CN219121816U

CN219121816U - Sampling storage device for air monitoring

Info

Publication number: CN219121816U
Application number: CN202222551372.6U
Authority: CN
Inventors: 强伟
Original assignee: Nanjing Lanbo Environmental Monitoring Co ltd
Current assignee: Nanjing Lanbo Environmental Monitoring Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-02
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a sampling storage device for air monitoring, wherein a first motor drives a first rotating shaft to rotate through a worm and gear, the first rotating shaft drives a rotary table to rotate, a sampling assembly is arranged on the rotary table, the first motor drives the sampling assembly to rotate relative to a rotary table rotating shaft by a certain angle, the angle is consistent with the interval angle between the sampling assemblies, so that a second rotating shaft and a poking piece are positioned in a groove of a threaded rod, at the moment, the second motor drives the second rotating shaft and the poking piece to rotate, the poking piece drives a threaded rod to rotate, a threaded hole matched with the threaded rod is formed in a fixed cover, and the threaded rod drives a piston to move upwards under the action of the threaded hole, so that gas sampling is completed. Therefore, the gas sampling work of a plurality of sampling assemblies can be realized by setting the working time, the duration and other parameters of the first motor and the second motor, and the situation that personnel stay at a gas sampling point to wait for sampling for a plurality of times is avoided.

Description

Sampling storage device for air monitoring

Technical Field

The utility model belongs to the technical field of air monitoring, and particularly relates to a sampling storage device for air monitoring.

Background

When the environment is detected, the ambient air is firstly required to be sampled, and laboratory analysis is carried out on the sampled sample to obtain the concentration of pollutants in the ambient air. The air sampler is an auxiliary instrument, can collect or extract the gas pollutant in the detected ambient air, and can detect the concentration of the gas pollutant in the detected ambient air by being used together with the gas chromatograph and other instruments.

The traditional air sampling needs to be manually carried by equipment to move to a designated place for current environment monitoring, then the air is extracted for collecting and processing, the environment of some scenes is complex, when long-time interval sampling is encountered, if sampling is carried out for a plurality of times at intervals of half an hour, the air environment monitoring and sampling can be blocked because personnel are not suitable for staying for a long time, so that the air sampling work can not be carried out, and if the air sampling work is carried out every half an hour, the operation complexity can be caused.

Disclosure of Invention

The utility model aims to provide a sampling storage device for air monitoring, which is used for solving the problem that the air sampling device in the prior art is inconvenient to sample for a plurality of times.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an air monitoring is with sampling storage device, includes the housing, be provided with first pivot through the rotation of centripetal bearing frame in the housing, fixedly in the first pivot be provided with the turbine, housing internal fixation is provided with two T type bearing frames, two rotate between the T type bearing frame and be provided with the worm, worm and turbine engagement, fixedly in the housing through the support be provided with first motor, first motor is used for driving the worm rotation, the fixed carousel that is provided with in top of first pivot, be provided with a plurality of sleeves on the carousel, a plurality of the sleeve is all through stabilizer blade and carousel fixed connection, a plurality of all overlaps in the sleeve and be equipped with sampling assembly.

Further, the sampling assembly comprises a threaded rod, a piston, a cylinder body, a fixed cover, a first one-way valve and a second one-way valve, wherein the cylinder body is of a cavity containing structure with an opening at the top, the piston is arranged in the cylinder body in a sliding mode, the bottom of the threaded rod is rotationally connected with the piston through a thrust bearing, a threaded hole matched with the threaded rod is formed in the fixed cover, the fixed cover is sleeved on the threaded rod, the fixed cover is fixedly connected with the cylinder body, a hand wheel is fixedly arranged at the top of the threaded rod, the first one-way valve and the second one-way valve are both arranged at the bottom of the cylinder body and are communicated with the inside of the cylinder body, and grooves are formed in the threaded rod and the hand wheel in a penetrating mode.

Further, a support is fixedly arranged on one side of the housing, a support plate is fixedly arranged on the support, a second motor is fixedly arranged at the bottom of the support plate, a second rotating shaft is fixedly connected to an output shaft of the second motor, and a poking piece is fixedly arranged at the bottom of the second rotating shaft.

Further, at least one limiting block is fixedly arranged in the sleeve, and a limiting groove matched with the limiting block is formed in the cylinder body.

Further, a plurality of gas rings are embedded on the side face of the piston.

Further, the fixed cover is provided with a marking groove.

Further, the first one-way valve is used for communicating a passage from the inside to the outside of the cylinder, and the second one-way valve is used for communicating a passage from the outside to the inside of the cylinder.

The utility model has the technical effects and advantages that:

according to the utility model, the first motor drives the first rotating shaft to rotate through the worm and gear, the first rotating shaft drives the rotary table to rotate, the sampling assembly is arranged on the rotary table and comprises a threaded rod, a piston, a cylinder body, a fixed cover, a first one-way valve and a second one-way valve, the first motor drives the sampling assembly to rotate at a certain angle relative to the rotary table rotating shaft, the angle is consistent with the interval angle between the sampling assemblies, so that the second rotating shaft and the shifting sheet are positioned in a groove of the threaded rod, at the moment, the second motor drives the second rotating shaft and the shifting sheet to rotate, the shifting sheet drives the threaded rod to rotate, a threaded hole matched with the threaded rod is formed in the fixed cover, and the threaded rod drives the piston to move upwards under the action of the threaded hole, so that gas sampling is completed. Therefore, the gas sampling work of a plurality of sampling assemblies can be realized by setting the working time, the duration and other parameters of the first motor and the second motor, and the situation that personnel stay at a gas sampling point to wait for sampling for a plurality of times is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 2;

fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.

In the figure: 1. a housing; 2. a turntable; 3. a second motor; 4. a support plate; 5. a bracket; 6. a support leg; 7. a limiting block; 8. a pulling piece; 9. a second rotating shaft; 10. a sleeve; 11. a marking groove; 12. a hand wheel; 13. a fixed cover; 14. a cylinder; 15. a limit groove; 16. a first one-way valve; 17. a second one-way valve; 18. a T-shaped bearing seat; 19. a worm; 20. a first motor; 21. a first rotating shaft; 22. a support; 23. a turbine; 24. centripetal bearing seat; 25. a piston; 26. a threaded rod; 27. a groove; 28. a thrust bearing; 29. and a gas ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1 to 4, a specific embodiment of a sampling and storing device for air monitoring according to the present utility model includes a housing 1, a support 5 is fixedly disposed on one side of the housing 1, a support plate 4 is fixedly disposed on the support 5, a second motor 3 is fixedly disposed at the bottom of the support plate 4, an output shaft of the second motor 3 is fixedly connected with a second rotating shaft 9, and a pulling sheet 8 is fixedly disposed at the bottom of the second rotating shaft 9. The first rotating shaft 21 is rotatably arranged in the housing 1 through the centripetal bearing seat 24, the turbine 23 is fixedly arranged on the first rotating shaft 21, two T-shaped bearing seats 18 are fixedly arranged in the housing 1, a worm 19 is rotatably arranged between the two T-shaped bearing seats 18, the worm 19 is meshed with the turbine 23, the first motor 20 is fixedly arranged in the housing 1 through the support 22, the first motor 20 is used for driving the worm 19 to rotate, and the turntable 2 is fixedly arranged at the top of the first rotating shaft 21. Be provided with a plurality of sleeves 10 on the carousel 2, a plurality of sleeves 10 are all through stabilizer blade 6 and carousel 2 fixed connection, all overlap in a plurality of sleeves 10 and are equipped with the sampling subassembly.

The sampling assembly comprises a threaded rod 26, a piston 25, a cylinder 14, a fixed cover 13, a first one-way valve 16 and a second one-way valve 17, wherein the cylinder 14 is of a cavity containing structure with an opening at the top, the piston 25 is arranged in the cylinder 14 in a sliding mode, the bottom of the threaded rod 26 is rotationally connected with the piston 25 through a thrust bearing 28, a threaded hole matched with the threaded rod 26 is formed in the fixed cover 13, the fixed cover 13 is sleeved on the threaded rod 26, the fixed cover 13 is fixedly connected with the cylinder 14, a hand wheel 12 is fixedly arranged at the top of the threaded rod 26, the first one-way valve 16 and the second one-way valve 17 are both arranged at the bottom of the cylinder 14 and are communicated with the inside of the cylinder 14, the first one-way valve 16 is used for communicating the inside to the outside of the cylinder 14, the second one-way valve 17 is used for communicating the outside to the inside of the cylinder 14, and grooves 27 are formed in a penetrating mode on the threaded rod 26 and the hand wheel 12.

The first motor 20 drives the first rotating shaft 21 to rotate through the worm wheel 23 worm 19, the first rotating shaft 21 drives the rotary table 2 to rotate, the rotary table 2 is provided with a sampling assembly, the sampling assembly comprises a threaded rod 26, a piston 25, a cylinder 14, a fixed cover 13, a first one-way valve 16 and a second one-way valve 17, the first motor 20 drives the sampling assembly to rotate for a certain angle relative to the rotary shaft of the rotary table 2, the angle is consistent with the interval angle between the sampling assembly, the second rotating shaft 9 and the shifting plate 8 are positioned in a groove 27 of the threaded rod 26, at the moment, the second motor 3 drives the second rotating shaft 9 and the shifting plate 8 to rotate, the shifting plate 8 drives the threaded rod 26 to rotate, a threaded hole matched with the threaded rod 26 is formed in the fixed cover 13, the threaded rod 26 drives the piston 25 to move upwards under the action of the threaded hole, and gas enters the cylinder 14 from the second one-way valve 17 to finish gas sampling. After sampling is completed, the cartridge 14 is removed from the sleeve 10, the hand wheel 12 is rotated to push the piston 25 to remove the internally sampled gas through the first one-way valve 16, and the cartridge 14 is then replaced on the sleeve 10.

At least one limiting block 7 is fixedly arranged in the sleeve 10, and a limiting groove 15 matched with the limiting block 7 is formed in the cylinder 14 to prevent the cylinder 14 from rotating relative to the sleeve 10.

A plurality of air rings 29 are embedded on the side surface of the piston 25, so that the air tightness between the piston 25 and the inner wall of the cylinder 14 is improved.

The fixed cover 13 is provided with a marking groove 11 for adjusting the positions of the groove 27 and the marking groove 11, the marking groove 11 rotates around the turntable 2 for one circle to be concentric with the turntable 2, and meanwhile, the groove 27 of the threaded rod 26 is tangential to the marking groove 11, so that when the first motor 20 drives the sampling assembly to rotate by an interval angle between adjacent sampling assemblies, the second rotating shaft 9 can enter the groove 27 of the threaded rod 26.

The working principle of the utility model is as follows:

the first motor 20 drives the first rotating shaft 21 to rotate through the worm wheel 23 worm 19, the first rotating shaft 21 drives the rotary table 2 to rotate, the rotary table 2 is provided with a sampling assembly, the sampling assembly comprises a threaded rod 26, a piston 25, a cylinder 14, a fixed cover 13, a first one-way valve 16 and a second one-way valve 17, the first motor 20 drives the sampling assembly to rotate for a certain angle relative to the rotary table 2 rotating shaft, the angle is consistent with the interval angle between the sampling assembly, the second rotating shaft 9 and the pulling piece 8 are positioned in a groove 27 of the threaded rod 26, at the moment, the second motor 3 drives the second rotating shaft 9 and the pulling piece 8 to rotate, the pulling piece 8 drives the threaded rod 26 to rotate, a threaded hole matched with the threaded rod 26 is formed in the fixed cover 13, the threaded rod 26 is driven to move upwards under the action of the threaded hole, and gas sampling is completed.

After the sampling is completed, the cylinder 14 is taken out from the sleeve 10, the hand wheel 12 is rotated so as to push the piston 25 to take out the gas sampled from the inside, then the cylinder 14 is put back onto the sleeve 10, the marking groove 11 on the fixed cover 13 rotates round the rotary table 2 into a circle concentric with the rotary table 2, meanwhile, the groove 27 of the threaded rod 26 is tangential to the marking groove 11, so that when the first motor 20 drives the sampling assembly to rotate by an interval angle between adjacent parts, the second rotating shaft 9 can enter the groove 27 of the threaded rod 26 for the next use.

Other parts of the present utility model not described in detail are all of the prior art, and are not described in detail herein.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an air monitoring is with sampling storage device, includes housing (1), its characterized in that: the novel intelligent sampling device is characterized in that a first rotating shaft (21) is arranged in the housing (1) in a rotating manner through a centripetal bearing seat (24), a turbine (23) is fixedly arranged on the first rotating shaft (21), two T-shaped bearing seats (18) are fixedly arranged in the housing (1), a worm (19) is arranged between the T-shaped bearing seats (18) in a rotating manner, the worm (19) is meshed with the turbine (23), a first motor (20) is fixedly arranged in the housing (1) through a support (22), the first motor (20) is used for driving the worm (19) to rotate, a turntable (2) is fixedly arranged at the top of the first rotating shaft (21), a plurality of sleeves (10) are arranged on the turntable (2), and the sleeves (10) are fixedly connected with the turntable (2) through support legs (6) and are sleeved with sampling assemblies.

2. The sampling and storage device for air monitoring of claim 1, wherein: the sampling assembly comprises a threaded rod (26), a piston (25), a cylinder (14), a fixed cover (13), a first one-way valve (16) and a second one-way valve (17), wherein the cylinder (14) is of a cavity structure with an open top, the piston (25) is arranged in the cylinder (14) in a sliding mode, the bottom of the threaded rod (26) is rotationally connected with the piston (25) through a thrust bearing (28), a threaded hole matched with the threaded rod (26) is formed in the fixed cover (13), the fixed cover (13) is sleeved on the threaded rod (26), the fixed cover (13) is fixedly connected with the cylinder (14), a hand wheel (12) is fixedly arranged at the top of the threaded rod (26), the first one-way valve (16) and the second one-way valve (17) are both arranged at the bottom of the cylinder (14) and are communicated with the inside of the cylinder (14), and grooves (27) are formed in a penetrating mode in the threaded rod (26) and the hand wheel (12).

3. The sampling and storage device for air monitoring of claim 2, wherein: one side of housing (1) is fixed and is provided with support (5), fixedly on support (5) be provided with extension board (4), the bottom of extension board (4) is fixed and is provided with second motor (3), the output shaft fixedly connected with second pivot (9) of second motor (3), the bottom of second pivot (9) is fixed and is provided with plectrum (8).

4. A sampling and storage device for air monitoring as defined in claim 3, wherein: at least one limiting block (7) is fixedly arranged in the sleeve (10), and a limiting groove (15) matched with the limiting block (7) is formed in the cylinder (14).

5. The sampling and storage device for air monitoring of claim 2, wherein: a plurality of gas rings (29) are embedded on the side face of the piston (25).

6. The sampling and storage device for air monitoring of claim 2, wherein: the fixed cover (13) is provided with a marking groove (11).

7. The sampling and storage device for air monitoring of claim 2, wherein: the first one-way valve (16) is used for communicating a passage from the inside to the outside of the cylinder (14), and the second one-way valve (17) is used for communicating a passage from the outside to the inside of the cylinder (14).