CN220542569U - Portable sampling equipment for gas monitoring - Google Patents
Portable sampling equipment for gas monitoring Download PDFInfo
- Publication number
- CN220542569U CN220542569U CN202322137253.0U CN202322137253U CN220542569U CN 220542569 U CN220542569 U CN 220542569U CN 202322137253 U CN202322137253 U CN 202322137253U CN 220542569 U CN220542569 U CN 220542569U
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- fixedly connected
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- suction
- storage seat
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- 238000005070 sampling Methods 0.000 title claims abstract description 124
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 77
- 230000000903 blocking effect Effects 0.000 description 11
- 238000001514 detection method Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses portable sampling equipment for gas monitoring, which comprises a gas storage seat, wherein a plurality of sampling cavities are arranged on the gas storage seat at equal intervals in an annular shape, a circular groove positioned among the plurality of sampling cavities is formed in the top of the gas storage seat, and a gas pumping hole is formed in the inner wall of one side, close to the circular groove, of the sampling cavity. According to the utility model, through the gas storage seat, the plurality of sampling cavities, the plurality of gas pumping holes, the top plate, the U-shaped handle, the suction power supply assembly, the driving motor, the elastic suction self-ventilation air inlet assembly and the indicating assembly, the plurality of sampling cavities can be driven to rotate to change positions to be accurately aligned and communicated with the suction pump one by one, the plurality of sampling cavities can be conveniently sucked, sampled and stored one by one, the self-sealing and leakage-proof effects of gas sampling at the plurality of positions and integrated and centralized temporary separation and storage are realized, and the mutual noninterference can be realized while the integration and portability are realized by utilizing the separation mode of the plurality of sampling cavities, so that the sampling work of personnel is facilitated.
Description
Technical Field
The utility model relates to the technical field of gas sampling equipment, in particular to portable sampling equipment for gas monitoring.
Background
Along with the continuous development of industry and manufacturing industry, more and more factories generate a large amount of production waste gas, equipment such as vehicles and the like can directly discharge waste gas into the environment, so that the environmental quality is greatly influenced, a gas sampling device is required to be used for sampling gas for detecting and treating the atmospheric environment, the gas is transferred to a detection place for detection, the monitoring work of gas quality is realized according to the analysis of the detection data of the multi-position gas, and corresponding treatment measures are adopted by utilizing the gas quality data and the changes;
the prior sampling equipment for gas monitoring is disclosed in patent number CN215448659U, and comprises a sampling bottle and a sampling tube, wherein a pressure gauge is arranged at the top end of the sampling bottle, a one-way valve is arranged on the sampling bottle and comprises a first one-way valve and a second one-way valve, the first one-way valve is connected with the sampling tube, the front end of the sampling tube is provided with a gas collecting cover, the second one-way valve is connected with an exhaust tube, and an air extractor is connected on the exhaust tube; the sampling gun has the advantages that the structure is simple, the design is reasonable, the operation is simple, during sampling, the gas in the sampling bottle is vacuumized firstly, then the sampling is carried out, the first sampled sample is vacuumized and discharged through the air extractor again, and then the sampling can be carried out, so that the purity of the gas in the sampling bottle can be ensured, and the accuracy of subsequent detection is ensured; the portable electric heating device is small in size, convenient to carry, convenient to operate and high in practicality.
The above patent uses a sampling bottle in combination with an air pump to achieve suction sampling of the gas, but it still has some drawbacks: 1. in the gas sampling work, the sampling bottle is utilized to sample the gas at one position at a time, and in the monitoring work, a plurality of positions in one area need to be sampled for comprehensive comparison and judgment, if a plurality of sampling bottles are adopted to sample independently, portability can be reduced due to the fact that the number is increased, and in comprehensive terms, therefore, the portable sampling equipment for gas monitoring is provided for solving the problems.
Disclosure of Invention
The utility model aims to provide a portable sampling device for gas monitoring, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the portable sampling equipment for gas monitoring comprises a gas storage seat, wherein a plurality of sampling cavities are arranged on the gas storage seat at equal intervals in an annular shape, a circular groove positioned among the plurality of sampling cavities is formed in the top of the gas storage seat, a gas pumping hole is formed in the inner wall of one side of the sampling cavity, which is close to the circular groove, of the sampling cavity, and the plurality of sampling cavities are used for sampling gases at multiple positions in gas monitoring work and are temporarily and integrally separated and stored before being transferred to a detection position;
the top of the gas storage seat is movably contacted with a top plate, the top of the top plate is fixedly connected with a U-shaped handle, the bottom of the top plate is fixedly connected with a suction power supply assembly which is movably sleeved in the circular groove in a sealing way, the suction power supply assembly is communicated with a suction hole on the left side, the bottom of the suction power supply assembly is fixedly provided with a driving motor, an output shaft of which is fixedly connected with the inner wall of the bottom of the circular groove, and the suction power supply assembly is used for sucking in a plurality of sampling cavities through a plurality of suction Kong Zhuge and supplying power to the driving motor;
the bottom of the gas storage seat is annular and is fixedly connected with a plurality of exhaust valves at equal intervals, the air inlets of the exhaust valves are communicated with corresponding sampling cavities, the inner walls of the bottoms of the sampling cavities are embedded and fixed with elastic suction self-ventilation air inlet assemblies, and the elastic suction self-ventilation air inlet assemblies are used for automatically and elastically opening to perform air inlet sampling when negative pressure is generated in the sampling cavities by suction;
the gas storage device is characterized in that the same indicating assembly is fixedly connected between the top of the gas storage seat and the left side of the top plate and matched with the plurality of gas extraction holes, and the indicating assembly is used for observing and judging a sampling cavity used in sampling by personnel.
Preferably, the suction power supply assembly comprises a circular tube fixedly connected to the bottom of the top plate, the bottom end of the circular tube is provided with a plugging structure and two communication holes, the bottom end of the circular tube is fixedly installed with the top of the driving motor, the circular tube is movably sleeved in the circular groove in a sealing way, a suction pump is fixedly installed on the inner wall of the left side of the circular tube, the air outlet end of the suction pump extends to the upper side of the top plate, the air inlet end of the suction pump extends to the left side of the circular tube and is communicated with the air suction hole on the left side, a storage battery is fixedly connected to the inner wall of the bottom of the circular tube, and the suction pump and the driving motor are electrically connected with the storage battery; the circular tube, the suction pump and the storage battery are matched, the storage battery is used for supplying power to the suction pump and the driving motor, the driving motor is used for driving the air storage seat to rotate, the rotation and position change of the plurality of sampling cavities and the plurality of air suction holes are realized, the plurality of air suction holes are aligned and communicated with the air inlet end of the suction pump one by one, and the suction pump is used for sucking in the plurality of sampling cavities through the plurality of air suction Kong Zhuge.
Preferably, the elastic suction self-ventilation air inlet assembly comprises an air inlet pipe which is embedded and fixed on the inner wall of the bottom of the corresponding sampling cavity, the bottom end of the air inlet pipe is fixedly connected with a filter screen, the bottom of the filter screen is flush with the bottom of the air storage seat, a conical blocking block is movably sleeved on the top end of the inner side of the air inlet pipe in a sealing way, a supporting block is fixedly connected between the inner wall of the front side of the air inlet pipe and the inner wall of the rear side of the air inlet pipe, an inner rod is fixedly connected to the top of the supporting block, an outer pipe with the top of the blocking structure is sleeved on the inner rod in a sliding way, a spring is fixedly connected between the inner wall of the top end of the outer pipe and the top of the inner rod, and the top of the outer pipe is fixedly connected with the bottom of the corresponding conical blocking block; the utility model provides an intake pipe, the filter screen, the toper chock piece, prop up the piece, interior pole, outer tube and spring cooperation, when being sucked in the sampling cavity and producing negative pressure, when negative pressure suction increased to be greater than the elasticity of corresponding spring, negative pressure suction upwards twitched the toper chock piece displacement that corresponds, the toper chock piece drives the outer tube that corresponds upwards and slides on the interior pole, and tensile to the spring, the shutoff to corresponding intake pipe is upwards relieved to the toper chock piece, outside air is taken to the sampling cavity through the intake pipe in this moment, when personnel closed the suction pump and stopped exerting the suction, the spring that is in tensile state drove toper chock piece downwards to the intake pipe shutoff through corresponding outer tube, realize taking the sample to gas and store and self-sealing prevent leaking the effect.
Preferably, the indicating assembly comprises a plurality of annular labels which are adhered and fixed at the top of the gas storage seat at equal intervals, the left side of the top plate is fixedly connected with a pointer, the pointer is matched with the plurality of labels, and the plurality of labels are arranged in one-to-one correspondence with the plurality of gas extraction holes; the plurality of labels and the pointer cooperation that set up utilize a plurality of labels to a plurality of sampling cavity marks, utilize the alignment of a plurality of labels and pointer to make things convenient for the personnel to judge the gas pocket and the sampling cavity that utilize this moment.
Preferably, the four sides of the bottom of the gas storage seat are fixedly connected with supporting legs, and the bottom positions of the supporting legs are lower than the bottom positions of the exhaust valves.
Preferably, the top of the top plate is fixedly connected with two control switches, and the driving motor and the suction pump are respectively and electrically connected with the corresponding control switches.
Preferably, the right side of the inner rod is provided with a limiting groove, and the right side inner wall of the outer tube is fixedly connected with a limiting block which is in sliding connection with the corresponding limiting groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the portable sampling equipment for gas monitoring is characterized in that the portable sampling equipment is matched with the gas storage seat, the plurality of sampling cavities, the plurality of gas pumping holes, the top plate, the U-shaped handle, the suction power supply assembly, the driving motor and the indicating assembly, is convenient for personnel to carry by hand integrally, and can drive the gas storage seat to rotate so as to drive the plurality of sampling cavities to change positions to be in accurate alignment communication with the suction pump one by one, so that the plurality of sampling cavities can be conveniently subjected to suction sampling gas storage work one by one;
2. according to the portable sampling equipment for gas monitoring, through the cooperation of the sampling cavity and the elastic suction self-ventilation air inlet component, air inlet can be automatically opened when negative pressure is generated in the sampling cavity by suction, gas samples can be automatically blocked and prevented from leaking when suction is stopped, the effect of multi-position gas sampling and integrated, centralized, temporary separation and storage is achieved by utilizing a mode of a plurality of sampling cavities, mutual noninterference is achieved while integrated portability is achieved, personnel carrying work is facilitated by utilizing an integrated mode, and portability is guaranteed;
3. this portable sampling equipment for gas monitoring through the discharge valve that sets up, conveniently follow-up transfer to detect the department when with gas sample emission detect work.
According to the utility model, through the gas storage seat, the plurality of sampling cavities, the plurality of gas pumping holes, the top plate, the U-shaped handle, the suction power supply assembly, the driving motor, the elastic suction self-ventilation air inlet assembly and the indicating assembly, the plurality of sampling cavities can be driven to rotate to change positions to be accurately aligned and communicated with the suction pump one by one, the plurality of sampling cavities can be conveniently sucked, sampled and stored one by one, the self-sealing and leakage-proof effects of gas sampling at the plurality of positions and integrated and centralized temporary separation and storage are realized, and the mutual noninterference can be realized while the integration and portability are realized by utilizing the separation mode of the plurality of sampling cavities, so that the sampling work of personnel is facilitated.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;
fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.
In the figure: 1. a gas storage seat; 101. a sampling cavity; 2. an exhaust valve; 3. a top plate; 4. a round tube; 5. a suction pump; 6. an air suction hole; 7. a driving motor; 8. a U-shaped handle; 9. a pointer; 10. a label; 11. a conical block; 12. an air inlet pipe; 13. an outer tube; 14. a support block; 15. an inner rod; 16. a spring; 17. and (3) a filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the portable sampling device for gas monitoring provided in this embodiment includes a gas storage seat 1, a plurality of sampling cavities 101 are provided on the gas storage seat 1 in an annular equidistant manner, a circular groove located between the plurality of sampling cavities 101 is provided at the top of the gas storage seat 1, a gas pumping hole 6 is provided on an inner wall of one side of the sampling cavity 101 near the circular groove, and the plurality of sampling cavities 101 are utilized to sample gas at a plurality of positions in the gas monitoring operation and to perform temporary integral separation storage before transferring to a detection position;
the top of the gas storage seat 1 is movably contacted with a top plate 3, the top of the top plate 3 is fixedly connected with a U-shaped handle 8, the U-shaped handle 8 has the effect of being convenient for personnel to carry, the bottom of the top plate 3 is fixedly connected with a suction power supply assembly which is hermetically and movably sleeved in the circular groove, the suction power supply assembly is communicated with a left suction hole 6, the bottom of the suction power supply assembly is fixedly provided with a driving motor 7, an output shaft of which is fixedly connected with the inner wall of the bottom of the circular groove, and the suction power supply assembly is used for sucking a plurality of sampling cavities 101 one by one through a plurality of suction holes 6 and supplying power to the driving motor 7; the bottom of the gas storage seat 1 is annular and is fixedly connected with a plurality of exhaust valves 2 at equal intervals, the four sides of the bottom of the gas storage seat 1 are fixedly connected with supporting legs, the bottom positions of the supporting legs are lower than the bottom positions of the exhaust valves 2, the effect of supporting the bottom when the gas storage seat is not used is achieved, the gas inlet of the exhaust valves 2 is communicated with a corresponding sampling cavity 101, an elastic suction self-ventilation gas inlet component is fixedly embedded on the inner wall of the bottom of the sampling cavity 101, and the elastic suction self-ventilation gas inlet component is used for automatically and elastically opening to perform gas inlet sampling when negative pressure is generated in the sampling cavity 101 by suction; the same indicating assembly is fixedly connected between the top of the gas storage seat 1 and the left side of the top plate 3, and is matched with the plurality of gas pumping holes 6, and the indicating assembly is used for a person to observe and judge a sampling cavity 101 utilized in sampling.
Specifically, the suction power supply assembly comprises a circular tube 4 fixedly connected to the bottom of the top plate 3, the bottom end of the circular tube 4 is provided with a plugging structure and two communication holes, the bottom end of the circular tube 4 is fixedly installed with the top of the driving motor 7, the circular tube 4 is movably sleeved in the circular groove in a sealing manner, a sealing rubber sleeve is arranged on the outer side of the circular tube 4 in a sealing manner, the outer side of the sealing rubber sleeve is tightly contacted with the inner wall of the circular groove, the circular tube 4 is movably sleeved in the circular groove in a sealing manner through the sealing rubber sleeve, the left inner wall of the sealing rubber sleeve is provided with the communication holes communicated with the left air suction holes 6, the left inner wall of the circular tube 4 is fixedly provided with a suction pump 5, the air outlet end of the suction pump 5 extends to the upper side of the top plate 3, the air inlet end of the suction pump 5 extends to the left side of the circular tube 4 and is communicated with the left air suction holes 6, a storage battery 5 and the driving motor 7 are both electrically connected with the inner wall of the bottom of the circular tube 4, the driving motor 7 and the top of the top plate 3 are fixedly connected with two control switches, and the driving motor 7 and the suction pump 5 are respectively electrically connected with the corresponding control switches, so that the suction motor and the suction motor can conveniently start and stop the driving and stop the pump 5 and the driving the pump 5; the round tube 4, the suction pump 5 and the storage battery are matched, the storage battery is used for supplying power to the suction pump 5 and the driving motor 7, the driving motor 7 is used for driving the gas storage seat 1 to rotate, the rotation and position conversion of the plurality of sampling cavities 101 and the plurality of air suction holes 6 are realized, the plurality of air suction holes 6 are aligned and communicated with the air inlet end of the suction pump 5 one by one, and the suction pump 5 is used for sucking the plurality of sampling cavities 101 one by one through the plurality of air suction holes 6.
Further, the elastic suction self-ventilation air inlet assembly comprises an air inlet pipe 12 which is embedded and fixed on the inner wall of the bottom of a corresponding sampling cavity 101, wherein an embedded hole which is fixedly connected with the outer side of the corresponding air inlet pipe 12 is formed in the inner wall of the bottom of the sampling cavity 101, the air inlet pipe 12 is embedded and fixed on the inner wall of the bottom of the corresponding sampling cavity 101 through the embedded hole, a filter screen 17 is fixedly connected to the bottom end of the air inlet pipe 12, the bottom of the filter screen 17 is flush with the bottom of the air storage seat 1, a conical blocking block 11 is movably sleeved at the top end of the inner side of the air inlet pipe 12 in a sealing manner, a supporting block 14 is fixedly connected between the inner wall of the front side of the air inlet pipe 12 and the inner wall of the rear side of the air inlet pipe 12, an inner rod 15 is fixedly connected to the top of the supporting block 14, an outer pipe 13 with the top end of the blocking structure is sleeved on the inner rod 15 in a sliding manner, a limit groove is formed in the right side of the inner rod 15, a limit block which is fixedly connected with the corresponding limit groove in a sliding manner, the limit block of the right inner wall of the outer pipe 13 is used for limiting and preventing the outer pipe 13 from falling, a spring 16 is fixedly connected between the inner wall at the top end of the outer pipe 13 and the top end of the inner rod 15 is fixedly connected with the bottom of the corresponding conical block 11; when negative pressure is generated in the sampling cavity 101 by suction, when the negative pressure suction is increased to be larger than the elasticity of the corresponding spring 16, the corresponding conical blocking block 11 is upwards drawn by the negative pressure suction to displace, the conical blocking block 11 drives the corresponding outer tube 13 to slide upwards on the inner rod 15 and stretch the spring 16, the conical blocking block 11 upwards releases the blocking of the corresponding air inlet tube 12, external air is drawn into the sampling cavity 101 through the air inlet tube 12, when a person closes the suction pump 5 to stop applying suction, an air exchanging effect is formed in the sampling cavity 101, the air in the sampling cavity is a gas sample at the position, and the spring 16 in the stretching state drives the conical blocking block 11 to downwards block the air inlet tube 12 through the corresponding outer tube 13, so that the effects of sampling, storing and self-sealing leakage prevention of the gas are achieved.
Further, the indication assembly comprises a plurality of annular labels 10 which are adhered and fixed at the top of the gas storage seat 1 at equal intervals, the left side of the top plate 3 is fixedly connected with a pointer 9, the pointer 9 is matched with the labels 10, and the labels 10 are arranged in one-to-one correspondence with the gas pumping holes 6; the plurality of labels 10 and the pointer 9 that set up cooperate, utilize a plurality of labels 10 to a plurality of sampling cavity 101 marks, utilize the alignment of a plurality of labels 10 and pointer 9 to make things convenient for personnel to judge the bleed hole 6 and the sampling cavity 101 that utilize this moment.
The application method of the embodiment is as follows: when the U-shaped handle 8 is used for being carried by a person directly, during sampling in gas monitoring work, the person firstly carries the sample to a first position to be sampled, then starts the suction pump 5, the air inlet end of the suction pump 5 is sucked in the sampling cavity 101 aligned through the aligned suction hole 6, negative pressure is generated in the sampling cavity 101, when the negative pressure suction force is increased to be greater than the elastic force of the corresponding spring 16, the corresponding conical block 11 is sucked upwards by the negative pressure suction force, the conical block 11 drives the corresponding outer pipe 13 to slide upwards on the inner rod 15 and stretch the spring 16, the conical block 11 upwards releases the blocking of the corresponding air inlet pipe 12, at the moment, external air is sucked into the sampling cavity 101 through the air inlet pipe 12, and when the person closes the suction pump 5 and stops applying suction force, the conical block 11 is driven downwards to block the air inlet pipe 12 by the spring 16 in a stretched state, so that the effect of sampling, storing and self-sealing leakage prevention of gas is realized;
the device is further moved to the position to be sampled, the driving motor 7 is started to drive the gas storage seat 1 to rotate, the gas storage seat 1 drives the sampling cavities 101, the pumping holes 6 and the labels 10 to rotate, when a person observes that the next label 10 is aligned with the pointer 9, the next pumping hole 6 and the sampling cavity 101 are aligned and communicated with the gas inlet end of the suction pump 5, at the moment, the person turns off the driving motor 7, the suction pump 5 is started again to sample gas again, the suction pump 5 is turned off after sampling, the device is moved to the next sampling place, the driving motor 7 is started to change the positions of the sampling cavities 101, then the suction sampling work can be performed again, and the like sequentially.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a portable sampling equipment for gas monitoring, includes gas storage seat (1), its characterized in that: a plurality of sampling cavities (101) are arranged on the gas storage seat (1) at equal intervals in an annular shape, circular grooves positioned among the plurality of sampling cavities (101) are formed in the top of the gas storage seat (1), and a gas pumping hole (6) is formed in the inner wall of one side, close to the circular grooves, of the sampling cavity (101);
the top of the gas storage seat (1) is movably contacted with a top plate (3), the top of the top plate (3) is fixedly connected with a U-shaped handle (8), the bottom of the top plate (3) is fixedly connected with a suction power supply assembly which is movably sleeved in the circular groove in a sealing way, the suction power supply assembly is communicated with a suction hole (6) on the left side, and the bottom of the suction power supply assembly is fixedly provided with a driving motor (7) with an output shaft fixedly connected with the inner wall of the bottom of the circular groove;
the bottom of the gas storage seat (1) is in an annular shape and is fixedly connected with a plurality of exhaust valves (2) at equal intervals, the air inlets of the exhaust valves (2) are communicated with corresponding sampling cavities (101), and the inner walls of the bottoms of the sampling cavities (101) are embedded and fixed with elastic suction self-ventilation air inlet assemblies;
the top of the gas storage seat (1) and the left side of the top plate (3) are fixedly connected with the same indicating assembly, and the indicating assembly is matched with the plurality of gas pumping holes (6).
2. The portable gas monitoring sampling apparatus of claim 1, wherein: the suction power supply assembly comprises a circular tube (4) fixedly connected to the bottom of the top plate (3), two communication holes are formed in the bottom end of the circular tube (4) in a sealing mode, the bottom end of the circular tube (4) is fixedly mounted on the top of a driving motor (7), the circular tube (4) is movably sleeved in a circular groove in a sealing mode, a suction pump (5) is fixedly mounted on the inner wall of the left side of the circular tube (4), the air outlet end of the suction pump (5) extends to the top of the top plate (3), the air inlet end of the suction pump (5) extends to the left side of the circular tube (4) and is communicated with an air suction hole (6) on the left side, a storage battery is fixedly connected to the inner wall of the bottom of the circular tube (4), and the suction pump (5) and the driving motor (7) are electrically connected with the storage battery.
3. A portable gas monitoring sampling apparatus according to claim 2, wherein: the elastic suction is from leading to intake assembly including inlaying intake pipe (12) of fixing on the sampling cavity (101) bottom inner wall that corresponds, the bottom fixedly connected with filter screen (17) of intake pipe (12), the bottom of filter screen (17) and the bottom parallel and level of gas holder (1), the inboard top sealed movable sleeve of intake pipe (12) is equipped with toper shutoff piece (11), fixedly connected with branch piece (14) between the front side inner wall and the rear side inner wall of intake pipe (12), the top fixedly connected with interior pole (15) of branch piece (14), slip cap is equipped with outer tube (13) that the top is the shutoff structure on interior pole (15), fixedly connected with spring (16) between the top inner wall of outer tube (13) and the top of interior pole (15), the top of outer tube (13) and the bottom fixedly connected with of corresponding toper shutoff piece (11).
4. A portable gas monitoring sampling apparatus according to claim 3, wherein: the indicating assembly comprises a plurality of annular labels (10) which are adhered and fixed at the top of the air storage seat (1) at equal intervals, a pointer (9) is fixedly connected to the left side of the top plate (3), the pointer (9) is matched with the labels (10), and the labels (10) are arranged in one-to-one correspondence with the air pumping holes (6).
5. The portable gas monitoring sampling apparatus of claim 1, wherein: the four sides of the bottom of the gas storage seat (1) are fixedly connected with supporting legs, and the bottom positions of the supporting legs are lower than the bottom positions of the exhaust valves (2).
6. A portable gas monitoring sampling apparatus according to claim 2, wherein: the top of the top plate (3) is fixedly connected with two control switches, and the driving motor (7) and the suction pump (5) are respectively and electrically connected with the corresponding control switches.
7. A portable gas monitoring sampling apparatus according to claim 3, wherein: limiting grooves are formed in the right side of the inner rod (15), and limiting blocks which are in sliding connection with the corresponding limiting grooves are fixedly connected to the inner wall of the right side of the outer tube (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322137253.0U CN220542569U (en) | 2023-08-09 | 2023-08-09 | Portable sampling equipment for gas monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322137253.0U CN220542569U (en) | 2023-08-09 | 2023-08-09 | Portable sampling equipment for gas monitoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542569U true CN220542569U (en) | 2024-02-27 |
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ID=89966055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322137253.0U Active CN220542569U (en) | 2023-08-09 | 2023-08-09 | Portable sampling equipment for gas monitoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542569U (en) |
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2023
- 2023-08-09 CN CN202322137253.0U patent/CN220542569U/en active Active
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