CN217819578U - Air sampling bubble tube - Google Patents
Air sampling bubble tube Download PDFInfo
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- CN217819578U CN217819578U CN202221657903.3U CN202221657903U CN217819578U CN 217819578 U CN217819578 U CN 217819578U CN 202221657903 U CN202221657903 U CN 202221657903U CN 217819578 U CN217819578 U CN 217819578U
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- air
- tube
- gas
- absorption liquid
- cover body
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Abstract
The utility model discloses an air sampling bubble tube, which comprises a cover body, an air inlet component, an air outlet tube and a tube body with an opening at one side, wherein the tube body is used for placing gas absorption liquid; the cover body is covered at the opening and is in sealing connection with the inner wall of the opening; the gas inlet assembly and the gas outlet pipe penetrate through the cover body and extend into the pipe body, the gas inlet assembly and the gas outlet pipe are in threaded connection with the cover body, one end of the gas inlet assembly extends into the gas absorption liquid, the gas outlet pipe is located above the gas absorption liquid level, and the gas outlet pipe is used for being connected with the constant-flow air pump. The utility model is used for take a sample to the material that awaits measuring in the air, the constant current air pump makes the internal negative pressure that forms of body, and after the air let in gaseous absorption liquid through the subassembly of admitting air, the material that awaits measuring in the air is absorbed by gaseous absorption liquid, then through outlet duct flow direction constant current air pump, admit air subassembly and outlet duct all with lid threaded connection, the lid also is threaded connection with the body, has guaranteed the gas tightness of air sampling bubble pipe effectively, easily dismantles simultaneously and clean.
Description
Technical Field
The utility model relates to an environment detection technology field especially relates to an air sampling bubble pipe.
Background
In the field of air quality detection, chemical methods are the main analytical methods, and sampling of air samples by a sampling tube is one of the most important methods. The air sampling pipe that commonly uses on the existing market is the big bubble pipe of glass material, and this type of sampling pipe exists: the absorption tube is not anastomotic with the frosted opening of the bottle body, the air tightness is insufficient, the sampling volume is unstable, the transportation of the sampling tube is inconvenient, and the loss is increased.
Therefore, there is a need to provide a new air sampling bubble tube to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing an air sampling bubble pipe aims at solving the not enough and inconvenient problem of transportation of current air sampling bubble pipe gas tightness.
In order to achieve the purpose, the air sampling bubble tube provided by the utility model comprises a cover body, an air inlet component, an air outlet pipe and a tube body with an opening at one side, wherein the tube body is used for placing gas absorption liquid; the cover body is covered at the opening and is in sealing connection with the inner wall of the opening; the gas inlet assembly and the gas outlet pipe penetrate through the cover body and extend into the pipe body, the gas inlet assembly and the gas outlet pipe are in threaded connection with the cover body, one end of the gas inlet assembly extends into the gas absorption liquid, the gas outlet pipe is located above the gas absorption liquid level, and the gas outlet pipe is used for being connected with a constant-flow gas pump.
Optionally, the tube body includes a liquid holding area and a buffer area, and the diameter of the buffer area is larger than the diameter of the liquid holding area.
Optionally, the air inlet assembly comprises an air inlet pipe and a conduit, the air inlet pipe is sleeved on the conduit, and one end, far away from the air inlet pipe, of the conduit extends into the gas absorption liquid.
Optionally, the intake pipe is including admitting air section and linkage segment, the lid is equipped with two mounting holes, admit air the section with mounting hole inner wall threaded connection, the section of admitting air with the internal diameter size of linkage segment is the same, the section of admitting air with the junction of linkage segment form with the ladder face of lid butt.
Optionally, the inlet pipe and the outlet pipe are identical in structure.
Optionally, the conduit extends to the bottom of the tube body, and the distance between the conduit and the bottom wall of the tube body is not more than 5mm.
Optionally, the outer wall of the conduit is an interference fit with the inner wall of the air inlet tube.
Optionally, the outer side wall of the pipe body close to the opening is provided with threads.
Optionally, the pipe body, the cover body, the air inlet assembly and the air outlet pipe are all made of polytetrafluoroethylene high polymer materials.
Optionally, the pipe body, the cover body and the air outlet pipe are all 3D printing integrated parts.
The utility model discloses among the technical scheme, the air sampling bubble pipe is arranged in taking a sample the material that awaits measuring in the air, and the constant current air pump makes the internal negative pressure that forms of body, and after the air let in gaseous absorption liquid through the subassembly that admits air, the material that awaits measuring in the air is absorbed by gaseous absorption liquid, then through outlet duct flow direction constant current air pump, threaded connection makes the gas tightness of air sampling bubble pipe strengthen greatly, easily dismantles simultaneously and clean.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an air sampling bubble tube in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an air inlet pipe in an embodiment of the present invention.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 100 | Air |
10 | |
| 20 | |
21 | Opening(s) |
| 22 | |
23 | |
| 24 | |
30 | |
| 31 | |
311 | |
| 312 | Connecting |
313 | |
| 32 | |
40 | Air outlet pipe |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
The utility model provides an air sampling bubble pipe aims at solving the not enough and inconvenient problem of transportation of current air sampling bubble pipe gas tightness.
As shown in fig. 1, the air sampling bubble tube 100 of the present invention includes a cover 10, an air inlet assembly 30, an air outlet tube 40, and a tube 20 having an opening 21 at one side, wherein the tube 20 is used for holding a gas absorption liquid; the cover body 10 is covered at the opening 21, and the cover body 10 is hermetically connected with the inner wall of the opening 21; the air inlet assembly 30 and the air outlet pipe 40 penetrate through the cover body 10 and extend into the pipe body 20, the air inlet assembly 30 and the air outlet pipe 40 are in threaded connection with the cover body 10, one end of the air inlet assembly 30 extends into the gas absorption liquid, the air outlet pipe 40 is located above the gas absorption liquid level, and the air outlet pipe 40 is used for being connected with a constant-flow air pump. The constant current air pump passes through outlet duct 40 and extracts the adoption air, the air lets in gaseous absorption liquid back through the subassembly 30 that admits air, the material that awaits measuring in the air is absorbed by gaseous absorption liquid, then flow to the constant current air pump through outlet duct 40, operating personnel can estimate the proportion of the material that awaits measuring in the air of current environment according to the content of the material that awaits measuring in the gaseous absorption liquid, subassembly 30 and outlet duct 40 all are connected with lid 10 screw thread 22 admits air, lid 10 also is threaded 22 with body 20 and is connected, thereby make the gas tightness of air sampling bubble pipe 100 strengthen greatly, the change of convenient to detach transportation and gaseous absorption liquid simultaneously.
The utility model discloses in, body 20 includes liquid and holds district 23 and buffer 24, and buffer 24's diameter is greater than the diameter that liquid held district 23. The gas absorption liquid of liquid holding area 23 is 10ml, and after the air sampling was accomplished, the weight that the gas absorption liquid increased was exactly the weight of the material that awaits measuring that absorbs, and the diameter of buffer 24 is greater than the diameter of liquid holding area 23, and under the same height, buffer 24 compares and holds the district 23 and can hold more liquid in liquid to can not spill over from the gas outlet when making liquid flow back to buffer 24.
As shown in fig. 2, the gas inlet assembly 30 includes a gas inlet pipe 31 and a conduit 32, the gas inlet pipe 31 is sleeved on the conduit 32, and one end of the conduit 32 far from the gas inlet pipe 31 extends into the gas absorption liquid. The duct 32 is communicated with the air inlet pipe 31 and the gas absorption liquid, so that air can be directly introduced into the gas absorption liquid, the air can be fully contacted with the gas absorption liquid, and the sampling speed is increased.
Further, the air inlet pipe 31 comprises an air inlet section 311 and a connecting section 312, the cover body 10 is provided with two mounting holes, the air inlet section 311 is connected with the inner wall threads 22 of the mounting holes, the inner diameter sizes of the air inlet section 311 and the connecting section 312 are the same, and a stepped surface 313 abutted against the cover body 10 is formed at the connecting position of the air inlet section 311 and the connecting section 312. The stepped surface 313 abuts against the lid body 10 and seals the connection between the air inlet tube 31 and the screw 22 of the lid body 10, thereby further enhancing the gas tightness of the air sampling bulb 100.
The inlet pipe 31 and the outlet pipe 40 have the same structure. The air inlet pipe 31 is sleeved on the guide pipe 32, so that the inner diameter of the air inlet is smaller than that of the air outlet, the air inlet pipe 31 and the air outlet pipe 40 can be distinguished conveniently, the phenomenon that the sampler is damaged due to absorption liquid sucked by the fact that the air inlet pipe 31 is connected with the constant-flow sampler by mistake is avoided, and meanwhile, the manufacturing cost is reduced.
Specifically, the conduit 32 extends to the bottom of the tube 20, and the distance between the conduit 32 and the bottom wall of the tube 20 is not greater than 5mm. The guide tube 32 extends to the bottom of the tube body 20 so that the introduced air can be sufficiently contacted with the gas absorption liquid, so that the substance to be measured in the air is sufficiently absorbed to reduce the sampling error, and the size of the gap between the guide tube 32 and the bottom wall of the tube body 20 is not more than 5mm so that the air circulation is smooth.
In the present invention, the outer wall of the duct 32 is in interference fit with the inner wall of the intake pipe 31. The outer diameter of the conduit 32 is the same as the inner diameter of the air inlet tube 31 to form an interference fit, effectively ensuring the overall air tightness of the air sampling bulb 100.
In addition, the outer side wall of the tube body 20 near the opening 21 is provided with a thread 22. The air sampling bubble tube 100 can also be connected with a constant-current sampling robot, and is more convenient and efficient compared with conventional manual sampling.
The tube body 20, the cover body 10, the air inlet assembly 30 and the air outlet tube 40 are all made of polytetrafluoroethylene polymer materials. Polytetrafluoroethylene macromolecular material has high strength, chemical stability is good, corrosion-resistant nature, and polytetrafluoroethylene macromolecular material's air sampling bubble pipe 100 is difficult broken in the transportation to the body 20 of this material does not influence the sample, and sampling pipe itself also can not suffer destruction because of the absorption liquid corrodes, has solved the inconvenient problem of air sampling bubble pipe 100 transportation effectively.
The tube body 20, the cover body 10 and the air outlet tube 40 are all 3D printing integrally formed parts. Specifically, the air inlet pipe 31 and the duct 32 are also integrally formed by 3D printing, the pipe body 20, the cover body 10, the air inlet pipe 31 and the air outlet pipe 40 are all provided with threads 22, wherein the inner walls of the pipe body 20 and the cover body 10 are also provided with threads 22,3D for printing and integrally forming, so that a complex manufacturing process is omitted, the weight of parts can be reduced, and the service life of the parts can be prolonged. 3D prints integrated into one piece and is applicable to small batch production, when needs carry out mass production, the utility model discloses modified polytetrafluoroethylene thermoforming can also be adopted.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (10)
1. The air sampling bubble tube is characterized by comprising a cover body, an air inlet assembly, an air outlet tube and a tube body with an opening at one side, wherein the tube body is used for containing gas absorption liquid; the cover body is covered at the opening and is in sealing connection with the inner wall of the opening; the gas inlet assembly and the gas outlet pipe penetrate through the cover body and extend into the pipe body, the gas inlet assembly and the gas outlet pipe are in threaded connection with the cover body, one end of the gas inlet assembly extends into the gas absorption liquid, the gas outlet pipe is located above the gas absorption liquid level, and the gas outlet pipe is used for being connected with a constant-flow gas pump.
2. The air sampling bulb as recited in claim 1, wherein the tube body includes a liquid containing region and a buffer region, the buffer region having a diameter greater than a diameter of the liquid containing region.
3. The air sampling bubble tube of claim 2, wherein the air intake assembly comprises an air intake tube and a conduit, the air intake tube is sleeved on the conduit, and one end of the conduit, which is far away from the air intake tube, extends into the gas absorption liquid.
4. The air sampling bubble tube of claim 3, wherein the air inlet tube comprises an air inlet section and a connecting section, the cover body is provided with two mounting holes, the air inlet section is in threaded connection with the inner wall of the mounting hole, the inner diameters of the air inlet section and the connecting section are the same in size, and the joint of the air inlet section and the connecting section forms a stepped surface abutted to the cover body.
5. The air sampling bulb of claim 4, wherein the inlet tube and the outlet tube are structurally identical.
6. The air sampling bulb as recited in claim 5, wherein the conduit extends to the bottom of the tube body, and the conduit is spaced from the bottom wall of the tube body by a distance of no more than 5mm.
7. The air sampling bulb of claim 6, wherein an outer wall of the conduit is an interference fit with an inner wall of the air inlet tube.
8. The air sampling bulb as recited in claim 7, wherein an outer side wall of the tube body proximate the opening is threaded.
9. The air sampling bubble tube of any one of claims 1-8, wherein the tube body, the cap body, the air intake assembly, and the air outlet tube are all made of polytetrafluoroethylene polymer.
10. The air sampling bulb of any one of claims 1 to 8, wherein the body, the cover, and the outlet tube are all 3D printed integrally formed pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221657903.3U CN217819578U (en) | 2022-06-29 | 2022-06-29 | Air sampling bubble tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221657903.3U CN217819578U (en) | 2022-06-29 | 2022-06-29 | Air sampling bubble tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217819578U true CN217819578U (en) | 2022-11-15 |
Family
ID=83961522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221657903.3U Active CN217819578U (en) | 2022-06-29 | 2022-06-29 | Air sampling bubble tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217819578U (en) |
-
2022
- 2022-06-29 CN CN202221657903.3U patent/CN217819578U/en active Active
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