CN211085851U

CN211085851U - Air sampling device for environmental protection

Info

Publication number: CN211085851U
Application number: CN201921848012.4U
Authority: CN
Inventors: 陈晓彤; 陈新
Original assignee: Tianjin Taifeng Xingye Technology Co ltd
Current assignee: Tianjin Taifeng Xingye Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-07-24
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an air sampling device for environmental protection, which comprises a sampling barrel, a first one-way valve, a pressure applicator, a sucker, an exhaust pipe, a hose, a telescopic rubber container, a telescopic rod, a telescopic spring, an air vent and a second one-way valve, wherein the telescopic rubber container is fixedly arranged in the sampling barrel, the end face of the sampling barrel is provided with the air vent, the telescopic rod is fixedly arranged at one end of the sampling barrel close to the air vent, the output end of the telescopic rod is fixedly connected with the telescopic end of the telescopic rubber container, the telescopic spring is sleeved outside the telescopic rod, the telescopic rubber container is elastically connected with the sampling barrel through the telescopic spring, the air sampling device for environmental protection is stretched by stepping on the foot of the pressure applicator, and is matched with the reversing conduction of the one-way valve to charge air into the telescopic rubber container, so as to realize the stable sampling of, low cost and strong practicability.

Description

Air sampling device for environmental protection

Technical Field

The utility model relates to an air sampling equipment technical field specifically is an air sampling device for environmental protection.

Background

The environmental protection is a general term of various actions taken by human beings for solving real or potential environmental problems, coordinating the relationship between human beings and the environment and guaranteeing the sustainable development of economy and society, and the air collection is required in the environmental protection operation along with the gradual increase of environmental pollution and the timely protection, but the existing air collection equipment has a complex structure, higher cost and lower practicability. Therefore, an air sampling device for environmental protection is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air sampling device for environmental protection to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air sampling device for environmental protection comprises a sampling barrel, a first check valve, a pressure applicator, a sucker, an exhaust pipe, a hose, a telescopic rubber container, a telescopic rod, a telescopic spring, an air vent and a second check valve, wherein the telescopic rubber container is fixedly installed inside the sampling barrel, the end face of the sampling barrel is provided with the air vent, the telescopic rod is fixedly arranged at one end, close to the air vent, inside the sampling barrel, the telescopic rod is fixedly connected with the telescopic end of the telescopic rubber container, the outer side of the telescopic rod is sleeved with the telescopic spring, the telescopic rubber container is elastically connected with the sampling barrel through the telescopic spring, the end, far away from the air vent, of the sampling barrel is provided with the first check valve, the first check valve is communicated with the telescopic rubber container through a pipeline, the exhaust pipe is connected and installed at the middle part of the connecting pipeline, the pressure, one side of the pressure applicator is communicated with a second one-way valve, and the other end of the pressure applicator and the second one-way valve are respectively communicated and connected with the first one-way valve and the sucker through hoses.

Preferably, a handle is fixed on the outer wall of the sampling barrel.

Preferably, the sampling barrel is made of stainless steel materials.

Preferably, the pressure applicator comprises a pressing cover, a return spring, a folding telescopic sleeve and a bottom cover, the pressing cover is arranged at the top of the bottom cover in parallel, the pressing cover and the bottom cover are in sealing connection through the folding telescopic sleeve, the return spring is fixed on the surface of the bottom cover which is located on the folding telescopic sleeve, and the bottom cover is elastically connected with the pressing cover through the return spring.

Preferably, a filter screen is fixedly arranged in the suction cup.

Compared with the prior art, the beneficial effects of the utility model are that: the device is placed in a sampling place, the sucker is held by a hand, the pressure applicator is stepped by feet, when the pressure applicator is pressed down, the second one-way valve is closed, the first one-way valve is opened, air in the pressure applicator is led into the telescopic rubber container, when the pressure applicator ascends, the first one-way valve is closed, the second one-way valve is opened, air is supplemented into the pressure applicator through the sucker, the telescopic rubber container is continuously filled with air through continuous lifting and trampling of the pressure applicator, the telescopic rubber container is gradually expanded by overcoming the elasticity of the telescopic spring to realize sampling and collection of air, the telescopic rubber container is compressed and exhausted through the opening of the exhaust pipe and matching with the elasticity of the telescopic spring, the air sampling device for environmental protection is stepped on and stretched by the feet of the pressure applicator and is communicated with the reversing of the one-way valve to fill air into the telescopic rubber container, stable sampling of the air is realized, and the structure, the operation is comparatively convenient, and is with low costs, and the practicality is stronger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the sampling barrel of the present invention;

FIG. 3 is a schematic view of the pressure applicator of the present invention;

fig. 4 is a schematic view of the sectional structure of the sucker.

In the figure: 1. a sampling barrel; 2. a first check valve; 3. applying a pressure device; 4. a suction cup; 5. a handle; 6. an exhaust pipe; 7. a hose; 8. a flexible rubber container; 9. a telescopic rod; 10. a tension spring; 11. a gland; 12. a return spring; 13. folding the telescopic sleeve; 14. a bottom cover; 15. a filter screen; 16. a vent hole; 17. a second one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an air sampling device for environmental protection comprises a sampling barrel 1, a first check valve 2, a pressure applicator 3, a sucker 4, an exhaust pipe 6, a hose 7, a telescopic rubber container 8, a telescopic rod 9, a telescopic spring 10, an air vent 16 and a second check valve 17, wherein the telescopic rubber container 8 is fixedly arranged inside the sampling barrel 1, the end face of the sampling barrel 1 is provided with the air vent 16, the telescopic rod 9 is fixedly arranged at one end of the sampling barrel 1 close to the air vent 16, the output end of the telescopic rod 9 is fixedly connected with the telescopic end of the telescopic rubber container 8, the telescopic spring 10 is sleeved outside the telescopic rod 9, the telescopic rubber container 8 is elastically connected with the sampling barrel 1 through the telescopic spring 10, the sampling barrel 1 is far away from one end of the air vent 16 and is provided with the first check valve 2, the first check valve 2 is communicated with the telescopic rubber container 8 through a pipeline, and the exhaust pipe 6 is, sampling bucket 1 one side is equipped with pressure applicator 3, and pressure applicator 3 one side is equipped with sucking disc 4, pressure applicator 3 one side intercommunication has second check valve 17, and the other end of pressure applicator 3 and second check valve 17 all communicate with first check valve 2 and sucking disc 4 through hose 7 respectively and be connected.

The outer wall of the sampling barrel 1 is fixed with a handle 5, so that the device is convenient to hold.

The sampling bucket 1 is made of stainless steel materials, and is high in stress strength and long in service life.

The pressure applying device 3 comprises a pressing cover 11, a reset spring 12, a folding telescopic sleeve 13 and a bottom cover 14, the pressing cover 11 is arranged on the top of the bottom cover 14 in parallel, the pressing cover 11 and the bottom cover 14 are connected in a sealing mode through the folding telescopic sleeve 13, the reset spring 12 is fixed on the surface of the bottom cover 14 located on the folding telescopic sleeve 13, the bottom cover 14 is elastically connected with the pressing cover 11 through the reset spring 12, the pressing cover 11 is pressed downwards by overcoming the elastic force of the reset spring 12, the folding telescopic sleeve 13 is enabled to be folded to discharge the air inside, and the air is guided through the lifting of the pressing cover 11.

A filter screen 15 is fixedly arranged in the sucking disc 4 and used for filtering the adsorbed air, so that the device is prevented from being blocked by large-particle impurities.

The working principle is as follows: the device is placed in the sample site, handheld sucking disc 4, the ware 3 is applyed to the foot, when applying the ware 3 and pushing down, second check valve 17 closes, first check valve 2 is opened, make in the leading-in flexible rubber container 8 of the air in the ware 3 of applying the ware, when applying the ware 3 to rise, first check valve 2 closes, second check valve 17 opens, supply the air in ware 3 toward applying the ware through sucking disc 4, trample through the continuous lift of applying the ware 3, constantly toward filling in the flexible rubber container 8 with the air, make flexible rubber container 8 overcome the elasticity of expanding spring 10 and expand gradually, the realization is collected the sample of air, through opening of blast pipe 6, cooperation expanding spring 10's elasticity, make flexible rubber container 8 compression exhaust.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air sampling device for environmental protection, includes sampling bucket (1), first check valve (2), presser (3), sucking disc (4), blast pipe (6), hose (7), flexible rubber container (8), telescopic link (9), expanding spring (10), air vent (16) and second check valve (17), its characterized in that: the sampling barrel (1) is internally provided with a telescopic rubber container (8), the end face of the sampling barrel (1) is provided with an air vent (16), the inside of the sampling barrel (1) is close to one end of the air vent (16) and is fixed with a telescopic rod (9), the output end of the telescopic rod (9) is fixedly connected with the telescopic end of the telescopic rubber container (8), the outer side of the telescopic rod (9) is sleeved with a telescopic spring (10), the telescopic rubber container (8) is elastically connected with the sampling barrel (1) through the telescopic spring (10), one end of the sampling barrel (1) far away from the air vent (16) is provided with a first check valve (2), the first check valve (2) is communicated with the telescopic rubber container (8) through a pipeline, the middle part of the connecting pipeline is provided with an exhaust pipe (6), one side of the sampling barrel (1) is provided with a pressure applicator (3), and one side of the, one side of the pressure applicator (3) is communicated with a second one-way valve (17), and the other end of the pressure applicator (3) and the second one-way valve (17) are respectively communicated and connected with the first one-way valve (2) and the sucker (4) through hoses (7).

2. The environmental protection air sampling device of claim 1, wherein: the outer wall of the sampling barrel (1) is fixed with a handle (5).

3. The environmental protection air sampling device of claim 1, wherein: the sampling barrel (1) is made of stainless steel materials.

4. The environmental protection air sampling device of claim 1, wherein: the pressure applicator (3) comprises a pressing cover (11), a reset spring (12), a folding telescopic sleeve (13) and a bottom cover (14), wherein the pressing cover (11) is arranged on the top of the bottom cover (14) in parallel, the pressing cover (11) and the bottom cover (14) are connected in a sealing mode through the folding telescopic sleeve (13), the reset spring (12) is fixed on the surface of the bottom cover (14) which is located on the folding telescopic sleeve (13), and the bottom cover (14) is elastically connected with the pressing cover (11) through the reset spring (12).

5. The environmental protection air sampling device of claim 1, wherein: and a filter screen (15) is fixedly arranged in the sucking disc (4).