CN215767869U

CN215767869U - Indoor environmental pollutant sampling equipment

Info

Publication number: CN215767869U
Application number: CN202121517272.0U
Authority: CN
Inventors: 王兴梁
Original assignee: Hangzhou Fanghui Construction Engineering Detection Co ltd
Current assignee: Hangzhou Fanghui Construction Engineering Detection Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-02-08
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses indoor environmental pollutant sampling equipment, which comprises an air pump, wherein an air pump air outlet is arranged on the air pump, a sampling air bottle is detachably connected to the air outlet, the sampling air bottle comprises a cylindrical outer bottle body and a corrugated pipe which can be slidably arranged in the outer bottle body, one end of the outer bottle body is provided with a bottle body sealing cover fixedly connected with the outer bottle body, one end of the corrugated pipe is fixedly connected with the bottle body sealing cover, and one end of the corrugated pipe, far away from the bottle body sealing cover, is provided with a baffle plate. The automatic plugging device can avoid air leakage inside the corrugated pipe.

Description

Indoor environmental pollutant sampling equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of sampling equipment, in particular to the technical field of indoor environmental pollutant sampling equipment.

[ background of the utility model ]

In the prior art, containers used for collecting air samples mainly comprise an injector, an air collecting bag, a vacuum bottle, a solid adsorption tube and a liquid adsorption tube.

The syringe typically uses a glass syringe with a capacity of 100mL to draw an air sample directly, close the sample inlet, and bring it back to the laboratory for analysis. The sealing performance of the injector is required, the injector is sealed and kept stand for 24 hours after air is sucked to full degree, and the residual air in the cavity is more than 60 percent of the volume of the original air. The sample is not suitable for long time storage, and is generally analyzed on the same day.

The air collecting bag is usually a polyvinyl chloride bag, a polyethylene bag, a polytetrafluoroethylene bag and a plastic aluminum foil composite bag, and the volume of the air filled bag is 500 mL-1000 mL. And (3) filling air and extruding and exhausting for 5-6 times by using the doubly-linked rubber ball on site, then filling the air on site, clamping and sealing the opening of the bag, and taking the bag back to a laboratory for analysis. Gas production bags are not suitable for automated operation.

The solid packed column sampling tube is commonly used as a Tenax-TA sampling tube, an active carbon sampling tube and a DNPH sampling tube. The liquid absorption tube is generally a bubble absorption tube and a porous glass plate absorption tube, and absorption liquid needs to be injected into the absorption tube before sampling. The solid packed column sampling pipe and the liquid absorption pipe need to be used together with an air sampler, and under the action of the power of the sampler, air is sucked into the sampler and flows through the solid sampling pipe or the liquid absorption pipe, so that air pollutants to be detected are collected and retained in the sampling pipe. The collected samples are hermetically packaged and sent to a laboratory for analysis and determination. The operation is complex and is not suitable for non-professional persons.

The vacuum sampling bottle or sampling tank is generally a glass bottle or a stainless steel tank, the tank is vacuumized before sampling, and a valve is opened to collect an air sample during sampling. These containers have relatively high requirements for vacuum and gas tightness, and it is difficult to maintain the vacuum level in the sample bottle or sample canister.

Therefore, the air sample collecting modes in the prior art have the problems of complex operation, need of professional training and unsuitability for non-professional users. And the gas of the existing sampling equipment is not convenient to store, and other gases are easy to be mixed in during sampling.

[ Utility model ] content

The utility model aims to solve the problems in the prior art and provides indoor environmental pollutant sampling equipment which is convenient for indoor air sampling, more accurate in sampling and free of pollution to samples.

In order to achieve the purpose, the utility model provides indoor environmental pollutant sampling equipment which comprises an air pump, wherein an air pump air outlet is formed in the air pump, a sampling air bottle is detachably connected to the air outlet, the sampling air bottle comprises a cylindrical outer bottle body and a corrugated pipe arranged inside the outer bottle body in a sliding mode, a bottle body sealing cover fixedly connected with the outer bottle body is arranged at one end of the outer bottle body, one end of the corrugated pipe is fixedly connected with the bottle body sealing cover, a blocking piece is arranged at one end, far away from the bottle body sealing cover, of the corrugated pipe, the blocking piece is arranged inside the outer bottle body in a sliding mode, an air bottle air faucet communicated with the interior of the corrugated pipe and detachably connected with the air pump air outlet is arranged on the bottle body sealing cover, and an automatic plugging device used for automatically plugging the air bottle air faucet is arranged in the air bottle.

As preferred, automatic plugging device include can with gas cylinder air cock complex gasket, the gasket is located keep away from on the bottle closing cap one side of gas cylinder air cock, the fixed connecting rod that is equipped with in gasket one side, the connecting rod is located inside the gas cylinder air cock, be equipped with in the gas cylinder air cock can with connecting rod complex connecting rod mounting, the connecting rod with connecting rod mounting slidable connection, keep away from on the connecting rod the one end of gasket is equipped with the top, the cover is equipped with on the connecting rod can drive the gasket to gas cylinder air cock end translation makes the gasket with the bottle closing cap cooperation will gas cylinder air cock confined first spring, first spring both ends respectively with the top connecting rod mounting cooperation.

Preferably, a plurality of top air passages through which air can pass are arranged on the top.

Preferably, the air outlet is provided with a hose communicated with the air outlet, and the other end of the hose is provided with an air connector matched with an air tap of the air bottle.

Preferably, the gas cylinder air cock outer lane be equipped with a plurality of can with air connector complex jack catch, the jack catch middle part pass through the articulated elements with the articulated connection of gas cylinder air cock outer wall, keep away from on the jack catch the one end of bottle closing cap is equipped with the orientation the eave tile that gas cylinder air cock center side set up, keep away from on the jack catch the one end of eave tile is equipped with and drives the eave tile winds the articulated elements to gas cylinder air cock center side pivoted second spring.

Preferably, the air joint is provided with an annular boss which can be matched with the hook head.

Preferably, the air connector is provided with a cannula which can be matched with the inner cavity of the air tap of the air bottle.

Preferably, an outer bottle body opening is formed in one end, far away from the bottle body sealing cover, of the outer bottle body, and an annular limiting check ring capable of being matched with the blocking piece is arranged on the outer bottle body opening.

Preferably, the baffle plate is provided with a pressure relief valve communicated with the interior of the corrugated pipe.

The indoor environmental pollutant sampling equipment has the beneficial effects that: the sampling air bottle is matched with the air pump to sample indoor ambient air, so that the sampling is more convenient and labor-saving, the sampling air bottle stores air through the internal corrugated pipe, the corrugated pipe can be compressed to discharge the internal air when the sampling is not performed, the influence on the sampling is avoided, the corrugated pipe can be used for multiple times and can be used for multiple times, the external bottle body is arranged to protect the corrugated pipe, and the automatic plugging device can avoid air leakage in the corrugated pipe.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of a front view of an indoor environmental pollutant sampling device according to the present invention.

Fig. 2 is a schematic structural diagram of a front view cross section of the indoor environmental pollutant sampling device of the utility model.

Fig. 3 is an enlarged structural schematic diagram of a gas cylinder gas nozzle of the indoor environmental pollutant sampling device.

In the figure: 1-air pump, 2-sampling gas bottle, 3-claw, 4-relief valve, 11-air pump air outlet, 12-hose, 13-air joint, 21-outer bottle body, 22-corrugated pipe, 23-bottle body sealing cover, 24-baffle, 25-gas bottle air tap, 26-automatic plugging device, 131-annular boss, 132-cannula, 174-inner bottle body opening, 261-sealing sheet, 262-connecting rod, 263-connecting rod fixing piece, 264-top head, 265-first spring, 2641-top head air passage, 2111-annular limit retainer ring and 33-spring.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are merely used for convenience of describing and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

The first embodiment is as follows:

referring to fig. 1, 2 and 3, the indoor environmental pollutant sampling device of the present invention comprises an air pump 1, the air pump 1 is provided with an air pump air outlet 11, the air outlet 11 is detachably connected with a sampling air bottle 2, the sampling gas bottle 2 comprises a cylindrical outer bottle body 21 and a corrugated pipe 22 which is slidably arranged in the outer bottle body 21, one end of the outer bottle body 21 is provided with a bottle body sealing cover 23 fixedly connected with the outer bottle body, one end of the corrugated pipe 22 is fixedly connected with the bottle body sealing cover 23, a baffle 24 is arranged at one end of the corrugated pipe 22 far away from the bottle body sealing cover 23, the baffle 24 can be slidably arranged in the outer bottle body 21, the bottle body sealing cover 23 is provided with a gas bottle nozzle 25 which is communicated with the interior of the corrugated pipe 22 and can be detachably connected with the gas pump gas outlet 11, an automatic plugging device 26 for automatically plugging the gas cylinder gas nozzle 25 is arranged in the gas cylinder gas nozzle 25. Through setting up sampling gas cylinder 2 and the cooperation of air pump 1 and carrying out indoor ambient air sampling in this embodiment, it is more convenient to sample, and is more laborsaving, and sampling gas cylinder 2 stores the air through inside bellows 22, and bellows 22 can compress bellows 22 when not taking a sample and make its inside air escape, avoids influencing the sampling, and bellows 22 can repetitious usage, and the sample is many times, sets up outer bottle 21 and is used for protecting bellows 22, and automatic plugging device 26 can avoid the inside air of bellows 22 to leak.

Referring to fig. 1, 2 and 3, the automatic plugging device 26 includes a sealing piece 261 capable of cooperating with the gas cylinder air faucet 25, the sealing piece 261 is disposed on the bottle body cover 23 and away from one side of the gas cylinder air faucet 25, a connecting rod 262 is fixedly disposed on one side of the sealing piece 261, the connecting rod 262 is disposed inside the gas cylinder air faucet 25, a connecting rod fixing member 263 capable of cooperating with the connecting rod 262 is disposed in the gas cylinder air faucet 25, the connecting rod 262 is slidably connected to the connecting rod fixing member 263, a top head 264 is disposed at one end of the connecting rod 262 away from the sealing piece 261, a first spring 265 capable of driving the sealing piece 261 to translate towards the end of the gas cylinder air faucet 25 so that the sealing piece 261 cooperates with the bottle body cover 23 to seal the gas cylinder air faucet 25, and two ends of the first spring 265 are respectively connected to the top head 264, The link fixing parts 263 are engaged. The first spring 265 can drive the sealing sheet 261 to automatically block, and gas leakage is avoided.

Referring to fig. 1, 2 and 3, the plug 264 is provided with a plurality of plug air passages 2641 for air to pass through.

Referring to fig. 1, 2 and 3, a flexible pipe 12 is arranged on the air outlet 11 and is communicated with the air outlet, and an air connector 13 for matching with the air tap 25 of the air bottle is arranged at the other end of the flexible pipe 12. Air connector 13 can dismantle with gas cylinder air cock 25 and be connected, can cooperate with top 264 when air connector 13 cooperates with gas cylinder air cock 25 with connecting rod 262, gasket 261 translation, drive gasket 261 to keeping away from the activity of bottle closing cap 23 side for gasket 261 stops shutoff gas cylinder air cock 25, and sampling gas cylinder 2 can normally carry out air sampling.

Referring to fig. 1, fig. 2 and fig. 3, gas cylinder air cock 25 outer lane be equipped with a plurality of can with air connector 13

complex jack catch

3, 3 middle parts of jack catch pass through articulated elements 31 with the articulated connection of gas cylinder air cock 25 outer wall, keep away from on the jack catch 3 the one end of bottle closing cap 23 is equipped with the orientation the eave tile 32 that gas cylinder air cock 25 center side set up, keep away from on the jack catch 3 the one end of eave tile 32 is equipped with and drives eave tile 32 wind articulated elements 31 to gas cylinder air cock 25 center side pivoted second spring 33. Colluding head 32 through jack catch 3 carries out the joint with colluding head 32 cooperation and is connected, and it is more convenient to connect, and is more nimble, connects more stably.

Referring to fig. 1, 2 and 3, the air connector 13 is provided with an annular boss 131 capable of cooperating with the hook 32. The annular boss 131 is convenient for being matched with the hook head 32 of the claw 3 for clamping connection.

Referring to fig. 1, 2 and 3, the air connector 13 is provided with a cannula 132 that can be fitted into the inner cavity of the gas cylinder nozzle 25. The cannula 132 is adapted to engage the head 264 to urge the head 264 inwardly.

Referring to fig. 1, 2 and 3, an outer bottle body opening 211 is formed at an end of the outer bottle body 21 away from the bottle body cover 23, and an annular stop collar 2111 capable of cooperating with the stop piece 24 is formed on the outer bottle body opening 211. The annular limiting check ring 2111 and the baffle 24 are matched to play a limiting role, and the corrugated pipe 22 is prevented from being damaged by excessive sampling.

Referring to fig. 1, 2 and 3, the baffle 24 is provided with a relief valve 4 communicated with the inside of the bellows 22. Automatic venting avoids damage to bellows 22 from excessive sampling.

The working process of the utility model is as follows:

during the working process of the indoor environmental pollutant sampling equipment, the corrugated pipe 22 can be compressed to discharge the air in the corrugated pipe 22 when the sampling is not carried out, so that the sampling is avoided being influenced, the air tap 25 of the air bottle is connected with the air connector 13 when the sampling is carried out, and the air pump 1 pumps air and conveys the air into the corrugated pipe 22 through the air connector 13.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an indoor environmental pollutant sampling equipment, includes air pump (1), be equipped with air pump gas outlet (11) on air pump (1), can dismantle on gas outlet (11) and be connected with sampling gas cylinder (2), its characterized in that: sampling gas cylinder (2) include the outer bottle (21) and the slidable of tube-shape locate outer bottle (21) inside bellows (22), outer bottle (21) one end is equipped with rather than fixed connection's bottle closing cap (23), bellows (22) one end with bottle closing cap (23) fixed connection, keep away from on bellows (22) the one end of bottle closing cap (23) is equipped with separation blade (24), separation blade (24) slidable locate in outer bottle (21), be equipped with on bottle closing cap (23) with bellows (22) inside intercommunication and can with gas cylinder air cock (25) that connection can be dismantled in air pump gas outlet (11), be equipped with in gas cylinder air cock (25) and be used for automatic shutoff device (26) of gas cylinder (25).

2. An indoor environmental contaminant sampling apparatus according to claim 1, wherein: the automatic plugging device (26) comprises a sealing sheet (261) matched with the gas cylinder air tap (25), the sealing sheet (261) is arranged on one side, away from the gas cylinder air tap (25), of the bottle body sealing cover (23), a connecting rod (262) is fixedly arranged on one side of the sealing sheet (261), the connecting rod (262) is arranged inside the gas cylinder air tap (25), a connecting rod fixing piece (263) matched with the connecting rod (262) is arranged in the gas cylinder air tap (25), the connecting rod (262) is connected with the connecting rod fixing piece (263) in a sliding mode, one end, away from the sealing sheet (261), of the connecting rod (262) is provided with a top head (264), the connecting rod (262) is sleeved with a first spring (265) which can drive the sealing sheet (261) to horizontally move towards the end of the gas cylinder air tap (25) so that the sealing sheet (261) is matched with the bottle body sealing cover (23) to match the gas cylinder air tap (25), two ends of the first spring (265) are respectively matched with the ejector head (264) and the connecting rod fixing piece (263).

3. An indoor environmental contaminant sampling apparatus according to claim 2, wherein: the top head (264) is provided with a plurality of top head air passages (2641) for air to pass through.

4. An indoor environmental contaminant sampling apparatus according to claim 1, wherein: and a hose (12) communicated with the air outlet (11) is arranged on the air outlet, and an air connector (13) matched with the air tap (25) of the air bottle is arranged at the other end of the hose (12).

5. An indoor environmental contaminant sampling apparatus according to claim 4, wherein: gas cylinder air cock (25) outer lane be equipped with a plurality of can with air connector (13) complex jack catch (3), jack catch (3) middle part pass through articulated elements (31) with gas cylinder air cock (25) outer wall is articulated to be connected, keep away from on jack catch (3) the one end of bottle closing cap (23) is equipped with the orientation eave tile (32) that gas cylinder air cock (25) center side set up, keep away from on jack catch (3) the one end of eave tile (32) is equipped with and drives eave tile (32) wind articulated elements (31) to gas cylinder air cock (25) center side pivoted second spring (33).

6. An indoor environmental contaminant sampling apparatus according to claim 5, wherein: the air joint (13) is provided with an annular boss (131) which can be matched with the hook head (32).

7. An indoor environmental contaminant sampling apparatus according to claim 5, wherein: the air connector (13) is provided with a cannula (132) which can be matched with the inner cavity of the air tap (25) of the air bottle.

8. An indoor environmental contaminant sampling apparatus according to claim 1, wherein: an outer bottle body opening (211) is formed in one end, far away from the bottle body sealing cover (23), of the outer bottle body (21), and an annular limiting check ring (2111) capable of being matched with the blocking piece (24) is arranged on the outer bottle body opening (211).

9. An indoor environmental contaminant sampling apparatus according to claim 1, wherein: and the baffle plate (24) is provided with a pressure release valve (4) communicated with the interior of the corrugated pipe (22).