CN219736970U - Collector for detecting ambient air - Google Patents
Collector for detecting ambient air Download PDFInfo
- Publication number
- CN219736970U CN219736970U CN202322138618.1U CN202322138618U CN219736970U CN 219736970 U CN219736970 U CN 219736970U CN 202322138618 U CN202322138618 U CN 202322138618U CN 219736970 U CN219736970 U CN 219736970U
- Authority
- CN
- China
- Prior art keywords
- bottle
- fixedly connected
- gas
- collecting bottle
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000012080 ambient air Substances 0.000 title claims abstract description 16
- 239000003570 air Substances 0.000 claims abstract description 93
- 230000008878 coupling Effects 0.000 claims abstract 4
- 238000010168 coupling process Methods 0.000 claims abstract 4
- 238000005859 coupling reaction Methods 0.000 claims abstract 4
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides an ambient air detects uses collector, relates to sampling device technical field, including the lifting seat, the vertical collection bottle that is equipped with in the upper end of lifting seat, along vertical slip in the collection bottle being equipped with the piston board, the rigid coupling has the outlet duct of its inner chamber of intercommunication on the outer wall that the collection bottle is close to the upper end, the outside cover of collection bottle is equipped with the swivel that rotates the setting, the swivel is along vertical lift setting, enclose the gas collection bottle that is equipped with a plurality of detachable setting on the swivel, the bottleneck of gas collection bottle corresponds with the outlet duct. The utility model solves the problems that the device in the prior art needs to detach the original gas collecting bottle before collecting the air with different heights, replace the new gas collecting bottle, and discharge the original air in the gas collecting bottle, so that the collection efficiency of the device is low.
Description
Technical Field
The utility model relates to the technical field of sampling devices, in particular to a collector for detecting ambient air.
Background
Before detecting the air in the environment and determining the pollution degree and the pollutant type, the air in the detection environment needs to be collected, and the pollutant in the air is detected. However, the traditional air collection device is complex in structure and inconvenient to store, is troublesome in the process of collecting gas, and affects the collection of the gas.
The utility model discloses a patent of publication number CN210442168U among the prior art, the name is an air collection system for environmental detection, including outer box, the inner chamber lateral wall of outer box is provided with spacing spring, and spacing spring keeps away from the one end of the lateral wall of outer box and is provided with the baffle, is provided with the gas cylinder between the baffle, and the bottom of gas cylinder is provided with the base plate, and the top left side of gas cylinder is provided with the air inlet, is provided with the check valve that admits air on the air inlet, and the top right side of gas cylinder is provided with the gas outlet, reduces the possibility that the acquisition bottle was damaged because of receiving the effect of external force.
The prior art, including the above patents, has also gradually revealed the disadvantages of this technology with use, mainly in the following aspects:
first, when current air collector gathers the air of not co-altitude, rise the trachea to predetermined height through elevating gear, start the air pump, absorb this high air, need pull down original gas collection bottle before absorbing, change new gas collection bottle to need the air pump work a period with the trachea and the interior original air discharge of gas collection bottle, lead to the device to gather inefficiency.
Second, after the existing air collector finishes collecting air, the air is stored in the air collection bottle, and when the air is detected, the air in the air collection bottle is required to be pumped out by using the air pumping device for detection, so that the operation is complex.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model solves the problems that the device in the prior art needs to detach the original gas collecting bottle before collecting the air with different heights, replace the new gas collecting bottle, and discharge the original air in the gas collecting bottle, so that the collection efficiency of the device is low.
In order to solve the problems, the utility model provides the following technical scheme:
the collector for detecting the ambient air comprises a lifting seat, wherein the upper end part of the lifting seat is vertically provided with a collecting bottle, a piston plate is arranged in the collecting bottle in a vertical sliding way, an air outlet pipe communicated with the inner cavity of the collecting bottle is fixedly connected to the outer wall of the collecting bottle close to the upper end part, a rotating ring which is arranged in a rotating way is sleeved outside the collecting bottle, the rotating ring is arranged in a vertical lifting way, a plurality of detachably arranged air collecting bottles are arranged on the rotating ring in a surrounding way, the bottle mouth of each air collecting bottle corresponds to the air outlet pipe,
the gas collecting bottle is characterized in that a valve plate is arranged in the gas collecting bottle in a vertical sliding mode, the lower end portion of the valve plate is fixedly connected with a push rod, and the lower end portion of the push rod penetrates through the bottom of the gas collecting bottle and extends to the outside.
As an optimized scheme, the upper end part of the acquisition bottle is fixedly connected with an air inlet cylinder communicated with the inner cavity of the acquisition bottle, and the inlet end of the air inlet cylinder is fixedly connected with a filter screen cover.
As an optimized scheme, a supporting seat is fixedly connected on the outer wall of the swivel corresponding to each gas collecting bottle, a groove body matched with the outer wall of the gas collecting bottle is formed in the supporting seat, and an avoidance hole for avoiding the push rod is formed in the bottom surface of the groove body.
As an optimized scheme, the lower end part of the acquisition bottle is fixedly connected with a protective box which is communicated with the lower end part of the acquisition bottle, a first driving machine is fixedly connected in the protective box, a first gear is fixedly connected at the output end of the first driving machine, and a rack meshed with the first gear is fixedly connected on the lower surface of the piston plate.
As an optimized scheme, the lower end part of the protective box is fixedly connected with a supporting pipe, the protective box is fixedly connected to the lifting seat through the supporting pipe, and a through hole for avoiding the rack is formed in the bottom surface of the protective box.
As an optimized scheme, a supporting ring which is installed on the outer wall of the acquisition bottle in parallel in a rotating way is arranged below the swivel, and two lifting cylinders are fixedly connected between the supporting ring and the swivel in parallel.
As an optimized scheme, the lower surface of the supporting ring is fixedly connected with a toothed ring, the outer wall of the protective box is fixedly connected with a second driving machine, and the output end of the second driving machine is fixedly connected with a second gear meshed with the toothed ring.
As an optimized scheme, an air outlet cylinder is fixedly connected to the bottle opening of the air collecting bottle, and a blocking cover is connected to the outlet end of the air outlet cylinder in a threaded manner.
As an optimized scheme, the lifting seat comprises a multi-section type telescopic cylinder, the lower end part of the multi-section type telescopic cylinder is fixedly connected with a fixing plate, and a plurality of fixing holes are formed in the fixing plate.
As an optimized scheme, a first one-way valve communicated along the air inlet direction is arranged in the air inlet cylinder.
As an optimized scheme, a second one-way valve communicated along the air outlet direction is arranged in the air outlet pipe.
As an optimized scheme, a third one-way valve communicated along the air inlet direction is arranged in the bottle mouth of the air collection bottle.
As an optimized scheme, the outlet end of the air outlet pipe is fixedly connected with a conical rubber sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
when air is collected, a multi-section telescopic cylinder is started, the multi-section telescopic cylinder is extended, an air inlet cylinder is lifted to a preset height to collect air, the function of collecting air at different heights by the device is realized, when the air is collected, a first driver is started, the first driver drives a first gear to rotate, the first gear drives a rack to descend, the rack drives a piston plate to move downwards, at the moment, air pressure in a collecting bottle is reduced, external air enters the collecting bottle through a filter screen cover, the air inlet cylinder and a first one-way valve, after a certain amount of air is collected, the first driver is started to reversely rotate, the first driver drives the rack, the piston plate and the first piston to ascend, the air pressure in the collecting bottle is increased, and the air enters the collecting bottle through a second one-way valve and an air outlet pipe to finish collection;
when collecting the air at the other height, the air inlet cylinder is lifted to the corresponding height through the multi-section telescopic cylinder, the lifting cylinder is shortened, the lifting cylinder drives the swivel to descend, the bottle mouth of the gas collecting cylinder is separated from the conical rubber sleeve, the second driving machine is started, the second driving machine drives the second gear and the toothed ring to rotate, the toothed ring drives the supporting ring, the lifting cylinder and the swivel to rotate, the swivel drives the other gas collecting cylinder to rotate below the conical rubber sleeve, the second driving machine is closed, the lifting cylinder is started to extend, the lifting cylinder drives the swivel and the gas collecting cylinder to ascend until the bottle mouth of the gas collecting cylinder is contacted with the conical rubber sleeve, the gas collecting procedure is carried out, the collection of the gas at the height is completed, the problem of low collecting efficiency caused by using the air suction device is solved, the collecting procedure is simplified, and the accuracy of collected samples is improved;
when the original gas in the gas collection bottle is discharged, the blanking cover is unscrewed, the push rod is pushed, original gas in the gas collection bottle is expelled from the gas outlet cylinder by the valve plate, when the gas is collected, the gas enters the gas collection bottle through the bottle mouth of the gas collection bottle and the third one-way valve, the gas pressure in the gas collection bottle is increased, the valve plate and the push rod are pushed to move downwards, workers only need to know the gas collection condition by observing the length of the push rod, when the sample air in the gas collection bottle is discharged, the blanking cover is opened, the push rod is pushed, the gas in the gas collection bottle is discharged to the detection device, the convenience of discharging the original gas and the sample gas in the gas collection bottle is realized, the sample is prevented from being confused, and the collection condition of the gas in the gas collection bottle is conveniently checked.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a valve plate according to the present utility model.
In the figure: 1-collecting a bottle; 2-an air inlet cylinder; 3-a screen cover; 4-an air outlet pipe; 5-a conical rubber sleeve; 6-gas collecting bottle; 7, a bottle mouth; 8-an air outlet cylinder; 9-plugging a cover; 10-swivel; 11-a supporting seat; 12-a support ring; 13-lifting cylinders; 14-a protective box; 15-supporting the tube; 16-lifting seat; 17-a fixed plate; 18-a piston plate; 19-a first drive; 20-a first gear; 21-a second drive; 22-a second gear; 23-tooth ring; 24-valve plate; 25-pushing rod; 26-a first one-way valve; 27-a second one-way valve; 28-a third one-way valve; 29-rack.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
As shown in fig. 1 and 2, the collector for detecting the ambient air comprises a lifting seat 16, wherein the upper end part of the lifting seat 16 is vertically provided with a collecting bottle 1, a piston plate 18 is vertically arranged in the collecting bottle 1 in a sliding manner, an air outlet pipe 4 communicated with the inner cavity of the collecting bottle 1 is fixedly connected to the outer wall of the collecting bottle 1 close to the upper end part, a rotating ring 10 which is rotatably arranged is sleeved outside the collecting bottle 1, the rotating ring 10 is vertically lifted, a plurality of gas collecting bottles 6 which are detachably arranged are arranged on the rotating ring 10 in a surrounding manner, the bottle mouth 7 of the gas collecting bottle 6 corresponds to the air outlet pipe 4,
the inner edge of the gas collection bottle 6 is vertically provided with a valve plate 24 in a sliding way, the lower end part of the valve plate 24 is fixedly connected with a push rod 25, and the lower end part of the push rod 25 penetrates through the bottom of the gas collection bottle 6 and extends to the outside.
The upper end of the acquisition bottle 1 is fixedly connected with an air inlet cylinder 2 communicated with the inner cavity of the acquisition bottle, and the inlet end of the air inlet cylinder 2 is fixedly connected with a filter screen cover 3.
The outer wall of the swivel 10 is fixedly connected with a supporting seat 11 corresponding to each gas collection bottle 6, a groove body matched with the outer wall of the gas collection bottle 6 is formed in the supporting seat 11, and an avoidance hole for avoiding the push rod 25 is formed in the bottom surface of the groove body.
The lower end part of the acquisition bottle 1 is fixedly connected with a protective box 14 which is communicated, a first driving machine 19 is fixedly connected in the protective box 14, a first gear 20 is fixedly connected at the output end of the first driving machine 19, and a rack 29 meshed with the first gear 20 is fixedly connected on the lower surface of the piston plate 18.
The lower end part of the protective box 14 is fixedly connected with a supporting pipe 15 and fixedly connected to a lifting seat 16 through the supporting pipe 15, and a through hole for avoiding a rack 29 is formed in the bottom surface of the protective box 14.
A supporting ring 12 which is rotatably arranged on the outer wall of the acquisition bottle 1 in parallel is arranged below the swivel 10, and two lifting cylinders 13 are fixedly connected between the supporting ring 12 and the swivel 10 in parallel.
The lower surface of the support ring 12 is fixedly connected with a toothed ring 23, the outer wall of the protective box 14 is fixedly connected with a second driving machine 21, and the output end of the second driving machine 21 is fixedly connected with a second gear 22 meshed with the toothed ring 23.
An air outlet cylinder 8 is fixedly connected on the bottle mouth 7 of the air collecting bottle 6, and the outlet end of the air outlet cylinder 8 is connected with a blocking cover 9 in a threaded manner.
The lifting seat 16 comprises a multi-section telescopic cylinder, the lower end part of the multi-section telescopic cylinder is fixedly connected with a fixing plate 17, and a plurality of fixing holes are formed in the fixing plate 17.
The air intake cylinder 2 is provided therein with a first check valve 26 communicating in the air intake direction.
A second one-way valve 27 communicated along the air outlet direction is arranged in the air outlet pipe 4.
A third one-way valve 28 communicated along the air inlet direction is arranged in the bottle mouth 7 of the air collecting bottle 6.
The outlet end of the air outlet pipe 4 is fixedly connected with a conical rubber sleeve 5.
The working principle of the device is as follows:
when air is collected, a multi-section telescopic cylinder is started, the multi-section telescopic cylinder is extended, the air inlet cylinder 2 is lifted to a preset height, and the air is collected, so that the function of collecting the air with different heights by the device is realized;
when the gas is collected, the first driver 19 is started, the first driver 19 drives the first gear 20 to rotate, the first gear 20 drives the rack 29 to descend, the rack 29 drives the piston plate 18 to move downwards, at the moment, the gas pressure in the collection bottle 1 is reduced, the outside air enters the collection bottle 1 through the filter screen 3, the air inlet cylinder 2 and the first one-way valve 26, after a certain amount of gas is collected, the first driver 19 is started to reversely rotate, the first driver 19 drives the rack 29, the piston plate 18 and the first piston to ascend, the gas pressure in the collection bottle 1 is increased, and the gas enters the gas collection bottle 6 through the second one-way valve 27 and the gas outlet pipe 4 to finish collection;
when collecting the air at the other height, the air inlet cylinder 2 is lifted to the corresponding height through the multi-section telescopic cylinder, the lifting cylinder 13 is shortened, the lifting cylinder 13 drives the swivel 10 to descend, the bottle mouth 7 of the gas collecting cylinder 6 is separated from the conical rubber sleeve 5, the second driving machine 21 is started, the second driving machine 21 drives the second gear 22 and the toothed ring 23 to rotate, the toothed ring 23 drives the supporting ring 12, the lifting cylinder 13 and the swivel 10 to rotate, the swivel 10 drives the other gas collecting cylinder 6 to rotate below the conical rubber sleeve 5, the second driving machine 21 is closed, the lifting cylinder 13 is started to extend, the lifting cylinder 13 drives the swivel 10 and the gas collecting cylinder 6 to ascend until the bottle mouth 7 of the gas collecting cylinder 6 is in contact with the conical rubber sleeve 5, the gas collecting procedure is completed, the gas at different heights is directly collected, the problem of low collecting efficiency caused by using the gas suction device is overcome, the collecting procedure is simplified, and the sample collecting accuracy is improved;
when the original gas in the gas collection bottle 6 is discharged, the blocking cover 9 is unscrewed, the push rod 25 is pushed, the valve plate 24 drives the original gas in the gas collection bottle 6 out of the gas outlet cylinder 8, when the gas is collected, the gas enters the gas collection bottle 6 through the bottle mouth 7 of the gas collection bottle 6 and the third one-way valve 28, the gas pressure in the gas collection bottle 6 is increased, the valve plate 24 and the push rod 25 are pushed to move downwards, a worker can know the gas collection condition only by observing the length of the push rod 25, when the sample air in the gas collection bottle 6 is discharged, the blocking cover 9 is opened, the push rod 25 is pushed, the gas in the gas collection bottle 6 is discharged to the detection device, the convenience of discharging the original gas and the sample gas in the gas collection bottle 6 is realized, the sample is prevented from being disordered, and the collection condition of the gas in the gas collection bottle 6 is conveniently checked.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. Collector for ambient air detects its characterized in that: comprises a lifting seat (16), the upper end part of the lifting seat (16) is vertically provided with a collecting bottle (1), a piston plate (18) is arranged in the collecting bottle (1) along the vertical sliding direction, an air outlet pipe (4) communicated with the inner cavity of the collecting bottle (1) is fixedly connected to the outer wall of the collecting bottle (1) close to the upper end part, a rotating ring (10) which is rotatably arranged is sleeved outside the collecting bottle (1), the rotating ring (10) is vertically lifted, a plurality of detachably arranged air collecting bottles (6) are arranged on the rotating ring (10) in a surrounding manner, the bottle mouth (7) of the air collecting bottle (6) corresponds to the air outlet pipe (4),
the gas collecting bottle (6) is internally provided with a valve plate (24) in a vertical sliding manner, the lower end part of the valve plate (24) is fixedly connected with a push rod (25), and the lower end part of the push rod (25) penetrates through the bottom of the gas collecting bottle (6) to extend to the outside.
2. The ambient air detection collector of claim 1, wherein: the upper end part of the collecting bottle (1) is fixedly connected with an air inlet cylinder (2) communicated with the inner cavity of the collecting bottle, and the inlet end of the air inlet cylinder (2) is fixedly connected with a filter screen cover (3).
3. The ambient air detection collector as set forth in claim 2, wherein: the outer wall of the swivel (10) is fixedly connected with a supporting seat (11) corresponding to each gas collecting bottle (6), a groove body matched with the outer wall of the gas collecting bottle (6) is formed in the supporting seat (11), and an avoidance hole for avoiding the push rod (25) is formed in the bottom surface of the groove body.
4. A collector for detecting ambient air as claimed in claim 3, wherein: the lower end part of the collecting bottle (1) is fixedly connected with a protective box (14) which is communicated with the collecting bottle, a first driving machine (19) is fixedly connected in the protective box (14), a first gear (20) is fixedly connected with the output end of the first driving machine (19), and a rack (29) meshed with the first gear (20) is fixedly connected on the lower surface of the piston plate (18).
5. The ambient air detection collector as set forth in claim 4, wherein: the lower end part of the protection box (14) is fixedly connected with a supporting pipe (15), the protection box is fixedly connected to the lifting seat (16) through the supporting pipe (15), and a through hole for avoiding the rack (29) is formed in the bottom surface of the protection box (14).
6. The ambient air detection collector as set forth in claim 5, wherein: a supporting ring (12) which is rotatably installed on the outer wall of the collecting bottle (1) in parallel is arranged below the swivel (10), and two lifting cylinders (13) are fixedly connected between the supporting ring (12) and the swivel (10) in parallel.
7. The ambient air detection collector as set forth in claim 6, wherein: the lower surface rigid coupling of support ring (12) has ring gear (23), the outer wall rigid coupling of protective housing (14) has second driving machine (21), the output rigid coupling of second driving machine (21) have with second gear (22) that ring gear (23) meshed.
8. The ambient air detection collector as set forth in claim 7, wherein: an air outlet cylinder (8) is fixedly connected to a bottle opening (7) of the air collecting bottle (6), and a blocking cover (9) is connected to the outlet end of the air outlet cylinder (8) in a threaded mode.
9. The ambient air detection collector as set forth in claim 8, wherein: the lifting seat (16) comprises a multi-section telescopic cylinder, the lower end part of the multi-section telescopic cylinder is fixedly connected with a fixing plate (17), and a plurality of fixing holes are formed in the fixing plate (17).
10. The ambient air detection collector as set forth in claim 9, wherein: the novel gas collecting bottle is characterized in that a first one-way valve (26) communicated along the gas inlet direction is arranged in the gas inlet cylinder (2), a second one-way valve (27) communicated along the gas outlet direction is arranged in the gas outlet pipe (4), and a third one-way valve (28) communicated along the gas inlet direction is arranged in the bottle mouth (7) of the gas collecting bottle (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322138618.1U CN219736970U (en) | 2023-08-10 | 2023-08-10 | Collector for detecting ambient air |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322138618.1U CN219736970U (en) | 2023-08-10 | 2023-08-10 | Collector for detecting ambient air |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219736970U true CN219736970U (en) | 2023-09-22 |
Family
ID=88064037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322138618.1U Active CN219736970U (en) | 2023-08-10 | 2023-08-10 | Collector for detecting ambient air |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219736970U (en) |
-
2023
- 2023-08-10 CN CN202322138618.1U patent/CN219736970U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN219736970U (en) | Collector for detecting ambient air | |
CN215525201U (en) | Irrigated area water quality collection integration equipment | |
CN209459958U (en) | A kind of environmental protection unmanned plane water sampling device | |
CN210269321U (en) | Convenient type air sampler | |
CN216186184U (en) | Coal sample collection device | |
CN220690543U (en) | Waste water sampling detects sample collector | |
CN211493301U (en) | UV printer shower nozzle self-cleaning device | |
CN212539797U (en) | Be used for water resource to detect and use sample save set | |
CN209927528U (en) | Environment-friendly industrial wastewater mobile sampling device | |
CN219148681U (en) | Hydrops extraction detection needle cylinder convenient to operate | |
CN215448621U (en) | Liquid food detects uses portable sampling device | |
CN219621172U (en) | Anti-drop's extraction element | |
CN221841023U (en) | Sewage detection device | |
CN221681096U (en) | Animal virus detects sampler | |
CN105839744B (en) | Vacuum pick-up system | |
CN219867386U (en) | Gas sample collection tank | |
CN215640378U (en) | Analytical chemical liquid sampling device for occupational health application | |
CN220418910U (en) | Oil-gas field oil sample collector | |
CN221860051U (en) | Gas collection device | |
CN218297725U (en) | Automatic atmospheric sampling device of suction and exhaust air | |
CN221852598U (en) | Portable collection liquid vacuum collection device | |
CN219579897U (en) | Distillation tower for methyl methacrylate recovery | |
CN219595396U (en) | Pericardium puncture liquid extractor | |
CN218687007U (en) | Glue solution filtering vehicle convenient to move | |
CN216449520U (en) | Gas monitoring device convenient for monitoring conditions in mine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Ma Limin Inventor after: Chen Yanning Inventor after: Wu Hongwei Inventor before: Ma Limin Inventor before: Chen Yanning Inventor before: Wu Hongwei |
|
CB03 | Change of inventor or designer information |