CN219830474U - Automobile exhaust sampling tool - Google Patents
Automobile exhaust sampling tool Download PDFInfo
- Publication number
- CN219830474U CN219830474U CN202320874831.6U CN202320874831U CN219830474U CN 219830474 U CN219830474 U CN 219830474U CN 202320874831 U CN202320874831 U CN 202320874831U CN 219830474 U CN219830474 U CN 219830474U
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- Prior art keywords
- automobile exhaust
- main flow
- pipe
- sampling tool
- sliding
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- 238000005070 sampling Methods 0.000 title claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 2
- 241000309551 Arthraxon hispidus Species 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 36
- 238000010008 shearing Methods 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000791 photochemical oxidant Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model belongs to the technical field of sampling tools, in particular to an automobile exhaust sampling tool, which comprises a suction pipe, wherein the outer side of the suction pipe is sleeved with a heat insulation protection bushing, the top of the heat insulation protection bushing is provided with a carrying handle, one end of the suction pipe is provided with an exhaust pipe fixing device, the exhaust pipe fixing device comprises an outer sleeve shell, a separation plate is arranged in the outer sleeve shell, a metal shaping hose is arranged on the separation plate, the top and the bottom of the outer sleeve shell are all penetrated through a mounting opening and are clamped with an exhaust pipe clamping device, the exhaust pipe clamping device comprises a sliding sleeve arranged at the inner side of the mounting opening, a sliding rod is arranged in the sliding sleeve in a sliding manner, one end of the sliding rod positioned at the inner side of the outer sleeve is provided with a rubber anti-skid clamping plate, the other end of the sliding rod is rotationally connected with a fork arm, and the other end of the suction pipe is connected with a sample retaining device through a hose.
Description
Technical Field
The utility model belongs to the technical field of sampling tools, and particularly relates to an automobile tail gas sampling tool.
Background
The motor vehicle exhaust detection is an analysis and measurement of components and concentration of exhaust gas discharged by a motor vehicle in idle speed or working condition state on site or on an operation test bed. The exhaust gas detection of a large amount of harmful exhaust gas discharged during the running of a motor vehicle is an important component of the environmental air pollution monitoring, and is a main flowing pollution source of the environmental air. The items detected are mainly carbon monoxide, nitrogen oxide, hydrocarbon, photochemical oxidant and smoke intensity, in the automobile exhaust detection work, the tail gas needs to be subjected to sample retention for analysis, but in the prior art, a tail gas sampling tube is simply inserted into an automobile exhaust pipe, external air is easy to mix, and primary tail gas mixed with the air is often directly collected, so that the purity of a sampling sample is influenced.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: the utility model provides an automobile exhaust sampling tool can avoid the entering of external air, can carry out automatic automobile exhaust sampling work to can get rid of the first section tail gas of car voluntarily, guarantee the purity of the sample of taking a sample.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an automobile exhaust sampling tool, includes the suction pipe, the thermal-insulated protective bush has been cup jointed in the outside of suction pipe, the carrying handle is installed at the top of thermal-insulated protective bush, exhaust pipe fixing device is installed to the one end of suction pipe, exhaust pipe fixing device includes the overcoat shell, the internally mounted of overcoat shell has the division board, it is equipped with the air vent to run through on the division board, metal forming hose is installed to the inboard of air vent, the top and the bottom of overcoat shell all link up there is the installing port and the joint has exhaust pipe clamping device, exhaust pipe clamping device is including installing the sliding sleeve inboard at the installing port, the inside slidable mounting of sliding sleeve has the slide bar, the one end that the slide bar is located the overcoat shell is equipped with rubber antiskid grip block, the other end rotation of slide bar is connected with the fork arm, install the spring on the fork arm, the other end of suction pipe is passed through the hose and is saved the device with the sample and is connected.
The beneficial effects of the utility model are as follows: when the device is used, a user props up the shearing fork arm by hands to drive the sliding rod to slide outwards along the sliding sleeve, so that the upper rubber anti-slip clamping plate and the lower rubber anti-slip clamping plate are mutually far away, the metal shaping hose is inserted into the automobile exhaust pipe by holding the lifting handle by hands at the same time, and is continuously pushed until the isolating plate is propped against the pipe orifice of the exhaust pipe, the shearing fork arm is loosened, under the action of the resilience force of the spring, the shearing fork arm is driven to reset, and simultaneously the sliding rod is driven to slide along the sliding sleeve towards the direction close to the exhaust pipe, the upper rubber anti-slip clamping plate and the lower rubber anti-slip clamping plate are in close contact with the exhaust pipe through the spring, thereby playing a fixing role, being free from being held by a detector in the detection process, and being capable of sealing a gap between the exhaust pipe and the isolating plate through the arrangement of the sealing gasket, thereby avoiding the entry of external air,
after the automobile starts, after the primary tail gas enters the main flow pipeline, the second electric control valve is opened, the air pump discharges the primary tail gas in the main flow pipeline, then the second electric control valve and the air pump are closed, and the first electric control valve connected with an empty collecting bottle is opened, along with the rising of the pressure in the main flow pipeline and the shunt pipe, the one-way valve is propped open, the tail gas is input into the collecting bottle, the air pressure sensor monitors the air pressure in the main flow pipeline in real time, after the air pressure is monitored to exceed the rated value, the first electric control valve is closed, the second electric control valve and the air pump are opened, the tail gas is stopped being conveyed into the collecting bottle, and the pressure is released for the main flow pipeline, after the single sampling is completed, the automobile is flameout, and the second electric control valve and the air pump are closed, the device can perform automatic automobile tail gas sampling work, the primary tail gas of the automobile can be automatically removed, and the purity of the sampled sample is ensured.
In order to avoid the entry of outside air:
as a further improvement of the above technical scheme: and a sealing rubber cushion is arranged on the side surface of the isolation plate.
The beneficial effects of this improvement are: the isolation board is propped against the orifice of the exhaust pipe, and the gap between the exhaust pipe and the isolation board can be sealed through the arrangement of the sealing rubber cushion, so that the entry of external air is avoided.
For rotation of the scissor arms:
as a further improvement of the above technical scheme: one side of the shearing fork arm is in sliding connection with the sliding block, and the sliding block is in sliding connection with the sliding rail.
The beneficial effects of this improvement are: through the setting of slider and slide rail for cut the fork arm and can rotate under the condition that the slide bar does not carry out horizontal migration.
For automatic retention of samples:
as a further improvement of the above technical scheme: the sample retention device comprises a trolley carriage, a hose connector is arranged on the trolley carriage, the hose connector is connected with an electric three-way valve, two sides of the electric three-way valve are connected with main flow pipelines, a shunt pipe is connected to the main flow pipelines, the bottom end of the shunt pipe is connected with a first electric control valve, the bottom of the first electric control valve is connected with a threaded connector, the bottom of the threaded connector is connected with a collecting bottle, the other end of the main flow pipeline is connected with a second electric control valve, and the second electric control valve is connected with an air pump.
The beneficial effects of this improvement are: the method comprises the steps that an electric three-way valve is controlled to switch according to a main flow pipeline where a used collecting bottle is located, a hose connector and a main flow pipeline are communicated through the electric three-way valve, when sampling is carried out, after an automobile is started, a first section of tail gas enters the main flow pipeline, a second electric control valve is opened, meanwhile, an air pump discharges the first section of tail gas in the main flow pipeline, then the second electric control valve and the air pump are closed, a first electric control valve connected with an empty collecting bottle is opened, along with the rising of the pressure in the main flow pipeline and a shunt pipe, the one-way valve is jacked up, the tail gas is input into the collecting bottle, an air pressure sensor monitors the air pressure in the main flow pipeline in real time, when the air pressure is monitored to exceed a rated value, the first electric control valve is closed, the second electric control valve and the air pump are opened, the tail gas is stopped from being conveyed into the collecting bottle, the main flow pipeline is decompressed, and after single sampling is completed, the automobile is closed, and the second electric control valve and the air pump are closed.
For the movement of the device:
as a further improvement of the above technical scheme: universal wheels are installed at the bottom of the carriage of the trolley, and handrails are arranged at the top of the carriage of the trolley.
The beneficial effects of this improvement are: the universal wheel is used for moving the device, and the device can be conveniently pushed to move through the handrail.
To detect the pressure inside the main flow conduit:
as a further improvement of the above technical scheme: and an air pressure sensor is arranged in the main flow pipeline.
The beneficial effects of this improvement are: the air pressure sensor is used for detecting the pressure inside the main flow pipeline.
To store the samples:
as a further improvement of the above technical scheme: the inner side of the top bottleneck of the collecting bottle is provided with a one-way valve, the bottom of the collecting bottle is provided with an exhaust port, and the bottom of the exhaust port is connected with a bottle cap.
The beneficial effects of this improvement are: along with the pressure in the main flow pipeline and the shunt tubes, the one-way valve is jacked up, tail gas is input into the collecting bottle, and after the input is stopped, the one-way valve is automatically closed, and when sample gas needs to be taken out, the sample in the collecting bottle can be discharged by opening the bottle cap.
To take out the sample:
as a further improvement of the above technical scheme: the side of shallow carriage is equipped with the sampling port, the inboard of sampling port is equipped with the sampling door.
The beneficial effects of this improvement are: after all the collecting bottles finish sample collection, the sampling door can be opened, and each collecting bottle is taken down from the threaded connector.
None of the parts of the device are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of a left front axle construction of the present utility model;
FIG. 2 is a partial right front cutaway schematic view of the present utility model;
FIG. 3 is a partial front view of the present utility model;
FIG. 4 is a schematic view in partial cutaway of the present utility model;
FIG. 5 is a schematic view of a partial isometric construction of the present utility model;
FIG. 6 is a schematic view of a partial front cross-sectional structure of the present utility model;
in the figure: 1. a suction pipe; 2. a thermally insulating protective sleeve; 3. a handle; 4. an outer shell; 5. a partition plate; 6. a metal shaping hose; 7. a sliding sleeve; 8. a slide bar; 9. a rubber anti-slip clamping plate; 10. a scissor arm; 11. a spring; 12. a sample retention device; 13. sealing rubber cushion; 14. a slide block; 15. a slide rail; 16. a cart compartment; 17. a hose connector; 18. an electric three-way valve; 19. a main flow conduit; 20. a shunt; 21. a first electrically controlled valve; 22. a threaded connector; 23. a collection bottle; 24. the second electric control valve; 25. an air pump; 26. a universal wheel; 27. an armrest; 28. an air pressure sensor; 29. a one-way valve; 30. an exhaust port; 31. a bottle cap; 32. and a sampling gate.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1-6, an automobile exhaust sampling tool comprises a suction pipe 1, a heat insulation protection lining 2 is sleeved on the outer side of the suction pipe 1, a carrying handle 3 is installed at the top of the heat insulation protection lining 2, an exhaust pipe fixing device is installed at one end of the suction pipe 1, the exhaust pipe fixing device comprises an outer sleeve shell 4, a separation plate 5 is installed inside the outer sleeve shell 4, a vent hole is formed in the separation plate 5 in a penetrating mode, a metal sizing hose 6 is installed on the inner side of the vent hole, a mounting opening is formed in the penetrating mode at the top and the bottom of the outer sleeve shell 4, an exhaust pipe clamping device is clamped at the bottom of the outer sleeve 4, a sliding sleeve 8 is installed inside the sliding sleeve 7 in a sliding mode, one end of the sliding sleeve 8 located on the inner side of the outer sleeve 4 is provided with a rubber anti-slip clamping plate 9, a shearing fork arm 10 is connected at the other end of the sliding sleeve 8 in a rotating mode, a spring 11 is installed on the shearing fork arm 10, the other end of the suction pipe 1 is connected with a sample retaining device 12 through a hose, a user stretches the shearing fork arm 10 towards the upper end of the sliding sleeve 7 and the sliding sleeve 7 along the two anti-slip clamping plates 9, the sliding sleeve 7 is pushed by the sliding sleeve 9 towards the outer sleeve 8, the two anti-slip clamping plates are kept away from each other in a tight contact process, and the sliding sleeve 8 is kept close to the sliding sleeve 9, and the sliding sleeve is kept close to the sliding sleeve 5 along the two anti-slip plate 5, and the sliding sleeve is kept close to the exhaust pipe 5, and the sliding sleeve is kept in a tight contact with the sliding sleeve 5, and the anti-slip sleeve is kept between the sliding sleeve and the anti-slip sleeve is kept by a sliding sleeve 5 and the sliding sleeve and the anti-slip device. And through the arrangement of the sealing rubber cushion 13, the gap between the exhaust pipe and the isolation plate 5 can be sealed, so that the entry of external air is avoided, after the automobile is started, the primary tail gas enters the main flow pipeline 19, the second electric control valve 24 is opened, the air pump 25 discharges the primary tail gas in the main flow pipeline 19, then the second electric control valve 24 and the air pump 25 are closed, the first electric control valve 21 of a single collection bottle 23 connected with the air is opened, the one-way valve 29 is jacked up along with the rising of the pressure in the main flow pipeline 19 and the shunt pipe 20, the tail gas is input into the collection bottle 23, the air pressure sensor 28 monitors the air pressure in the main flow pipeline 19 in real time, when the air pressure is monitored to exceed a rated value, the first electric control valve 21 is closed, the second electric control valve 24 and the air pump 25 are opened, the tail gas is stopped from being conveyed into the collection bottle 23, and the main flow pipeline 19 is decompressed, after the single sampling is completed, the automobile is flamed out, the second electric control valve 24 and the air pump 25 are closed, the device can automatically sample automobile exhaust, and can automatically remove the first section exhaust of the automobile, ensure the purity of the sampled sample, the side surface of the isolation plate 5 is provided with the sealing rubber pad 13, the isolation plate 5 is propped against the mouth of the exhaust pipe, the gap between the exhaust pipe and the isolation plate 5 can be sealed through the arrangement of the sealing rubber pad 13, thereby avoiding the entry of external air, one side of the scissor arm 10 is in sliding connection with the sliding block 14, the sliding block 14 is in sliding connection with the sliding rail 15, the scissor arm can rotate under the condition that the sliding rod 8 does not horizontally move through the arrangement of the sliding block 14 and the sliding rail 15, the sample retaining device 12 comprises a trolley carriage 16, a hose connector 17 is arranged on the trolley carriage 16, the hose connector 17 is connected with the electric three-way valve 18, two sides of the electric three-way valve 18 are connected with a main flow pipeline 19, a shunt pipe 20 is connected on the main flow pipeline 19, the bottom end of the shunt pipe 20 is connected with a first electric control valve 21, the bottom of the first electric control valve 21 is connected with a threaded connector 22, the bottom of the threaded connector 22 is connected with a collecting bottle 23, the other end of the main flow pipeline 19 is connected with a second electric control valve 24, the second electric control valve 24 is connected with an air pump 25, the electric three-way valve 18 is controlled to switch according to the main flow pipeline 19 where the collecting bottle 23 is positioned, the hose connector 17 and the main flow pipeline 19 are communicated through the electric three-way valve 18, when sampling is performed, after the automobile starts, the initial tail gas enters the main flow pipeline 19, the second electric control valve 24 is opened, simultaneously, the air pump 25 discharges the primary tail gas in the main flow pipeline 19, then the second electric control valve 24 and the air pump 25 are closed, the first electric control valve 21 of a single empty collecting bottle 23 is opened, the one-way valve 29 is jacked up along with the rising of the pressure in the main flow pipeline 19 and the shunt tube 20, the tail gas is input into the collecting bottle 23, the air pressure sensor 28 monitors the air pressure in the main flow pipeline 19 in real time, when the detected air pressure exceeds a rated value, the first electric control valve 21 is closed, the second electric control valve 24 and the air pump 25 are opened, the tail gas is stopped to be conveyed into the collecting bottle 23, the main flow pipeline 19 is decompressed, after the single sampling is completed, the automobile is flameout, the second electric control valve 24 and the air pump 25 are closed, the bottom of the carriage 16 of the cart is provided with the universal wheel 26, the top of the carriage 16 is provided with the armrest 27, the universal wheel 26 is used for the movement of the device, the device can be conveniently pushed to move through the armrest 27, the air pressure sensor 28 is arranged in the main flow pipeline 19, the air pressure sensor 28 is used for detecting the pressure in the main flow pipeline 19, the one-way valve 29 is arranged on the inner side of the top bottle opening of the collecting bottle 23, the air outlet 30 is arranged at the bottom of the collecting bottle 23, the bottle cap 31 is connected to the bottom of the air outlet 30, the one-way valve 29 is jacked up along with the rising of the pressure in the main flow pipeline 19 and the shunt tube 20, tail gas is input into the collecting bottle 23, the one-way valve 29 is automatically closed after the input is stopped, when sample gas is required to be taken out, the sample in the collecting bottle 23 can be discharged by opening the bottle cap 31, the sampling port is arranged on the side surface of the cart carriage 16, the sampling port is provided with the sampling door 32, and after all the collecting bottles 23 are subjected to sample collection, the sampling door 32 can be opened, and all the collecting bottles 23 can be taken down from the threaded connector 22.
The working principle and the using flow of the utility model are as follows: when the device is used, a user props up the shearing fork arm 10 by hands to drive the sliding rod 8 to slide outwards along the sliding sleeve 7, so that the upper rubber anti-slip clamping plate 9 and the lower rubber anti-slip clamping plate 9 are mutually far away, the metal shaping hose 6 is inserted into the automobile exhaust pipe by holding the handle 3 at the same time and is continuously pushed in until the isolation plate 5 is propped against the pipe orifice of the exhaust pipe, the shearing fork arm 10 is loosened, under the action of the resilience force of the spring 11, the shearing fork arm 10 is driven to reset, simultaneously the sliding rod 8 is driven to slide along the sliding sleeve 7 towards the direction close to the exhaust pipe, the upper rubber anti-slip clamping plate 9 and the lower rubber anti-slip clamping plate 9 are tightly contacted with the exhaust pipe through the spring 11, thus the fixing effect is realized, in the detection process, the gap between the exhaust pipe and the isolation plate 5 can be sealed through the arrangement of the sealing rubber pad 13, so that the entry of external air is avoided, the electric three-way valve 18 is controlled to switch according to the main flow pipeline 19 where the collecting bottle 23 is positioned, the hose connector 17 and one main flow pipeline 19 are communicated through the electric three-way valve 18, when sampling is carried out, after the automobile is started, the first section tail gas enters the main flow pipeline 19, the second electric control valve 24 is opened, the air pump 25 simultaneously discharges the first section tail gas in the main flow pipeline 19, then the second electric control valve 24 and the air pump 25 are closed, the first electric control valve 21 of the single collecting bottle 23 connected with the air pump is opened, the one-way valve 29 is propped open along with the rising of the pressure in the main flow pipeline 19 and the shunt pipe 20, the tail gas is input into the collecting bottle 23, the air pressure sensor 28 monitors the air pressure in the main flow pipeline 19 in real time, after the air pressure is detected to exceed the rated value, the first electric control valve 21 is closed, the second electric control valve 24 and the air pump 25 are opened, the tail gas is stopped from being conveyed into the collecting bottle 23, and carry out the pressure release to main flow pipeline 19, accomplish the single sampling back, put out the car, and close second automatically controlled valve 24 and air pump 25, prop open and cut fork arm 10 after, take off the overcoat shell together with metal design hose 6 from the vehicle vent-pipe and can wait for next sample work, after all collecting bottle 23 accomplish sample collection, can open sampling door 32, take off each collecting bottle 23 from threaded connection head 22 can, when taking out sample gas, open bottle lid 31 can discharge the sample in the collecting bottle 23, in sum, this device can carry out automatic automobile exhaust sample work, and can get rid of the first section tail gas of car voluntarily, guarantee the purity of the sample of taking out.
Claims (8)
1. An automobile exhaust sampling tool which is characterized in that: including inhaling pipe (1), it has cup jointed thermal-insulated protection bush (2) to inhale the outside of pipe (1), carrying handle (3) are installed at the top of thermal-insulated protection bush (2), the one end installation blast pipe fixing device of inhaling pipe (1), blast pipe fixing device includes overcoat shell (4), the internally mounted of overcoat shell (4) has division board (5), it is equipped with the air vent to run through on division board (5), metal design hose (6) are installed to the inboard of air vent, the top and the bottom of overcoat shell (4) all link up there is installing port and joint blast pipe clamping device, blast pipe clamping device is including installing at the inboard sliding sleeve (7) of installing port, sliding sleeve (7)'s inside slidable mounting has slide bar (8), slide bar (8) are located the inboard one end of overcoat shell (4) and are equipped with rubber antiskid grip block (9), the other end rotation of slide bar (8) is connected with scissors fork arm (10), install spring (11) on scissors fork arm (10), the other end of inhaling pipe (1) is through being connected with sample retaining device (12).
2. An automobile exhaust sampling tool according to claim 1, wherein: the side face of the isolation plate (5) is provided with a sealing rubber pad (13).
3. An automobile exhaust sampling tool according to claim 1, wherein: one side of the scissor arm (10) is in sliding connection with a sliding block (14), and the sliding block (14) is in sliding connection with a sliding rail (15).
4. An automobile exhaust sampling tool according to claim 1, wherein: sample retention device (12) are including shallow carriage (16), install hose connector (17) on shallow carriage (16), hose connector (17) are connected with electronic three-way valve (18), the both sides of electronic three-way valve (18) are connected with main flow through pipe (19), be connected with shunt tubes (20) on main flow through pipe (19), the bottom of shunt tubes (20) is connected with first automatically controlled valve (21), the bottom of first automatically controlled valve (21) is connected with screwed joint head (22), the bottom of screwed joint head (22) is connected with collecting bottle (23), the other end of main flow through pipe (19) is connected with second automatically controlled valve (24), second automatically controlled valve (24) are connected with air pump (25).
5. An automobile exhaust sampling tool according to claim 4, wherein: universal wheels (26) are arranged at the bottom of the trolley carriage (16), and armrests (27) are arranged at the top of the trolley carriage (16).
6. An automobile exhaust sampling tool according to claim 4, wherein: an air pressure sensor (28) is arranged in the main flow pipeline (19).
7. An automobile exhaust sampling tool according to claim 4, wherein: the inside check valve (29) that is equipped with of top bottleneck of collecting bottle (23), the bottom of collecting bottle (23) is equipped with gas vent (30), the bottom of gas vent (30) is connected with bottle lid (31).
8. An automobile exhaust sampling tool according to claim 4, wherein: the side of shallow carriage (16) is equipped with the sampling port, the inboard of sampling port is equipped with sampling door (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320874831.6U CN219830474U (en) | 2023-04-19 | 2023-04-19 | Automobile exhaust sampling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320874831.6U CN219830474U (en) | 2023-04-19 | 2023-04-19 | Automobile exhaust sampling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830474U true CN219830474U (en) | 2023-10-13 |
Family
ID=88284470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320874831.6U Active CN219830474U (en) | 2023-04-19 | 2023-04-19 | Automobile exhaust sampling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830474U (en) |
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2023
- 2023-04-19 CN CN202320874831.6U patent/CN219830474U/en active Active
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