CN217878517U - Gas sample collection device for environmental monitoring - Google Patents

Abstract

The utility model discloses a gas sample collection device for environmental monitoring relates to gas collection device technical field. The utility model discloses a bag body, the fixed intercommunication in bag body upper end has the connecting pipe, is provided with one-way pneumatic valve in the connecting pipe, and connecting pipe one side structure has the blast pipe that is located one-way pneumatic valve below, can dismantle on the blast pipe and be connected with sealed lid, and the cover is equipped with the bracing piece that the level set up on the connecting pipe, the post that the equal fixedly connected with in bracing piece both ends set up vertically downwards, and the slip cover is equipped with the splint spare that is used for the extrusion bag body between two posts. The utility model discloses set up the bag body into gas storage device, set up the unidirectional air bag into air exhaust device, can be with the internal original gas outgoing of bag through splint spare, and aim at the gas collection region with the unidirectional air bag and extrude, can discharge original gas from blast pipe with the gas suction of required collection, then seal the blast pipe and can carry out normal gas collection, avoided the influence of original gas to the sample, increased the accuracy.

Description

Gas sample collection device for environmental monitoring

Technical Field

The utility model relates to a gas collection device technical field, concretely relates to gas sample collection device for environmental monitoring.

Background

Environmental monitoring refers to the activities of environmental monitoring mechanisms to monitor and measure environmental quality conditions. The environmental monitoring is to monitor and measure the index reflecting the environmental quality to determine the environmental pollution condition and the environmental quality. The environment monitoring mainly comprises the monitoring of physical indexes, the monitoring of chemical indexes and the monitoring of an ecosystem.

When carrying out sample collection to the gas in certain region, can use air exhaust equipment and gas storage device usually, and current air exhaust equipment can use the aspiration pump usually, and storage device can use the gas bomb usually, and its inside itself can have partly external air to hardly clear away original gas in it totally, influence the accuracy of sample very easily when making gas collection, consequently the utility model provides a gas sample collection device for environmental monitoring.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a gas sample collection device is used in environmental monitoring, which can solve the problem that the gas sample accuracy is easily influenced by certain other gases inside the gas extraction and storage equipment used in the prior art.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a gaseous sample collection device for environmental monitoring, includes the bag body, the fixed intercommunication in bag body upper end has the connecting pipe, be provided with one-way pneumatic valve in the connecting pipe, connecting pipe one side structure has the blast pipe that is located one-way pneumatic valve below, can dismantle on the blast pipe and be connected with sealed lid, the bracing piece that the level set up is equipped with to the cover on the connecting pipe, the equal fixedly connected with in bracing piece both ends is the pole that sets up downwards, two slide the cover between the pole and be equipped with the splint spare that is used for the extrusion bag body, the intercommunication can be dismantled to the connecting pipe upper end has the breather pipe, the intercommunication can be dismantled to the breather pipe other end has one-way gasbag.

Further, the bag body is made of polypropylene materials.

Furthermore, the connecting pipe is internally constructed with a conical groove with the pointed end upwards, the one-way air valve comprises a ventilating plate which is fixedly connected in the connecting pipe and positioned above the conical groove, the bottom of the ventilating plate is fixedly connected with a rubber column, and the bottom of the rubber column is fixedly connected with a conical rubber block which is mutually attached to the conical groove.

Further, the blast pipe sets up in connecting pipe one side and is located toper rubber piece below, sealed lid includes that the screw thread post in the blast pipe is installed to the screw thread, screw thread post tip fixedly connected with turning block, the sealing ring on the screw thread post is established to the one end fixedly connected with cover of turning block orientation blast pipe.

Further, the splint spare includes that two slip covers establish the sliding sleeve on two posts respectively, two fixedly connected with two parallel arrangement's stripper plate between the sliding sleeve, two be provided with the clearance the same with bag body thickness between the stripper plate.

Further, the extrusion plate material adopts steel material, and the edge of extrusion plate all constructs the fillet.

Further, the breather pipe includes the screwed pipe of threaded connection at the connecting tube tip, screwed pipe other end fixedly connected with hose, the hose other end cover is established on the end of giving vent to anger of one-way gasbag.

The utility model has the advantages as follows:

1. the utility model discloses a set up the gaseous device of storage into the bag body, thereby can extrude the bag body with its inside original gas extrusion through splint spare, and be provided with the blast pipe on the connecting pipe on the bag body, through opening the blast pipe, and communicate breather pipe and one-way gasbag on the connecting pipe, aim at the gaseous region that needs the collection with the inlet end of one-way gasbag, press the one-way gasbag and can be with one-way gasbag, the breather pipe, the equal replacement of the gas in connecting pipe and the blast pipe is for the gas sample, then close the collection that can normally carry out the gas sample with the blast pipe through sealed lid again, can not influence the accuracy of sample collection because of inside original gas, increase the practicality of device.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a plan view of the present invention;

fig. 3 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 2 in accordance with the present invention;

fig. 4 is a plan elevation view of the present invention;

fig. 5 is a cross-sectional view taken along line B-B of fig. 4 in accordance with the present invention;

reference numerals are as follows: 1. a bag body; 2. a connecting pipe; 201. a tapered groove; 3. a one-way air valve; 301. a gas permeable plate; 302. a rubber column; 303. a conical rubber block; 4. an exhaust pipe; 5. a sealing cover; 501. a threaded post; 502. rotating the block; 503. a seal ring; 6. a support bar; 7. a post rod; 8. a splint member; 801. a sliding sleeve; 802. a pressing plate; 9. a breather pipe; 901. a threaded pipe; 902. a hose; 10. a one-way air bag.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in figures 1-3, the gas sample collecting device for environmental monitoring provided by an embodiment of the present invention comprises a bag body 1, a connecting pipe 2 is fixedly connected to the upper end of the bag body 1, a one-way air valve 3 is arranged in the connecting pipe 2, an exhaust pipe 4 located below the one-way air valve 3 is constructed on one side of the connecting pipe 2, a sealing cover 5 is detachably connected to the exhaust pipe 4, a horizontally arranged supporting rod 6 is sleeved on the connecting pipe 2, vertically and downwardly arranged poles 7 are fixedly connected to both ends of the supporting rod 6, a clamping plate 8 for pressing the bag body 1 is slidably sleeved between the two poles 7, a vent pipe 9 is detachably connected to the upper end of the connecting pipe 2, the other end of the vent pipe 9 is detachably connected to a one-way air bag 10, when the device is used, the bottom of the bag body 1 needs to be clamped and pressed by the clamping plate 8, the exhaust pipe 4 is opened by the sealing cover 5, and then the clamping plate 8 continuously slides upwards by the poles 7, the gas in the bag body 1 is extruded to the outside, the connecting pipe 2 is communicated with the one-way air bag 10 through the vent pipe 9, the air inlet end of the one-way air bag 10 is aligned with the area needing to collect the gas to continuously extrude the one-way air bag 10, the one-way air bag 10 has the original air at the moment, the gas in the one-way air bag 10 can be extruded to the connecting pipe 2 through the vent pipe 9 and then directly discharged from the vent pipe 4, the original air of the whole device is discharged, in the process, the clamping plate 8 needs to be forced to be stopped at the position of the bag body 1 close to the connecting pipe 2, then the vent pipe 4 is sealed through the sealing cover 5, the force is not applied to the clamping plate 8, and the original gas in the one-way air bag 10, the vent pipe 9, the connecting pipe 2 and the vent pipe 4 can be replaced by the gas needing to be collected through continuous extrusion, then seal 4 use sealed lid 5 with blast pipe, slide 8 down with splint spare again until breaking away from behind the bag body 1, can carry out the normal storage of bleeding, it is inside that gaseous entering bag body 1 back can be deposited through one-way pneumatic valve 3's restriction, prevent that gaseous tip from connecting pipe 2 from flowing, accomplish the collection of gas sample, this device just with its inside gas outgoing before gathering the sample, the accuracy nature of can effectual guarantee gas sample, be favorable to environmental monitoring's accuracy.

As shown in fig. 1, in some embodiments, the bag body 1 is made of polypropylene, and the medical polypropylene can be sterilized by high pressure steam, has good mechanical properties, chemical stability and physiological degradability, ensures the cleanness inside the bag body 1, and avoids increasing interference factors to influence the environmental monitoring result.

As shown in fig. 3, in some embodiments, a conical groove 201 with an upward pointed end is configured in the connecting pipe 2, the one-way air valve 3 includes a ventilation plate 301 fixedly connected in the connecting pipe 2 and located above the conical groove 201, a rubber column 302 is fixedly connected to the bottom of the ventilation plate 301, a conical rubber block 303 attached to the conical groove 201 is fixedly connected to the bottom of the rubber column 302, the diameter of the rubber column 302 is smaller than the inner diameter of the connecting pipe 2, when air enters the connecting pipe 2, the air enters the rubber column 302 through the ventilation plate 301, and then the conical rubber block 303 is extruded, so that the air flows into the lower side of the conical rubber block 303 from the inclined plane of the conical groove 201, and the reverse air flow extrudes the conical rubber block 303 to closely attach to the conical groove 201, thereby achieving the effect of blocking the reverse flow of air, ensuring the storage effectiveness of air, and preventing the loss of a gas sample.

As shown in fig. 5, in some embodiments, the exhaust pipe 4 is disposed at one side of the connection pipe 2 and located below the tapered rubber block 303, the sealing cover 5 includes a threaded post 501 installed in the exhaust pipe 4 by threads, a rotation block 502 is fixedly connected to an end of the threaded post 501, a sealing ring 503 is fixedly connected to one end of the rotation block 502 facing the exhaust pipe 4 and sleeved on the threaded post 501, an inner diameter of the connection pipe 2 is the same as an inner diameter of the exhaust pipe 4, one of the sealing covers 5 is used for being connected with the exhaust pipe 4, the other sealing cover is used for sealing the connection pipe 2 after gas collection is completed, and is matched with the one-way gas valve 3 for double sealing, so that loss of gas samples is effectively avoided, safety of the device is improved, sealing performance is improved by the sealing ring 503, and the threaded connection can be conveniently disassembled and installed, which is time-saving and labor-saving.

As shown in fig. 1, in some embodiments, the clamping plate 8 includes two sliding sleeves 801 respectively slidably sleeved on the two posts 7, two parallel squeezing plates 802 are fixedly connected between the two sliding sleeves 801, a gap having the same thickness as the bag body 1 is provided between the two squeezing plates 802, the two squeezing plates 802 are made of hard material and do not deform, the bag body 1 is inserted between the two squeezing plates 802 to keep the inner walls of the bag body 1 in a mutually attached state, so that the air inside the bag body 1 is squeezed out when the two squeezing plates 802 are moved upwards.

As shown in fig. 1, in some embodiments, the extrusion plate 802 is made of steel, and the edges of the extrusion plate 802 are all configured with round corners, so that the strength of the extrusion plate 802 can be ensured by using steel, the extrusion plate can smoothly extrude the bag body 1, and the round corners are arranged to prevent the bag body 1 from being scratched, thereby increasing the practicability of the device.

As shown in fig. 3, in some embodiments, the vent pipe 9 includes a threaded pipe 901 screwed to the end of the connecting pipe 2, a hose 902 is fixedly connected to the other end of the threaded pipe 901, the other end of the hose 902 is sleeved on the air outlet end of the one-way airbag 10, because the sealing cover 5 needs to be connected in the connecting pipe 2, a thread is provided inside the hose for connecting the threaded post 501, and the threaded pipe 901 is provided at one end of the hose 902 to be matched with the thread in the connecting pipe 2, and the connection is established through the threaded connection and the sleeve, so that the installation and the disassembly are both more convenient, and time and labor are saved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. The utility model provides a gaseous sample collection device for environmental monitoring, a serial communication port, includes the bag body (1), the fixed intercommunication in bag body (1) upper end has connecting pipe (2), be provided with one-way pneumatic valve (3) in connecting pipe (2), blast pipe (4) that are located one-way pneumatic valve (3) below are constructed to connecting pipe (2) one side, can dismantle on blast pipe (4) and be connected with sealed lid (5), the cover is equipped with bracing piece (6) that the level set up on connecting pipe (2), the equal fixedly connected with in bracing piece (6) both ends post (7) that set up downwards, two slip cover is equipped with splint spare (8) that are used for the extrusion bag body (1) between post (7), the intercommunication can be dismantled to connecting pipe (2) upper end has breather pipe (9), the intercommunication can be dismantled to the breather pipe (9) other end has one-way air bag (10).

2. The gas sample collecting device for environmental monitoring as claimed in claim 1, wherein the bag body (1) is made of polypropylene.

3. The gas sample collecting device for environmental monitoring according to claim 1, wherein a conical groove (201) with an upward pointed end is configured in the connecting pipe (2), the one-way valve (3) comprises a ventilation plate (301) fixedly connected in the connecting pipe (2) and located above the conical groove (201), a rubber column (302) is fixedly connected to the bottom of the ventilation plate (301), and a conical rubber block (303) mutually attached to the conical groove (201) is fixedly connected to the bottom of the rubber column (302).

4. The gas sample collection device for environmental monitoring as recited in claim 1, wherein the exhaust pipe (4) is disposed on one side of the connection pipe (2) and below the tapered rubber block (303), the sealing cover (5) comprises a threaded column (501) which is installed in the exhaust pipe (4) in a threaded manner, a rotation block (502) is fixedly connected to an end of the threaded column (501), and a sealing ring (503) which is sleeved on the threaded column (501) is fixedly connected to one end of the rotation block (502) facing the exhaust pipe (4).

5. The gas sample collecting device for environmental monitoring as claimed in claim 1, wherein the splint member (8) comprises two sliding sleeves (801) respectively slidably sleeved on the two posts (7), two parallel extrusion plates (802) are fixedly connected between the two sliding sleeves (801), and a gap having the same thickness as the bag body (1) is arranged between the two extrusion plates (802).

6. The gas sample collecting device for environmental monitoring as recited in claim 5, wherein the material of the squeeze plate (802) is steel, and edges of the squeeze plate (802) are rounded.

7. The gas sample collecting device for environmental monitoring as claimed in claim 1, wherein the vent pipe (9) comprises a threaded pipe (901) screwed to an end of the connecting pipe (2), the other end of the threaded pipe (901) is fixedly connected with a hose (902), and the other end of the hose (902) is sleeved on an air outlet end of the one-way air bag (10).

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