sequentially arranged in the air outlet pipe 14 from top to bottom, a connecting pipe 13 communicated with the air outlet pipe 14 is arranged at the bottom of the air outlet pipe 14, and a through hole 12 matched with the connecting pipe 13 for use is arranged in the middle of the top surface of the air storage cavity 22.

The telescopic device 9 comprises a cavity 10 arranged at the bottom of the object placing plate 23, a moving rod 5 is vertically inserted in the middle of the bottom surface of the cavity 10, the bottom of the moving rod 5 is connected with the groove 4, a limiting plate 6 is transversely arranged at the upper end of the moving rod 5, and the upper end of the limiting plate 6 is connected with the top surface of the cavity 10 through a spring 24.

The diameter of the meshes of the first filter screen 17 is larger than that of the meshes of the second filter screen 19.

One of the risers 20 is provided with an upwardly inclined push handle 11 at the bottom on the side opposite the large bearing 26.

And the travelling wheel 7 is provided with a locking device 2 matched with the travelling wheel for use.

The utility model discloses when concrete implementation, combine figure 1 air sampling device for exhaust-gas detection's structural schematic diagram to know, the utility model discloses an air sampling device for exhaust-gas detection at first utilizes promotion handle 11 and walking wheel 7 to remove air sampling device to appointed place when using, then utilizes locking device 2 to take turns 7 locking of walking, prevents that air sampling device from moving when using, has improved stability. The locking device 2 works on the same principle as the locking device on a baby carriage. Then, the middle of the upper end of the object placing plate 23 is pressed downward by hand, and the object placing plate 23 can be moved downward by the cooperation of the telescopic device 9, and the spring 24 is in a compressed state. Then, the pressing hand is rotated simultaneously, the support plate 25 and the object placing plate 23 are driven to rotate together by the large bearing 26, and when the top surface of one of the air storage chambers 22 is reached, that is, the through hole 12 is aligned with the connecting pipe 13, the pressing hand is released. Under the action of the elastic force of the spring 24, the object placing plate 23 can be upwards bounced, so that the connecting pipe 13 can be inserted into the through hole 12 on the top surface of the gas storage cavity 22, and at the moment, the top surface of the gas storage cavity 22 is tightly contacted with the bottom surface of the gas outlet pipe 14, thereby effectively preventing gas leakage and improving gas tightness. Start air pump 16 when opening the valve 21 in the gas storage chamber 22 and begin work, can send waste gas into gas storage chamber 22 like this to collect waste gas, under the cooperation of filter screen 17 and filter screen two 19, can carry out filtration treatment to the waste gas of collecting, improved the purity that waste gas was collected, improved the result of use. After the collection is finished, the valve 21 and the air pump 16 are closed, so that the operation is simple, time and labor are saved, and the use is convenient. When other waste gases need to be collected, only need to press down again in the middle of the upper end of the object placing plate 23 with the hand, then make the object placing plate 23 rotate, make the connecting pipe 13 peg graft in the through-hole 12 of another gas storage cavity 22 top surface can, so repeatedly. So said the utility model discloses an air sampling device for exhaust-gas detection not only the flexibility is high, easy operation moreover.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (5)

1. The utility model provides an air sampling device for exhaust-gas detection, includes bottom plate (1), the bottom of bottom plate (1) all is equipped with supporting leg (8) all around, the bottom of supporting leg (8) is equipped with walking wheel (7), the upper end of bottom plate (1) is equipped with riser (20) of two symmetric distributions, connects its characterized in that through roof (18) between the upper end of two riser (20): the bearing support is characterized in that a large bearing (26) is transversely arranged in the middle of the upper end of the bottom plate (1), two vertical rods (3) which are symmetrically distributed are arranged in an inner ring of the large bearing (26), the upper ends of the two vertical rods (3) are connected through a support plate (25), a groove (4) is arranged at the upper end of the support plate (25), an object placing plate (23) which is matched with the groove for use is arranged in the groove (4), the bottom of the object placing plate (23) is connected with the groove (4) through a telescopic device (9), a plurality of air storage cavities (22) which are uniformly distributed along the circumferential direction are arranged at the positions, close to the edges, of the upper ends of the object placing plate (23), a valve (21) is arranged in the air storage cavities (22), an air pump (16) is fixedly inserted and connected above the air storage cavities (22) on the top plate (18), and an air inlet pipe (15) is arranged, the bottom of air pump (16) is equipped with outlet duct (14), outlet duct (14) are inside from last to being equipped with filter screen one (17) and filter screen two (19) down in proper order, the bottom of outlet duct (14) is equipped with rather than communicating connecting pipe (13), be equipped with through-hole (12) that cooperation connecting pipe (13) used in the middle of the top surface of gas storage chamber (22).

2. The air sampling device for exhaust gas detection according to claim 1, characterized in that: telescoping device (9) are including setting up cavity (10) putting thing board (23) bottom, vertical grafting has carriage release lever (5) in the middle of the bottom surface of cavity (10), the bottom and recess (4) of carriage release lever (5) are connected, the upper end of carriage release lever (5) transversely is equipped with limiting plate (6), connect through spring (24) between the upper end of limiting plate (6) and the top surface of cavity (10).

3. The air sampling device for exhaust gas detection according to claim 1, characterized in that: the diameter of the meshes of the first filter screen (17) is larger than that of the meshes of the second filter screen (19).

4. The air sampling device for exhaust gas detection according to claim 1, characterized in that: one of the vertical plates (20) is provided with an upward inclined pushing handle (11) at the bottom of the side opposite to the large bearing (26).

5. The air sampling device for exhaust gas detection according to claim 1, characterized in that: and a locking device (2) matched with the travelling wheel (7) for use is arranged on the travelling wheel.

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