CN212722264U - Gas collecting device for indoor chemical gas detection - Google Patents
Gas collecting device for indoor chemical gas detection Download PDFInfo
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- CN212722264U CN212722264U CN202021621039.2U CN202021621039U CN212722264U CN 212722264 U CN212722264 U CN 212722264U CN 202021621039 U CN202021621039 U CN 202021621039U CN 212722264 U CN212722264 U CN 212722264U
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Abstract
The invention provides a gas collecting device for indoor chemical gas detection, which comprises a base, a collecting pipe vertically arranged on the base, and a plurality of gas collecting tanks arranged on the collecting pipe at intervals, wherein each gas collecting tank is communicated with the collecting pipe; the collecting pipe is internally provided with a piston mechanism, the piston mechanism comprises a piston plate which is arranged in the collecting pipe in a sliding mode and a counterweight component which is arranged on the piston plate, one side, facing the base, of the piston plate is provided with a buffer component, the other side of the piston plate is provided with a pull rope, and the base is provided with a reel device used for winding the pull rope. The invention has simple structure, easy assembly and use, can realize the collection of indoor gas with different heights, and has very simple operation.
Description
Technical Field
The invention belongs to the field of air detection equipment, and particularly relates to a gas collecting device for indoor chemical gas detection.
Background
With the improvement of the awareness and the visibility of people to the health, the quality of the environment is more and more emphasized, in order to detect air in a wider range, air collection devices are usually used to collect and concentrate air for detection, which not only saves time and labor, but also the detection accuracy is higher, but the chemical composition or density in the gas may be different in different heights in the chamber due to the temperature influence of the gas in the chamber, because the height difference of about 2 meters generally exists from the floor to the roof in the room, the air at different positions and heights in the room needs to be collected and then jointly detected and judged, however, the existing collecting equipment can not collect indoor air with different heights well, and the collection is very troublesome, which is not beneficial to improving the detection efficiency and the detection precision of the indoor air.
Disclosure of Invention
In view of the above, the present invention provides a gas collecting device for indoor chemical gas detection, which is provided to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a gas collecting device for indoor chemical gas detection comprises a base, a collecting pipe vertically arranged on the base, and a plurality of gas collecting tanks arranged on the collecting pipe at intervals, wherein each gas collecting tank is communicated with the collecting pipe; the collecting pipe is internally provided with a piston mechanism, the piston mechanism comprises a piston plate which is arranged in the collecting pipe in a sliding mode and a counterweight component which is arranged on the piston plate, one side, facing the base, of the piston plate is provided with a buffer component, the other side of the piston plate is provided with a pull rope, and the base is provided with a reel device used for winding the pull rope.
Furthermore, the collecting pipe is formed by a plurality of branch pipes in a splicing mode, threaded connectors matched with each other are arranged at two ends of each branch pipe, and at least one threaded pipe is arranged on each branch pipe.
Furthermore, a threaded sleeve for mounting the collecting pipe is arranged on the base.
Further, the damping assembly includes a damping pad disposed on the piston plate.
Furthermore, the collecting pipe is provided with a guide wheel for guiding the movement of the pull rope.
Furthermore, the counterweight assembly comprises a positioning column arranged on the piston plate and a plurality of counterweight rings stacked on the positioning column; and the positioning column is provided with a locking nut for fixing the counterweight ring.
Furthermore, an assembly ring for installing a pull rope is arranged on the positioning column.
Compared with the prior art, the invention has the following advantages:
the invention has simple structure, easy assembly and use, can realize the collection of indoor gases with different heights, and has very simple operation; through setting up a plurality of gas tanks on the collecting pipe, operating personnel has realized the collection to indoor not co-altitude gas through the not co-location installation gas tank at the collecting pipe, through utilizing the removal of piston board in the collecting pipe, can form the negative pressure in the collecting pipe, and then with the air suction gas tank in, greatly reduced the collection degree of difficulty of indoor gas, it is very convenient to operate, is favorable to improving the collection efficiency of indoor gas.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of a piston mechanism in an embodiment of the invention.
Description of reference numerals:
1-a base; 2-a reel winder; 3-a threaded sleeve; 4-a gas collection tank; 5-a threaded joint; 6-sealing the head; 7-a threaded pipe; 8-a collection tube; 9-a threaded connector; 10-pulling a rope; 11-a guide wheel; 12-an assembly ring; 13-a positioning column; 14-a counterweight ring; 15-a piston plate; 16-buffer pad.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
A gas collecting device for indoor chemical gas detection is shown in figures 1 and 2 and comprises a base 1, a collecting pipe 8 vertically arranged on the base 1 and a plurality of gas collecting tanks 4 arranged on the collecting pipe 8 at intervals, wherein each gas collecting tank 4 is communicated with the collecting pipe 8, threaded connectors 5 are arranged at two ends of each gas collecting tank 4, and threaded pipes 7 matched with the threaded connectors 5 are correspondingly arranged on the collecting pipe 8; specifically, the threaded pipe 7 may be welded and fixed to the collecting pipe 8, the gas collecting tank 4 may be made of a light material such as a plastic material, the threaded joint 5 may be fixed to the gas collecting tank 4 by being adhered with an adhesive, or may be integrally formed with the gas collecting tank 4, the threaded joint 5 may be a threaded sealing joint used in an existing pipeline, and a person skilled in the art may select an appropriate threaded joint 5 as needed as long as stable connection between the threaded joint 5 and the threaded pipe 7 can be achieved, which is not described herein again;
a piston mechanism is arranged in the collecting pipe 8, the piston mechanism comprises a piston plate 15 which is arranged in the collecting pipe 8 in a sliding mode and a counterweight component which is arranged on the piston plate 15, a buffer component is arranged on one side, facing the base 1, of the piston plate 15, a pull rope 10 is arranged on the other side of the piston plate, and a reel device 2 used for winding the pull rope 10 is arranged on the base 1; specifically, the coiler 2 may be an existing electric reel or a manual reel, and a person skilled in the art may select the coiler according to needs, as long as the rope 10 can be coiled, and details are not described herein;
preferably, for the effect that improves piston plate 15, piston plate 15 also can set up the sealing washer all around, and the sealing washer can adopt current rubber seal, and the sealing washer can be pasted and fix at piston plate 15, also can set up the mounting groove that is used for installing the sealing washer on piston plate 15, and the technical personnel in the art can select suitable sealing washer as required and the mounting means of sealing washer, need not be repeated here.
The working process of the collecting device is as follows: an operator can install the gas collection tank 4 on the threaded pipe 7 at the lowest part of the collecting pipe 8, and use the sealing head 6 to block other threaded pipes 7 or gas collection tanks 4, then drive the coiling device 2 to coil the pull rope 10, drive the piston plate 15 to rise quickly, so as to form negative pressure in the collecting pipe 8, use the negative pressure in the collecting pipe 8 to suck outside air into the gas collection tank 4 and the collecting pipe 8, finally, the operator can install the threaded sealing head 6, such as a vacancy plug or a square head screw plug, on one end of the gas collection tank 4 different from the collecting pipe 8, as long as the sealing of the threaded joint 5 can be realized, then the operator can release the pull rope 10, so as to enable the piston plate 15 to descend under the gravity action of the counterweight component, the piston plate 15 can extrude the gas in the collecting pipe 8 into the gas collection tank 4 again in the process of free falling, so as to raise the pressure in the gas collection tank 4, after the gas density is increased, an operator can detach the gas collecting tank 4 and quickly use the sealing head 6 to plug the threaded joint 5, so that the indoor lower-layer air can be collected, and the gas in the collecting pipe can be discharged through the threaded pipe, so that the operator can conveniently perform the next operation; the above steps can be repeated subsequently by the operator, the air collection of each indoor height is completed, and the operation is very convenient.
Preferably, in order to avoid gas leakage in the disassembly process of the gas collection tank 4, the threaded joint 5 connected with the threaded pipe 7 can be provided with a valve for controlling the on-off of the threaded joint 5, the valve can also be arranged at the joint of the gas collection tank 4 and the threaded joint 5, a person skilled in the art can select a valve with a proper model according to needs, and the installation mode of the valve, as long as the plugging of the gas collection tank 4 can be realized, before the gas collection tank 4 is disassembled, the valve can be closed firstly, the threaded joint 5 facing one end of the threaded pipe 7 of the gas collection tank 4 is plugged, so that the gas collection tank 4 can not leak in the disassembly process, the improvement on the gas volume and pressure in the gas collection tank is facilitated, and the subsequent detection is convenient.
The collecting pipe 8 is formed by splicing a plurality of branch pipes, two ends of each branch pipe are respectively provided with a threaded connector 9 which is matched with each other, and each branch pipe is provided with at least one threaded pipe 7; specifically, the threaded connector 9 may be an existing threaded connector for a pipeline, and those skilled in the art may select other types of threaded connectors as needed as long as stable connection between branch pipes can be achieved;
preferably, also can use threaded sleeve to connect between the branch pipe, and technical staff in the field can also adopt other connected modes to connect the branch pipe, as long as can realize the stable connection between the branch pipe can, because gather indoor air, and threaded connection itself has good leakproofness, can adopt sealing connection between the branch pipe, also can not adopt sealing connection, when adopting sealing connection, can adopt the sealed adapter sleeve between each branch pipe, also can set up seal ring, and technical staff in the field can select by oneself as required.
The base 1 is provided with a threaded sleeve 3 for mounting a collecting pipe 8; it is specific, threaded sleeve 3 can welded fastening on base 1, also can adopt other modes fixed, each branch pipe can be through the very convenient installation on threaded sleeve 3 of threaded connection head 9, it is very convenient that the operation is got up, be favorable to improving the convenience that this kind of collection device used, operating personnel can set up a plurality of branch pipes on base 1 as required, thereby the realization is to the regulation of collecting pipe 8 overall height, be convenient for this kind of collection device adaptation multiple highly gaseous collection, the commonality and the suitability of this kind of collection device have been improved.
The cushioning assembly comprises a cushioning pad 16 provided on a piston plate 15; specifically, the buffer pad 16 can adopt the rubber pad, and the buffer pad 16 can be fixed on the piston board 15 through adhesive bonding, also can adopt other modes to fix, and the buffer pad 16 not only can play fine buffer tank effect, clashes with base 1 when avoiding piston board 15 whereabouts, but also can play certain sealed effect, ensures that piston board 15 can form negative pressure environment in collecting pipe 8 when quick travel.
The collecting pipe 8 is provided with a guide wheel 11 for guiding the movement of the pull rope 10; specifically, the guide wheel 11 can be rotatably installed on the collecting pipe 8 through a wheel carrier or a rotating shaft, a person skilled in the art can also install the guide wheel 11 in other modes, the guide wheel 11 can play a good guiding role for the pull rope 10, the pull rope 10 is prevented from shifting or falling off in the rapid moving process, and the stable winding pull rope 10 of the reel device 2 can be ensured all the time.
The counterweight assembly comprises a positioning column 13 arranged on the piston plate 15 and a plurality of counterweight rings 14 stacked on the positioning column 13; a locking nut for fixing the counterweight ring 14 is arranged on the positioning column 13; specifically, reference column 13 can with piston plate 15 integrated into one piece, also can welded fastening, technical personnel in the field also can adopt other fixed modes, be equipped with on reference column 13 with lock nut complex external screw thread, through set up counter weight ring 14 on piston plate 15, can ensure that piston plate 15 is losing 10 pulling forces of stay cord after, piston plate 15 can fall under the effect of counter weight ring 14 gravity, and then impress the gas in the collecting pipe 8 in gas collection tank 4, increase the gas density in gas collection tank 4, make things convenient for follow-up gaseous detection in the gas collection tank 4.
The positioning column 13 is provided with an assembling ring 12 for installing the pull rope 10; specifically, the assembly ring 12 can be welded and fixed on the positioning column 13, and can also be integrally formed with the positioning column 13, the pull rope 10 can be tied on the assembly ring 12, and can also be connected with the assembly ring 12 through a connecting ring, as long as the stable connection of the pull rope 10 and the assembly ring 12 can be realized.
The invention has simple structure, easy assembly and use, can realize the collection of indoor gases with different heights, and has very simple operation; through setting up a plurality of gas tanks on the collecting pipe, operating personnel has realized the collection to indoor not co-altitude gas through the not co-location installation gas tank at the collecting pipe, through utilizing the removal of piston board in the collecting pipe, can form the negative pressure in the collecting pipe, and then with the air suction gas tank in, greatly reduced the collection degree of difficulty of indoor gas, it is very convenient to operate, is favorable to improving the collection efficiency of indoor gas.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (7)
1. The utility model provides an indoor chemical gas detects uses gas collecting device which characterized in that: the collecting pipe is vertically arranged on the base, and a plurality of gas collecting tanks are arranged on the collecting pipe at intervals, each gas collecting tank is communicated with the collecting pipe, both ends of each gas collecting tank are provided with threaded joints, and the collecting pipe is correspondingly provided with threaded pipes matched with the threaded joints; the collecting pipe is internally provided with a piston mechanism, the piston mechanism comprises a piston plate which is arranged in the collecting pipe in a sliding mode and a counterweight component which is arranged on the piston plate, one side, facing the base, of the piston plate is provided with a buffer component, the other side of the piston plate is provided with a pull rope, and the base is provided with a reel device used for winding the pull rope.
2. The gas collecting device for indoor chemical gas detection according to claim 1, wherein: the collecting pipe is formed by a plurality of branch pipes in a splicing mode, threaded connectors matched with each other are arranged at two ends of each branch pipe, and at least one threaded pipe is arranged on each branch pipe.
3. The gas collecting device for indoor chemical gas detection according to claim 2, wherein: the base is provided with a threaded sleeve for mounting the collecting pipe.
4. The gas collecting device for indoor chemical gas detection according to claim 1, wherein: the cushioning assembly includes a cushioning pad disposed on the piston plate.
5. The gas collecting device for indoor chemical gas detection according to claim 1, wherein: the collecting pipe is provided with a guide wheel for guiding the pull rope to move.
6. The gas collecting device for indoor chemical gas detection according to claim 1, wherein: the counterweight assembly comprises a positioning column arranged on the piston plate and a plurality of counterweight rings stacked on the positioning column; and the positioning column is provided with a locking nut for fixing the counterweight ring.
7. The gas collecting device for indoor chemical gas detection according to claim 6, wherein: and an assembling ring for installing a pull rope is arranged on the positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621039.2U CN212722264U (en) | 2020-08-06 | 2020-08-06 | Gas collecting device for indoor chemical gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021621039.2U CN212722264U (en) | 2020-08-06 | 2020-08-06 | Gas collecting device for indoor chemical gas detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722264U true CN212722264U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021621039.2U Active CN212722264U (en) | 2020-08-06 | 2020-08-06 | Gas collecting device for indoor chemical gas detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722264U (en) |
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2020
- 2020-08-06 CN CN202021621039.2U patent/CN212722264U/en active Active
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