CN218330806U - Compressed air composition detects sampling device - Google Patents
Compressed air composition detects sampling device Download PDFInfo
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- CN218330806U CN218330806U CN202222383694.4U CN202222383694U CN218330806U CN 218330806 U CN218330806 U CN 218330806U CN 202222383694 U CN202222383694 U CN 202222383694U CN 218330806 U CN218330806 U CN 218330806U
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- air
- compressed air
- sliding rod
- sampling device
- storage cavity
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Abstract
The utility model discloses a compressed air component detecting and sampling device in the technical field of gas sampling and collecting devices, which comprises a collecting bin; an air inlet; an air outlet; a partition plate; a storage chamber; the baffle plate is provided with a through hole type communication hole which is communicated with the storage cavity and the inside of the buffer cavity; check valve subassembly, a connected state for control storage chamber and cushion chamber, compressed air is stored in getting into the storage chamber by the air inlet, when collecting compressed air, after closing the air inlet, make the gas outlet be connected with outside air detector again, check valve subassembly starts simultaneously, make the air of storing the intracavity can get into the cushion chamber by the intercommunicating pore, under the unchangeable prerequisite of molecular weight, through changing the volume, make the air diluted, make atmospheric pressure reduce, air after the decompression like this is got into behind the air detector by the gas outlet, can not cause the impact to the inside valve body of air detector, and avoid the influence to examination precision.
Description
Technical Field
The utility model relates to a gas sampling collection device technical field specifically is a compressed air composition detects sampling device.
Background
The gas sampler is used for collecting gas, and supply the check out test set to carry out the composition and detect, at present when carrying out the composition to gas and examining, mainly examine and determine through air detector, the built-in aspiration pump of air detector, can through the pipeline extraction gas, but the atmospheric pressure of the gas of extracting usually can not be greater than 1 atmospheric pressure, and the inside valve body of air detector also does not set up the decompression mechanism, like this when needs sample compressed air (or atmospheric pressure is greater than 1 standard atmospheric pressure gas), compressed air can directly get into the valve body of air detector, and then probably exert an influence to valve body internal component, also probably exert an influence to the result of examining in addition, consequently need one kind can carry out the sampling collection device that reduces pressure to the compressed air that gets into the inside air detector, avoid atmospheric pressure too big and influence the normal work of air detector.
In order to solve the above problems, we propose a compressed air component detection sampling device.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome prior art's defect, a compressed air composition detects sampling device is provided, in order to solve the technical problem who mentions in the above-mentioned background art, the utility model provides a following technical scheme:
the utility model provides a compressed air composition detects sampling device, include:
the device comprises a collection bin with a sealed interior, wherein an air inlet and an air outlet are respectively arranged at two ends of the collection bin;
the collecting bin is fixedly connected with the bottom of the storage chamber, and the collecting bin is sequentially divided into the storage chamber and the buffer chamber by the partition board;
and the one-way valve assembly is used for controlling the communication state of the storage cavity and the buffer cavity.
In the above-described compressed air component detection sampling apparatus, the check valve assembly includes:
the sliding rod vertically penetrates through the partition plate and can freely slide, and two ends of the sliding rod are respectively positioned in the storage cavity and the buffer cavity;
the sealing cover plate is fixedly connected to one end, corresponding to the storage cavity, of the sliding rod, and the orthographic projection area of the sealing cover plate can cover the communication hole;
and the driving unit is used for driving the sliding rod to move towards the inner direction of the storage cavity, so that the storage cavity is communicated with the buffer cavity.
In the compressed air component detecting and sampling apparatus as described above, the driving unit includes:
the floating ring is sleeved on the other end of the sliding rod;
the spring is sleeved on the sliding rod, and two ends of the spring in the elastic direction respectively elastically abut against the floating ring and the partition plate;
the roller is rotatably connected to one end of the sliding rod, which corresponds to the buffer cavity;
the moving block is arranged in the buffer cavity, a wedge block is arranged on one surface of the moving block, which faces the roller, and the roller can roll on the upper surface of the moving block and the inclined surface of the wedge block;
and the linear driving element is used for driving the moving block to move horizontally.
In the above compressed air component detecting and sampling device, an annular sealing gasket is disposed on one surface of the sealing cover plate facing the partition plate.
In the above compressed air component detecting and sampling device, the air inlet and the air outlet are respectively provided with a manual valve.
Compared with the prior art, the beneficial effects of the utility model are that: compressed air is stored in getting into the storage chamber by the air inlet, when collecting compressed air, close the air inlet after, make the gas outlet be connected with outside air detector again, check valve subassembly starts simultaneously, make the air of storing the intracavity can get into the cushion chamber by the intercommunicating pore, under the unchangeable prerequisite of molecular weight, through changing the volume, make the air diluted, make atmospheric pressure reduce, air after the decompression like this gets into behind the air detector by the gas outlet, can not cause the impact to the inside valve body of air detector, and avoid the influence to examination precision.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.
In the figure: 1-air inlet, 2-manual valve, 3-collection bin, 4-storage chamber, 5-partition plate, 6-buffer chamber, 7-spring, 8-connecting rod, 9-air cylinder, 10-air outlet, 11-sealing cover plate, 12-sealing gasket, 13-communicating hole, 14-positioning sleeve, 15-sliding rod, 16-floating ring, 17-wedge block, 18-roller and 19-moving block.
Detailed Description
The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Examples
As shown in fig. 1-3, the present embodiment provides a technical solution: a compressed air component detection sampling device comprises a collection bin 3 with an inner part being sealed, wherein an air inlet 1 and an air outlet 10 are respectively welded on the end faces of two axial ends of the collection bin 3, wherein the air inlet 1 is connected with an air storage tank for storing compressed air outside through a pipeline, so that the compressed air in the air storage tank can enter the collection bin 3 from the air inlet 1, in addition, the air outlet 10 is also connected with an external air detector (or other equipment for detecting gas components) through a pipeline, a partition plate 5 is welded in the collection bin 3, the interior of the collection bin 3 is sequentially divided into a storage cavity 4 and a buffer cavity 6 from top to bottom through the partition plate 5, the air inlet 1 is communicated with the storage cavity 4, the air outlet 10 is communicated with the buffer cavity 6, and in addition, two communication holes 13 are symmetrically formed in the partition plate 5 along the central line of the partition plate 5;
a sliding rod 15 vertically penetrates through the partition plate 5, the sliding rod 15 is coaxial with the central line of the partition plate 5, two ends of the sliding rod 15 are respectively positioned in the storage cavity 4 and the buffer cavity 6, the sliding rod 15 is positioned between the two communication holes 13, the upper end of the sliding rod 15 is fixedly connected with a sealing cover plate 11, and the orthographic projection area of the sealing cover plate 11 covers the two communication holes 13, so that when the sliding rod 15 moves downwards, the sealing cover plate 11 can seal the opening part of the communication holes 13, so that the storage cavity 4 is not communicated with the buffer cavity 6, in the foregoing way, compressed air in an external air storage tank enters the storage cavity 4 from the air inlet 1 for storage, until the air pressure in the storage cavity 4 is consistent with the air pressure in the air storage tank, the air inlet can be closed at the moment, further, a pressure gauge is arranged on the outer wall of the collection bin 3 and used for detecting the change of the air pressure in the storage cavity 4, when the air pressure is not changed, the gas in the storage cavity is stored to the proper position, and then the air inlet is closed;
the lower end (the end penetrating into the buffer chamber 6) of the sliding rod 15 is rotatably connected with a roller 18, the outer wall of the collection chamber 3 is horizontally provided with a cylinder 9 through a bracket, the cylinder rod of the cylinder 9 is welded with a connecting rod 8 coaxial with the cylinder rod, the connecting rod 8 penetrates into the collection chamber 3 and can freely slide, the collection chamber 3 is internally provided with a projecting part, the projecting part is internally provided with a mounting groove, a movable sealing ring is arranged in the mounting groove, the connecting rod 8 penetrates into the movable sealing ring, thus the joint of the connecting rod 8 and the collection chamber has a sealing effect, one end of the connecting rod 8 penetrating into the collection chamber is connected with a moving block 19 through screw threads, the upper surface of the moving block 19 is in rolling contact with the roller 18, in addition, one side of the upper surface of the moving block 19, which is close to the cylinder 9, is provided with a wedge block 17, the inclined plane of the wedge block 17 faces the roller 18, so that when the cylinder rod of the cylinder extends, the roller 18 can be driven to roll onto the inclined plane of the wedge block 17 from the upper surface of the moving block 19, and the sliding rod 15 can be driven to move upwards, so that the sealing cover plate 11 is separated from the state of being abutted to the surface of the partition plate, at the moment, gas in the storage cavity 4 enters the buffer cavity from the communication hole 13, the molecular weight in the compressed air is unchanged, the volume of the compressed air is increased, the air pressure of the compressed air is reduced accordingly, the air pressure of the gas entering the external air detector is reduced, the influence on the detection precision can be avoided, and the possible impact influence on the internal valve body of the air detector can be avoided;
in order to maintain the sealing state between the sealing cover plate and the partition plate in the next use, in this embodiment, the lower end of the sliding rod is sleeved with the floating ring 16, the sliding rod 15 is sleeved with the spring 7, and two ends of the spring 7 in the elastic direction elastically abut against the partition plate 5 and the floating ring respectively, so that when the sliding rod moves upwards, the floating ring 16 compresses the spring, after the gas collection is completed, the cylinder rod of the cylinder is shortened, the roller rolls from the inclined plane of the wedge block to the upper surface of the moving block, at the moment, the spring abuts against the elastic force of the floating ring, the sliding rod can move downwards and quickly, and the sealing cover plate can abut against the surface of the partition plate to seal the communication hole, in addition, in order to ensure that the sliding rod cannot swing radially, a positioning sleeve 14 can be welded on the lower surface of the partition plate, the sliding rod 15 is arranged in the positioning sleeve 14 in a penetrating manner and can slide freely, and the sliding rod can be reinforced by the positioning sleeve 14;
in order to improve the sealing performance between the sealing cover plate and the surface of the partition plate, an annular sealing gasket 12 can be adhered to the surface of the sealing cover plate, so that the sealing degree between the sealing cover plate and the partition plate can be enhanced through the sealing gasket 12, and the gas leakage is reduced;
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A compressed air component detection sampling device, characterized by comprising:
the device comprises a collection bin (3) with a sealed interior, wherein an air inlet (1) and an air outlet (10) are respectively arranged at two ends of the collection bin (3);
the partition plate (5) is fixedly connected in the collection bin (3) and divides the collection bin (3) into a storage cavity (4) and a buffer cavity (6) in sequence, a communication hole (13) in a through hole form is formed in the partition plate (5), and the communication hole (13) is communicated with the interiors of the storage cavity (4) and the buffer cavity (6);
and the one-way valve assembly is used for controlling the communication state of the storage cavity (4) and the buffer cavity (6).
2. A compressed air component-detecting sampling device in accordance with claim 1, wherein said one-way valve assembly comprises:
the sliding rod (15) vertically penetrates through the partition plate (5) and can freely slide, and two ends of the sliding rod (15) are respectively positioned in the storage cavity (4) and the buffer cavity (6);
the sealing cover plate (11) is fixedly connected to one end, corresponding to the storage cavity (4), of the sliding rod (15), and the orthographic projection area of the sealing cover plate can cover the communication hole (13);
the driving unit is used for driving the sliding rod (15) to move towards the inner direction of the storage cavity (4), so that the storage cavity (4) and the buffer cavity (6) are communicated.
3. The compressed air component detecting and sampling device according to claim 2, wherein the driving unit includes:
the floating ring (16) is sleeved on the other end of the sliding rod (15);
the spring (7) is sleeved on the sliding rod (15) and two ends of the spring in the elastic direction elastically abut against the floating ring (16) and the partition plate (5) respectively;
the roller (18) is rotatably connected to one end of the sliding rod (15) corresponding to the buffer cavity (6);
the moving block (19) is arranged in the buffer cavity (6), a wedge block (17) is arranged on one surface of the moving block facing the roller (18), and the roller (18) can roll on the upper surface of the moving block (19) and the inclined surface of the wedge block (17);
a linear driving element for driving the moving block (19) to move horizontally.
4. A compressed air component detecting and sampling device according to claim 2, characterized in that the side of the sealing cover plate (11) facing the partition plate (5) is provided with an annular sealing gasket (12).
5. A compressed air component detecting and sampling device according to claim 1, wherein the air inlet (1) and the air outlet (10) are respectively provided with a manual valve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222383694.4U CN218330806U (en) | 2022-09-08 | 2022-09-08 | Compressed air composition detects sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222383694.4U CN218330806U (en) | 2022-09-08 | 2022-09-08 | Compressed air composition detects sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218330806U true CN218330806U (en) | 2023-01-17 |
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ID=84834190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222383694.4U Active CN218330806U (en) | 2022-09-08 | 2022-09-08 | Compressed air composition detects sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218330806U (en) |
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2022
- 2022-09-08 CN CN202222383694.4U patent/CN218330806U/en active Active
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