CN219121819U - Sampling device for exhaust gas detection - Google Patents
Sampling device for exhaust gas detection Download PDFInfo
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- CN219121819U CN219121819U CN202223362036.3U CN202223362036U CN219121819U CN 219121819 U CN219121819 U CN 219121819U CN 202223362036 U CN202223362036 U CN 202223362036U CN 219121819 U CN219121819 U CN 219121819U
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Abstract
The utility model relates to the technical field of waste gas collection, wherein a movable plate is movably arranged in a plurality of movable grooves, sealing holes are formed in the inner side wall of the movable plate, strip-shaped sliding blocks are fixedly arranged on the two side walls of the movable plate, a first spring is fixedly arranged in the plurality of sealing holes, a sealing block is fixedly arranged at one end of the first spring, a gas cylinder is fixedly arranged on the plurality of movable plates, a movable push rod is fixedly arranged on one side wall of the second piston, a vent hole is fixedly arranged in a vent hole formed in the annular side wall of the gas cylinder, waste gas in a plurality of different sampling positions can be stored separately, collected waste gas can be completely discharged, the last residue of the sampled waste gas is avoided, and the accuracy of waste gas detection is improved.
Description
Technical Field
The utility model relates to the technical field of waste gas collection, in particular to a sampling device for waste gas detection.
Background
The waste gas is toxic and harmful gas exhausted by human in the production and living processes, especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries and the like, the exhausted waste gas has large smell, seriously pollutes the environment and affects the health of human bodies, in order to protect the environment and avoid the harmful substances in the waste gas from exceeding the standard, the waste gas needs to be sampled first and then detected, the existing waste gas sampling device is mostly provided with only one collecting cavity, the waste gas sampling storage at a plurality of different sampling positions is inconvenient to realize, and after the waste gas is exhausted, certain residues possibly exist in the waste gas sampling device to affect the next waste gas sampling, so that the waste gas detection sampling device is needed.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art, and provides a sampling device for detecting waste gas, which is reasonable in design and is used for solving the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the device comprises a collecting cylinder, a first piston and a first push rod, wherein a plurality of moving grooves are formed in the outer annular wall of the collecting cylinder in an equal-round-angle distribution mode, a first vent hole communicated with the inside of the collecting cylinder is formed in one side wall of each moving groove, the first piston is movably abutted to the inside of the collecting cylinder, the first push rod is fixedly arranged at the right end of the first piston, and the right end of the first push rod is located at the outer side of the collecting cylinder after passing through a through hole in the right side wall of the collecting cylinder;
it also comprises:
the movable plates are respectively and movably arranged in the plurality of movable grooves, sealing holes are formed in the inner side walls of the movable plates, strip-shaped sliding blocks are fixedly arranged on the two side walls of the movable plates, and the strip-shaped sliding blocks are slidably arranged in sliding grooves formed in the two side walls of the movable grooves;
the plurality of first springs are respectively and fixedly arranged in the plurality of sealing holes, one end of each first spring is fixedly provided with a sealing block, the outer end of each sealing block is movably abutted against the inner wall of the corresponding movable groove, and the sealing blocks are matched with the sealing holes;
the plurality of gas cylinders are fixedly arranged on the plurality of moving plates respectively, the gas cylinders are movably abutted against the moving grooves, a second vent hole communicated with the first vent hole is formed in one side wall of each gas cylinder, and a limiting sealing mechanism is fixedly arranged on the right side of each gas cylinder;
the piston II is arranged in a plurality of gas cylinders in a movable abutting mode respectively, a push rod II is fixedly arranged on one side wall of the piston II, the outer end of the push rod II penetrates through a through hole in one side wall of the gas cylinder and then is positioned on the outer side of the gas cylinder, and an exhaust hole in the annular side wall of the gas cylinder is fixedly provided with an exhaust valve.
Preferably, the limit sealing mechanisms each comprise:
the movable rod is fixedly arranged on the right side of the gas cylinder, the movable rod is movably arranged in a slot formed in the right side wall of the movable slot in a penetrating manner, limit slots are formed in the left side and the right side of the inner wall of the slot, and a second spring is fixedly arranged in the movable slot formed in the movable rod;
the limiting block is fixedly arranged at one end of the second spring, the outer end of the limiting block is exposed out of the movable groove and is arranged in the left limiting groove in a propping mode, and the limiting block is matched with the right limiting groove;
the sealing ring is fixedly arranged in an annular groove formed in the outer side wall of the gas cylinder, the annular groove is positioned at the outer side of the second vent hole, and one side wall of the sealing ring is movably abutted to the inner bottom wall of the moving groove.
Preferably, a reinforcing plate is fixedly arranged on the left side of the gas cylinder, and one side wall of the reinforcing plate is fixedly connected with the movable plate.
Preferably, the first vent hole is internally fixedly provided with a filter plate.
Preferably, rubber sleeves are fixedly sleeved on the right side positions of the movable grooves on the outer annular wall of the collecting cylinder.
Preferably, a sealing plug is arranged in the air inlet hole formed in the left side wall of the collecting cylinder in a propping manner.
Compared with the prior art, the utility model has the beneficial effects that: the sampling device for waste gas detection can separate and store waste gas at a plurality of different sampling positions, can completely discharge the collected waste gas, avoids the residual of the last sampled waste gas left in the waste gas sampling device, and improves the accuracy of waste gas detection.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view taken along A-A in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
Fig. 4 is an enlarged view of a portion C in fig. 2.
Fig. 5 is an enlarged view of a portion D in fig. 4.
FIG. 6 is an exploded view of the parts of the collector cylinder, the moving plate and the bar-shaped slide of the present utility model.
Reference numerals illustrate:
the device comprises a collecting cylinder 1, a first piston 2, a first push rod 3, a first vent hole 4, a moving plate 5, a moving groove 6, a strip-shaped sliding block 7, a first spring 8, a sealing hole 9, a sealing block 10, a gas cylinder 11, a second vent hole 12, a limiting sealing mechanism 13, a movable rod 13-1, a second spring 13-2, a limiting block 13-3, a sealing ring 13-4, a second piston 14, a second push rod 15, an exhaust valve 16, a reinforcing plate 17, a rubber sleeve 18, a sealing plug 19 and a filter plate 20.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
Embodiment one:
as shown in fig. 1 to 6, the present embodiment adopts the following technical scheme: the novel portable air suction device comprises a collecting cylinder 1, a first piston 2 and a first push rod 3, wherein a plurality of moving grooves 6 are distributed on the outer annular wall of the collecting cylinder 1 in an equal round angle manner, a first vent hole 4 communicated with the inside of the collecting cylinder 1 is formed in one side wall of the moving grooves 6, the first piston 2 is movably arranged in the collecting cylinder 1 in a collision manner, the first push rod 3 is fixedly arranged at the right end of the first piston 2, the right end of the first push rod 3 passes through a through hole in the right side wall of the collecting cylinder 1 and then is positioned at the outer side of the collecting cylinder 1, rubber sleeves 18 are fixedly sleeved on the outer annular wall of the collecting cylinder 1 at the right side position of the moving grooves 6, the rubber sleeves 18 not only have certain flexibility, the comfort in holding by hands is improved, but also the phenomenon of hand sliding can be avoided through the production of large friction force with hands, and sundries such as dust can be prevented from entering the collecting cylinder 1 through the sealing of the sealing plug 19 when a sampling device is idle;
it also comprises:
the plurality of the movable plates 5 are respectively and movably arranged in the plurality of the movable grooves 6, sealing holes 9 are formed in the inner side walls of the movable plates 5, strip-shaped sliding blocks 7 are fixedly welded on the two side walls of the movable plates 5, the strip-shaped sliding blocks 7 are slidably arranged in sliding grooves formed in the two side walls of the movable grooves 6, and the movable plates 5 can be limited in the movable grooves 6 through the strip-shaped sliding blocks 7 and can also provide guidance for the movement of the movable plates 5;
the plurality of first springs 8 are respectively welded and fixedly arranged in the plurality of sealing holes 9, one end of each first spring 8 is welded and fixedly provided with a sealing block 10, the outer end of each sealing block 10 is movably abutted against the inner wall of the corresponding movable groove 6, and the sealing blocks 10 are matched with the sealing holes 9;
the multiple gas cylinders 11 are respectively welded and fixed on the multiple moving plates 5, waste gases at multiple different sampling positions can be stored separately through the multiple gas cylinders 11, the waste gases at multiple different positions collected by the sampling device are not required to be stored, the diversity of waste gas samples is increased, the left side of the gas cylinder 11 is fixedly provided with the reinforcing plate 17, one side wall of the reinforcing plate 17 is welded and fixed with the moving plates 5, the reinforcing plate 17 can increase the connection structural strength between the gas cylinder 11 and the moving plates 5, the gas cylinder 11 is movably abutted to be arranged in the moving groove 6, the second vent holes 12 communicated with the first vent holes 4 are formed in one side wall of the gas cylinder 11, and the limit sealing mechanism 13 is fixedly arranged on the right side of the multiple gas cylinders 11;
the piston No. two 14, no. two pistons 14 are the several, the activity is contradicted respectively and is set up in the gas cylinder 11 of several, fixedly on the lateral wall of piston No. two 14 is provided with No. two push rods 15, be located the outside of gas cylinder 11 after the outer end of No. two push rods 15 passes the through-hole on a gas cylinder 11 lateral wall, the exhaust hole internal fixation who sets up on the ring lateral wall of gas cylinder 11 is provided with discharge valve 16, no. one vent 4 internal fixation is provided with filter 20, when the waste gas in the gas cylinder 1 is stored in the gas cylinder 11, accessible filter 20 filters, avoid large-scale solid impurity to get into in the gas cylinder 11 and cause the jam when discharge valve 16 exhausts.
Embodiment two:
as shown in fig. 1 and fig. 3 to fig. 5, this embodiment is an improvement on the basis of the first embodiment, and the limiting and sealing mechanism 13 includes:
the movable rod 13-1 is fixedly arranged on the right side of the gas cylinder 11 by welding, the movable rod 13-1 is movably arranged in a slot formed in the right side wall of the movable slot 6 in a penetrating manner, limit slots are formed in the left side and the right side of the inner wall of the slot, and a second spring 13-2 is fixedly arranged in the movable slot formed in the movable rod 13-1 by welding;
the limiting block 13-3 is fixedly arranged at one end of the second spring 13-2, the outer end of the limiting block 13-3 is exposed out of the movable groove and then is arranged in the left limiting groove in a collision mode, and the limiting block 13-3 is matched with the right limiting groove;
the sealing ring 13-4 is fixedly arranged in an annular groove formed in the outer side wall of the gas cylinder 11 in an adhering mode, the annular groove is located at the outer side of the second vent hole 12, one side wall of the sealing ring 13-4 is movably abutted to the inner bottom wall of the moving groove 6, and the sealing ring 13-4 can increase the sealing performance between the gas cylinder 11 and the moving groove 6.
When the utility model is used, the sealing plug 19 is pulled out of the air inlet hole formed on the left side wall of the collecting cylinder 1, then the rubber sleeve 18 is held by one hand, the push rod 3 is pushed to the left side by the other hand, the push rod 3 drives the piston 2 to move to the right side in the collecting cylinder 1, the piston 2 is abutted against the left side inner wall of the collecting cylinder 1, then the air inlet hole is aligned with waste gas at a required sampling position, the push rod 3 is pulled to the left side, the piston 2 is driven to move to the right side in the collecting cylinder 1 by the push rod 3, the waste gas is led into the air cylinder 11 by using atmospheric pressure, the push rod 3 is released, the push rod 15 is pulled to the outside and the fixed piston 14 is driven to move, the waste gas in the air cylinder 11 is sucked into the corresponding air cylinder 11 through the vent 4 and the vent 12, then the gas cylinder 11 is pushed to the right, the gas cylinder 11 drives the movable plate 5 and the movable rod 13-1 to move to the right, the movable plate 5 drives the strip-shaped sliding block 7 to synchronously move in the sliding groove when moving in the movable groove 6, so as to realize the guiding in the moving process of the movable plate 5, meanwhile, when the movable rod 13-1 moves to the right in the slot, the limiting block 13-3 can be separated from the left limiting groove to move into the movable groove and compress the second spring 13-2, when the gas cylinder 11 moves to the rightmost side, the sealing block 10 is driven to the first vent hole 4 through the movement of the movable plate 5, at the moment, the first spring 8 resets to push the sealing block 10, so that the convex end of the sealing block 10 is pushed out of the movable groove to block the first vent hole 4 for sealing, and meanwhile, the limiting block 13-3 is also driven to the right limiting groove through the movement of the movable rod 13-1, at this time, the second spring 13-2 resets to push the limiting block 13-3, so that the limiting block 13-3 contacts with the limiting groove on the right side, the position of the gas cylinder 11 after moving is fixed, then the operation can be repeated according to the operation, the waste gas at different sampling positions can be sampled, collected and stored respectively, when the waste gas in the gas cylinder 11 needs to be taken out for detection, the exhaust valve 16 can be opened, the second push rod 15 is pushed inwards, the second push rod 15 completely discharges the waste gas of the gas cylinder 11 from the exhaust valve 16 through the second piston 14, and the influence of the residual waste gas in the gas cylinder 11 on the next waste gas sampling detection is avoided.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. through the cooperation of the collecting cylinder 1, the first piston 2, the first push rod 3, the moving plate 5, the gas cylinder 11, the second piston 14 and the second push rod 15, not only can the waste gases at a plurality of different sampling positions be stored separately, but also the collected waste gases can be completely discharged, the last residue of the sampled waste gases is avoided in the waste gas sampling device, and the accuracy of waste gas detection is improved;
2. when the sampling device is idle, sundries such as dust and the like can be prevented from entering the collecting cylinder 1 through the sealing of the sealing plug 19.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A sampling device for waste gas detection comprises a collecting cylinder (1), a first piston (2) and a first push rod (3), wherein a plurality of moving grooves (6) are distributed on the outer annular wall of the collecting cylinder (1) in equal round angles, a first vent hole (4) communicated with the inside of the collecting cylinder (1) is formed in one side wall of the moving groove (6), the first piston (2) is movably abutted to the inside of the collecting cylinder (1), the first push rod (3) is fixedly arranged at the right end of the first piston (2), and the right end of the first push rod (3) passes through a through hole in the right side wall of the collecting cylinder (1) and then is positioned at the outer side of the collecting cylinder (1);
the method is characterized in that: it also comprises:
the movable plates (5) are respectively and movably arranged in the plurality of movable grooves (6), sealing holes (9) are formed in the inner side walls of the movable plates (5), strip-shaped sliding blocks (7) are fixedly arranged on the two side walls of the movable plates (5), and the strip-shaped sliding blocks (7) are arranged in sliding grooves formed in the two side walls of the movable grooves (6) in a sliding mode;
the number one springs (8) are respectively and fixedly arranged in the sealing holes (9), one end of each number one spring (8) is fixedly provided with a sealing block (10), the outer end of each sealing block (10) is movably abutted against the inner wall of the corresponding movable groove (6), and the sealing blocks (10) are matched with the sealing holes (9);
the gas cylinders (11) are respectively and fixedly arranged on the plurality of moving plates (5), the gas cylinders (11) are movably and oppositely arranged in the moving grooves (6), a second vent hole (12) communicated with the first vent hole (4) is formed in one side wall of the gas cylinders (11), and a limiting and sealing mechanism (13) is fixedly arranged on the right side of the plurality of gas cylinders (11);
the piston (14) is number two, piston (14) are the several, and the activity is contradicted respectively and is set up in several gas cylinder (11), and fixed No. two push rods (15) that are provided with on the lateral wall of piston (14) are No. two, are located the outside of gas cylinder (11) after the outer end of push rod (15) passes through the through-hole on a lateral wall of gas cylinder (11), and the exhaust hole internal fixation who sets up on the ring lateral wall of gas cylinder (11) is provided with discharge valve (16).
2. The exhaust gas detection sampling device according to claim 1, wherein: the limiting and sealing mechanisms (13) all comprise:
the movable rod (13-1) is fixedly arranged on the right side of the gas cylinder (11), the movable rod (13-1) is movably arranged in a slot formed in the right side wall of the movable slot (6) in a penetrating manner, limit slots are formed in the left side and the right side of the inner wall of the slot, and a second spring (13-2) is fixedly arranged in the movable slot formed in the movable rod (13-1);
the limiting block (13-3) is fixedly arranged at one end of the second spring (13-2), the outer end of the limiting block (13-3) is exposed out of the movable groove and then is arranged in the left limiting groove in a collision mode, and the limiting block (13-3) is matched with the right limiting groove;
the sealing ring (13-4), sealing ring (13-4) is fixed to be set up in the ring channel of seting up on gas cylinder (11) lateral wall, and the ring channel is located the outside of No. two air vent (12), and one lateral wall of sealing ring (13-4) is inconsistent the setting with the interior bottom wall of removal groove (6) activity.
3. The exhaust gas detection sampling device according to claim 1, wherein: the left side of the gas cylinder (11) is fixedly provided with a reinforcing plate (17), and one side wall of the reinforcing plate (17) is fixedly connected with the movable plate (5).
4. The exhaust gas detection sampling device according to claim 1, wherein: the first vent hole (4) is internally and fixedly provided with a filter plate (20).
5. The exhaust gas detection sampling device according to claim 1, wherein: rubber sleeves (18) are fixedly sleeved on the right side positions of the movable grooves (6) on the outer annular wall of the collecting cylinder (1).
6. The exhaust gas detection sampling device according to claim 1, wherein: a sealing plug (19) is arranged in the air inlet arranged on the left side wall of the collecting cylinder (1) in a propping way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223362036.3U CN219121819U (en) | 2022-12-13 | 2022-12-13 | Sampling device for exhaust gas detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223362036.3U CN219121819U (en) | 2022-12-13 | 2022-12-13 | Sampling device for exhaust gas detection |
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| Publication Number | Publication Date |
|---|---|
| CN219121819U true CN219121819U (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223362036.3U Active CN219121819U (en) | 2022-12-13 | 2022-12-13 | Sampling device for exhaust gas detection |
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| CN (1) | CN219121819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117455708A (en) * | 2023-12-22 | 2024-01-26 | 山西亚鑫新能科技有限公司 | Intelligent treatment system for unorganized emission |
-
2022
- 2022-12-13 CN CN202223362036.3U patent/CN219121819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117455708A (en) * | 2023-12-22 | 2024-01-26 | 山西亚鑫新能科技有限公司 | Intelligent treatment system for unorganized emission |
| CN117455708B (en) * | 2023-12-22 | 2024-03-01 | 山西亚鑫新能科技有限公司 | Intelligent treatment system for unorganized emission |
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