CN216791785U - Gas sampling device - Google Patents
Gas sampling device Download PDFInfo
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- CN216791785U CN216791785U CN202220155362.8U CN202220155362U CN216791785U CN 216791785 U CN216791785 U CN 216791785U CN 202220155362 U CN202220155362 U CN 202220155362U CN 216791785 U CN216791785 U CN 216791785U
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Abstract
The utility model belongs to the technical field of gas sampling, and discloses a gas sampling device, which comprises a gas collecting pipe, wherein a finger groove is formed in the right side of the gas collecting pipe, a lower external thread pipe is connected in the bottom of the gas collecting pipe in a threaded manner, a limiting disc is fixedly connected to the bottom of the lower external thread pipe, a silica gel ball is fixedly connected to the bottom of the limiting disc, a sampling pipe is connected to the upper side of the gas collecting pipe through a bearing, a positioning ring is fixedly connected to the inside of the right side of the sampling pipe, a placing ring is movably inserted into the inside of the sampling pipe and placed on the positioning ring, a filter screen is fixedly connected to the inside of the placing ring, an upper external thread pipe is connected to the inside of the right side of the sampling pipe in a threaded manner, a sampling nozzle is fixedly connected to the right side of the upper external thread pipe, gas can be better sampled, manpower can be saved, the working efficiency can be increased, and the device is convenient to carry, the operation is simple.
Description
Technical Field
The utility model belongs to the technical field of gas sampling, and particularly relates to a gas sampling device.
Background
The gas sampling is a process for collecting a pollutant sample or a polluted air sample in the atmosphere, the sampled sample is representative, and the gas sampling instrument is a conventional instrument for collecting a gas sample in an atmospheric environment or an operating environment.
Because a large amount of VOC and formaldehyde-containing materials are used in the production of building materials, decorative materials, furniture and household appliances, and can be gradually released to pollute the indoor air environment in the subsequent use process, the detection method adopted by the current engineering acceptance is an active air sampler sampling method, and a tester is required to carry instruments and equipment to a field for sampling, and then the gas to be detected obtained by sampling is injected into a professional analytical instrument for analysis.
The conventional gas sampling device is large in size, inconvenient to carry and complex to operate, so that the utility model provides the gas sampling device which is small in size, convenient to carry and convenient to sample, reduces manpower and increases working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the above-mentioned problems: the conventional gas sampling device is large in size, inconvenient to carry and complex to operate, so that the utility model provides the gas sampling device which is small in size, convenient to carry and convenient to sample, reduces manpower and increases working efficiency, and therefore, the gas sampling device is provided.
The technical scheme adopted by the utility model is as follows: the utility model provides a gas sampling device, includes the discharge, the finger groove has been seted up on the right side of discharge, threaded connection has external screw thread pipe down in the bottom of discharge, and the spacing dish of the bottom fixedly connected with of external screw thread pipe down, spacing dish bottom fixedly connected with silica gel ball, the top of discharge is connected with the sampling pipe through the bearing, and the inside fixedly connected with holding ring in right side of sampling pipe, the inside activity of sampling pipe is pegged graft and is placed the ring, and places the ring and place on the holding ring, the inside fixedly connected with filter screen of placing the ring, the inside threaded connection in right side of sampling pipe has external screw thread pipe, and goes up the right side fixedly connected with sampling mouth of external screw thread pipe, the inside grafting in right side of sampling mouth has the jam, and blocks up right-hand member fixedly connected with and draws the dish.
In a preferred embodiment, the limiting disc is attached to the bottom of the gas collecting pipe, the outer diameters of the limiting disc and the gas collecting pipe are the same, and the upper part of the silica gel ball is communicated with the lower external threaded pipe and the gas collecting pipe.
In a preferred embodiment, the sampling pipe and the gas collecting pipe are in a communicating structure, a first thread tooth matched with the lower external thread pipe is formed below the inner wall of the gas collecting pipe, and the lower external thread pipe is in threaded connection with the first thread tooth.
In a preferred embodiment, the inner wall of the right side of the sampling tube is provided with a second thread tooth matched with the upper external thread tube, the upper external thread tube is in threaded connection with the second thread tooth, and the left side of the upper external thread tube is attached to the right wall of the placing ring.
In a preferred embodiment, the left wall of the sampling nozzle is attached to the right wall of the sampling tube, the outer diameters of the attachment surfaces of the sampling tube and the sampling nozzle are the same, and the plug is matched with the inside of the sampling nozzle.
In a preferred embodiment, the pull disc is attached to the right wall of the sampling nozzle, the outer diameter of the attachment surface of the pull disc and the sampling nozzle is the same, and the inner diameter of the upper external thread pipe is the same as the outer diameter of the filter screen.
Advantageous effects
Compared with the prior art, the utility model has the advantages that: be convenient for better sampling gas, use manpower sparingly, increase work efficiency, the device carries comparatively conveniently simultaneously, easy operation.
1. According to the utility model, the lower external thread pipe is in threaded connection with the inner part below the gas collecting pipe, so that the limiting disc and the silica gel ball can be conveniently positioned below the gas collecting pipe through the limiting disc, gas can be sampled by extruding the silica gel ball, the finger groove is formed in the right side of the gas collecting pipe, a finger of a user can be conveniently placed in the finger groove, the gas collecting pipe is not easy to fall off, and the stability of the gas collecting pipe during use is improved.
2. In the utility model, a sampling pipe is arranged above a gas collecting pipe through a bearing, so that the sampling pipe can be rotated for use under the action of the bearing, gas can be sucked into the gas collecting pipe through the sampling pipe, a positioning ring is fixedly connected inside the right side of the sampling pipe, a placing ring is conveniently placed on the positioning ring, so that the position of a filter screen can be limited, the filter screen can filter impurities in the air, an upper external thread pipe is fixedly connected on the left side of a sampling nozzle, the upper external thread pipe is conveniently in threaded connection with the inside of the right side of the sampling pipe, the position of the sampling nozzle can be positioned, the placing ring is extruded by the upper external thread pipe, the positions of the placing ring and the filter screen can be positioned, the gas is sampled through the sampling nozzle, a plug is inserted into the sampling nozzle, so that the sampling nozzle can be sealed through the plug, so that the gas is not easy to leak and is convenient for later detection and use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of a limiting disc and a silica gel ball of the present invention;
FIG. 3 is a schematic view of the mounting structure of the sampling tube and the sampling nozzle of the present invention.
The labels in the figure are: 1-gas collecting pipe, 2-finger groove, 3-limit disc, 4-lower external thread pipe, 5-silica gel ball, 6-bearing, 7-sampling pipe, 8-positioning ring, 9-placing ring, 10-filter screen, 11-upper external thread pipe, 12-sampling nozzle, 13-plug, 14-pull disc.
Detailed Description
The utility model will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1 and 2, a gas sampling device comprises a gas collecting tube 1, a finger groove 2 is formed on the right side of the gas collecting tube 1, a finger of a user can be conveniently placed in the finger groove 2, the gas collecting tube 1 is not easy to fall off, the stability of the gas collecting tube 1 in use is improved, a lower external thread tube 4 is connected to the bottom of the gas collecting tube 1 through threads, first thread teeth matched with the lower external thread tube 4 are formed below the inner wall of the gas collecting tube 1, the lower external thread tube 4 is connected to the first thread teeth through threads, a limiting disc 3 is fixedly connected to the bottom of the lower external thread tube 4, the limiting disc 3 is attached to the bottom of the gas collecting tube 1, the outer diameter of the limiting disc 3 is the same as that of the gas collecting tube 1, a silica gel ball 5 is fixedly connected to the bottom of the limiting disc 3, the upper portion of the silica gel ball 5 is in a communicating structure with the lower external thread tube 4 and the gas collecting tube 1, and the silica gel ball 3 and the gas collecting tube 1 can be conveniently positioned below the gas collecting tube 1 through the limiting disc 3, can take a sample gas through extrusion silica gel ball 5, the top of discharge 1 is connected with sampling pipe 7 through bearing 6, and sampling pipe 7 is the connectivity structure with discharge 1, is convenient for can rotate sampling pipe 7 under bearing 6's effect and use, can inhale discharge 1 inside through sampling pipe 7 with gas simultaneously.
Referring to fig. 1 and 3, a positioning ring 8 is fixedly connected to the right side of the sampling tube 7, a placing ring 9 is movably inserted into the sampling tube 7, the placing ring 9 is placed on the positioning ring 8, a filter screen 10 is fixedly connected to the inside of the placing ring 9, so that the placing ring 9 can be conveniently placed on the positioning ring 8, and the position of the filter screen 10 can be limited, at this time, impurities in the air can be filtered by the filter screen 10, an upper external threaded tube 11 is connected to the right side of the sampling tube 7 through threads, a second thread tooth matched with the upper external threaded tube 11 is formed on the inner wall of the right side of the sampling tube 7, the upper external threaded tube 11 is connected to the second thread tooth through threads, the left side of the upper external threaded tube 11 is attached to the right wall of the placing ring 9, the inner diameter of the upper external threaded tube 11 is the same as the outer diameter of the filter screen 10, a sampling nozzle 12 is fixedly connected to the right side of the upper external threaded tube 11, the left wall of the sampling nozzle 12 is attached to the right wall of the sampling tube 7, and sampling pipe 7 is the same with sampling mouth 12 binding face external diameter, be convenient for will go up external screw thread pipe 11 threaded connection inside sampling pipe 7's right side, can fix a position sampling mouth 12's position this moment, go up external screw thread pipe 11 extrusion simultaneously and place ring 9, can fix a position placing ring 9 and filter screen 10's position, and take a sample gas through sampling mouth 12, the inside grafting in right side of sampling mouth 12 has blockking up 13, block up 13 and the inside looks adaptation of sampling mouth 12, be convenient for can seal sampling mouth 12 through blockking up 13, make gaseous difficult the production reveal, the later stage of being convenient for detects the use, block up 13 right-hand member fixedly connected with arm-tie 14, arm-tie 14 and the 12 right-hand wall laminating of sampling mouth, and arm-tie 14 is the same with sampling mouth 12 binding face external diameter.
This application advantage: be convenient for better sampling gas, use manpower sparingly, increase work efficiency, the device carries comparatively conveniently simultaneously, easy operation.
The working principle is as follows: when sampling gas, a user holds the gas collecting pipe 1 with one hand and then clamps fingers in the finger grooves 2, by pulling the pull disc 14, the plug 13 is removed from the interior of the sampling mouth 12, by squeezing the silicone ball 5, the original gas in the silica gel ball 5, the gas collecting pipe 1, the sampling pipe 7 and the sampling nozzle 12 can be discharged, the device is moved to the position where the gas needs to be sampled, at the moment, the silica gel ball 5 is loosened, the gas enters the sampling pipe 7 through the sampling nozzle 12 and then enters the gas collecting pipe 1 through the sampling pipe 7 for storage, and after the sampling is finished, the plug 13 is inserted in the sampling nozzle 12, when detecting gas, taking out the plug 13 from the inside of the sampling nozzle 12, inserting the sampling nozzle 12 into a professional air inlet hole of an analytical instrument, and injecting the gas into the analytical instrument for detection by extruding the silica gel ball 5.
The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (6)
1. A gas sampling device, including discharge (1), its characterized in that: the right side of the gas collecting pipe (1) is provided with a finger groove (2), the bottom of the gas collecting pipe (1) is connected with a lower external thread pipe (4) through a thread, the bottom of the lower external thread pipe (4) is fixedly connected with a limiting disc (3), the bottom of the limiting disc (3) is fixedly connected with a silica gel ball (5), the upper part of the gas collecting pipe (1) is connected with a sampling pipe (7) through a bearing (6), the inside of the right side of the sampling pipe (7) is fixedly connected with a positioning ring (8), a placing ring (9) is movably inserted into the sampling pipe (7), the placing ring (9) is placed on the positioning ring (8), the inside of the placing ring (9) is fixedly connected with a filter screen (10), the right side of the sampling pipe (7) is connected with an upper external thread pipe (11) through a thread, and the right side of the upper external thread pipe (11) is fixedly connected with a sampling nozzle (12), the sampling nozzle is characterized in that a plug (13) is inserted into the right side of the sampling nozzle (12), and a pull disc (14) is fixedly connected to the right end of the plug (13).
2. A gas sampling assembly as defined in claim 1, wherein: spacing dish (3) and gas collecting pipe (1) bottom are laminated, and just spacing dish (3) are the same with the external diameter of gas collecting pipe (1), silica gel ball (5) top and outer screw tube (4) down and gas collecting pipe (1) are the connectivity structure.
3. A gas sampling assembly as defined in claim 1, wherein: sampling pipe (7) are the intercommunication structure with gas collecting pipe (1), the inner wall below of gas collecting pipe (1) is seted up with the first thread tooth of outer screw tube (4) looks adaptation down, and just outer screw tube (4) threaded connection is on first thread tooth down.
4. A gas sampling assembly as defined in claim 3, wherein: sampling pipe (7) right side inner wall offer with last external screw thread pipe (11) looks adaptation second thread tooth, and go up external screw thread pipe (11) threaded connection on the second thread tooth, go up the left side of external screw thread pipe (11) and place ring (9) right side and laminate mutually.
5. A gas sampling assembly as defined in claim 1, wherein: sample mouth (12) left side wall and sample tube (7) right side are laminated mutually, and sample tube (7) and sample mouth (12) binding face external diameter the same, jam (13) and the inside looks adaptation of sample mouth (12).
6. A gas sampling assembly as defined in claim 1, wherein: draw dish (14) and sampling mouth (12) right wall to laminate mutually, and draw dish (14) and sampling mouth (12) binding face external diameter the same, it is the same with filter screen (10) external diameter to go up external screw thread pipe (11) internal diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220155362.8U CN216791785U (en) | 2022-01-20 | 2022-01-20 | Gas sampling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220155362.8U CN216791785U (en) | 2022-01-20 | 2022-01-20 | Gas sampling device |
Publications (1)
Publication Number | Publication Date |
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CN216791785U true CN216791785U (en) | 2022-06-21 |
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Family Applications (1)
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CN202220155362.8U Active CN216791785U (en) | 2022-01-20 | 2022-01-20 | Gas sampling device |
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CN (1) | CN216791785U (en) |
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2022
- 2022-01-20 CN CN202220155362.8U patent/CN216791785U/en active Active
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