CN212379117U - Gas sampling probe capable of back flushing - Google Patents
Gas sampling probe capable of back flushing Download PDFInfo
- Publication number
- CN212379117U CN212379117U CN202020596497.9U CN202020596497U CN212379117U CN 212379117 U CN212379117 U CN 212379117U CN 202020596497 U CN202020596497 U CN 202020596497U CN 212379117 U CN212379117 U CN 212379117U
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- Prior art keywords
- pipe
- filter
- probe
- cartridge
- blowback
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Abstract
The utility model relates to the technical field of gas sampling, in particular to a blowback gas sampling probe, which comprises a probe pipe, an air inlet pipe, a blowback gas pipe and a filter cartridge, wherein the inside of the probe pipe is provided with a filter cavity, and the filter cartridge is arranged in the filter cavity; the air inlet pipe and the back-blowing air pipe are respectively connected to two ends of the filter cartridge and respectively penetrate through two ends of the probe pipe; one end of the probe tube is provided with a sealing plate, and the other end of the probe tube is provided with an opening; an end cover is arranged at one end of the opening of the probe pipe, and the blowback pipe penetrates out of the end cover; the filter cartridge is filled with a filter element, and the wall of the filter cartridge is provided with an air vent; the side surface of the probe tube is provided with an exhaust pipe, the wall of the filter cavity is provided with a sealing ring, and the inner wall of the sealing ring is mutually attached to the outer wall of the filter cartridge; the utility model discloses can realize the blowback function of probe, clear up the cartridge filter core through the blowback, avoid debris to block up the filter core, influence the filter effect; the device has simple structure and good dust cleaning effect.
Description
Technical Field
The utility model relates to a gaseous sampling technical field specifically is a but blowback gas sampling probe.
Background
The gas sampling probe is applied to air detection, detects air, supervises components in the air, finds pollution conditions and treats the pollution conditions.
Most of the existing gas sampling probes are provided with a filtering structure to filter air in advance, so that the influence of impurities in air analysis equipment on the normal operation of the equipment is avoided; and after the filtering structure is used for a long time, the dust in the filtering structure is accumulated and condensed, so that the normal use of the filter element is influenced, the filtering effect is low, and the inconvenience is brought to the use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but blowback gas sampling probe to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a blowback gas sampling probe comprises a probe pipe, an air inlet pipe, a blowback gas pipe and a filter cartridge, wherein a filter cavity is arranged in the probe pipe, and the filter cartridge is arranged in the filter cavity; the air inlet pipe and the back-blowing air pipe are respectively connected to two ends of the filter cartridge and respectively penetrate through two ends of the probe pipe; one end of the probe tube is provided with a sealing plate, and the other end of the probe tube is provided with an opening; an end cover is arranged at one end of the opening of the probe pipe, and the blowback pipe penetrates out of the end cover; the filter cartridge is filled with a filter element, and the wall of the filter cartridge is provided with an air vent; the side of the probe tube is provided with an exhaust pipe, the wall of the filter cavity is provided with a sealing ring, and the inner wall of the sealing ring is attached to the outer wall of the filter cartridge.
Preferably, the end face of the sealing ring is attached to the closing plate, the sum of the length of the sealing ring and the length of the filter cylinder is greater than the length of the probe tube, and the length of the sealing ring is greater than the length of the filter cylinder; the exhaust pipe and the sealing ring are staggered.
Preferably, a fixed block is arranged on the outer side of the probe tube, the fixed block and the sealing plate are parallel and level to each other, and a fixed hole is formed in the fixed block.
Preferably, the cartridge filter both ends are provided with the connector respectively, intake pipe, blowback trachea respectively with connector fixed connection, the bleeder vent evenly is provided with a plurality ofly along the cartridge filter side.
Preferably, the end cover is fixedly installed with the probe tube through threads, through holes are formed in the end cover and the sealing plate respectively, the air inlet pipe and the back-blowing pipe penetrate out of the corresponding through holes, and sealing strips are arranged between the air inlet pipe and the through holes.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can realize the blowback function of probe, clear up the cartridge filter core through the blowback, avoid debris, avoid blockking up the filter core, influence the filter effect; the device has simple integral structure, convenient use and low integral cost, and is suitable for batch purchase and use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
reference numbers in the figures: 1. a probe tube; 11. a filter chamber; 12. a closing plate; 13. a fixed block; 14. an exhaust pipe; 15. a seal ring; 2. an air inlet pipe; 3. a blowback gas pipe; 4. a filter cartridge; 41. a filter element; 42. air holes are formed; 43. a connector; 5. and (4) end covers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, the present invention provides a technical solution: a blowback gas sampling probe comprises a probe tube 1, an air inlet pipe 2, a blowback gas pipe 3 and a filter cartridge 4, wherein a filter cavity 11 is arranged in the probe tube 1, and the filter cartridge 4 is arranged in the filter cavity 11; the air inlet pipe 2 and the back-blowing air pipe 3 are respectively connected to two ends of the filter cartridge 4, and two ends of the probe pipe 1 respectively penetrate out; one end of the probe tube 1 is provided with a closed plate 12, and the other end of the probe tube is provided with an opening; an end cover 5 is arranged at one end of the opening of the probe tube 1, and the blowback gas tube 3 penetrates out of the end cover 5; the filter cartridge 4 is internally filled with a filter element 41, and the wall of the filter cartridge 4 is provided with an air vent 42; the probe pipe 1 side is provided with blast pipe 14, is provided with sealing ring 15 in the wall of filter chamber 11 chamber, sealing ring 15 inner wall and cartridge filter 4 outer wall laminate each other.
Further, the end face of the sealing ring 15 is attached to the closing plate 12, the sum of the length of the sealing ring 15 and the length of the filter cartridge 4 is greater than the length of the probe tube 1, and the length of the sealing ring 15 is greater than the length of the filter cartridge 4; the exhaust pipe 14 and the sealing ring 15 are offset from each other.
Further, a fixing block 13 is arranged on the outer side of the probe tube 1, the fixing block 13 is flush with the closing plate 12, and a fixing hole is formed in the fixing block 13.
Further, the filter cartridge 4 both ends are provided with connector 43 respectively, intake pipe 2, blowback trachea 3 respectively with connector 43 fixed connection, bleeder vent 42 evenly is provided with a plurality ofly along the filter cartridge 4 side.
Further, the end cover 5 is fixedly installed with the probe tube 1 through threads, through holes are respectively formed in the end cover 5 and the closing plate 12, the air inlet pipe 2 and the back blowing pipe 3 penetrate out of the corresponding through holes, and sealing strips are arranged between the air inlet pipe and the through holes.
The working principle is as follows: in actual use, the probe has two states of use, which are described below.
One is the normal work of air inlet and outlet, the air enters from the air inlet pipe 2, enters the filter cylinder 4 through the connecting head 43 connected with the air inlet pipe 2, and is discharged from the air holes 42 on the side surface under the filtration of the filter element 41; air enters the filter chamber 11 and is finally discharged through the single outlet exhaust duct 14; in this process, the blowback pipe 3 is kept sealed while the seal ring 15 and the filter cartridge 4 are staggered from each other, so that the breather hole 42 is exposed.
The second is the back blowing work, the gas enters from the back blowing pipe 3 and enters into the filter cartridge 4 through the connector 43 connected with the back blowing pipe 3; at the moment, the filter cartridge 4 is kept in the sealing ring 15, the air hole 42 is sealed, and the air can be discharged only from the air inlet pipe 2 at the other end; in the process of back flushing, the filter element 41 is cleaned through airflow, dust and impurities are separated, and the dust and impurities are blown out from the air inlet pipe 2 by air, so that the purpose of cleaning is achieved.
The filter cartridge 4 is arranged in the filter cavity 11 and can move freely; and through the length relation who sets up sealing ring 15 and cartridge filter 4 for sealing ring 15 can not break away from with cartridge filter 4, and cartridge filter 4 can be received completely in sealing ring 15 simultaneously, and then guarantees the result of use.
The air inlet pipe 2 and the blowback pipe 3 are externally sleeved with sealing strips, and the sealing strips made of rubber have certain elasticity, so that the air inlet pipe 2 and the blowback pipe 3 can also slide to match with the movement of the filter cartridge 4 on the premise of keeping sealing with the through hole.
The air inlet pipe 2 and the back blowing air pipe 3 are arranged in the same direction, so that dust can be blown off conveniently during air blowing, and the using effect is better.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A blowback gas sampling probe, characterized in that: the device comprises a probe pipe (1), an air inlet pipe (2), a back-blowing pipe (3) and a filter cartridge (4), wherein a filter cavity (11) is arranged in the probe pipe (1), and the filter cartridge (4) is arranged in the filter cavity (11); the air inlet pipe (2) and the back-blowing pipe (3) are respectively connected to two ends of the filter cylinder (4) and respectively penetrate out of two ends of the probe pipe (1); one end of the probe tube (1) is provided with a closed plate (12), and the other end of the probe tube is provided with an opening; an end cover (5) is arranged at one end of the opening of the probe pipe (1), and the blowback pipe (3) penetrates out of the end cover (5); the filter cartridge (4) is internally filled with a filter element (41), and the wall of the filter cartridge (4) is provided with an air vent (42); the probe pipe (1) side is provided with blast pipe (14), is provided with sealing ring (15) at filter chamber (11) chamber wall, sealing ring (15) inner wall and cartridge filter (4) outer wall laminate each other.
2. A blowback gas sampling probe according to claim 1, wherein: the end face of the sealing ring (15) is attached to the closing plate (12), the sum of the length of the sealing ring (15) and the length of the filter cylinder (4) is greater than the length of the probe tube (1), and the length of the sealing ring (15) is greater than the length of the filter cylinder (4); the exhaust pipe (14) and the sealing ring (15) are staggered with each other.
3. A blowback gas sampling probe according to claim 1, wherein: the probe tube (1) outside is provided with fixed block (13), fixed block (13) and closing plate (12) are parallel and level each other, are provided with the fixed orifices on fixed block (13).
4. A blowback gas sampling probe according to claim 1, wherein: cartridge filter (4) both ends are provided with connector (43) respectively, intake pipe (2), blowback trachea (3) respectively with connector (43) fixed connection, bleeder vent (42) evenly are provided with a plurality ofly along cartridge filter (4) side.
5. A blowback gas sampling probe according to claim 1, wherein: the end cover (5) is fixedly installed with the probe pipe (1) through threads, through holes are formed in the end cover (5) and the closing plate (12) respectively, the air inlet pipe (2) and the back-blowing pipe (3) penetrate out of the corresponding through holes, and sealing strips are arranged between the air inlet pipe and the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596497.9U CN212379117U (en) | 2020-04-20 | 2020-04-20 | Gas sampling probe capable of back flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596497.9U CN212379117U (en) | 2020-04-20 | 2020-04-20 | Gas sampling probe capable of back flushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212379117U true CN212379117U (en) | 2021-01-19 |
Family
ID=74160523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020596497.9U Expired - Fee Related CN212379117U (en) | 2020-04-20 | 2020-04-20 | Gas sampling probe capable of back flushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212379117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870527A (en) * | 2022-06-13 | 2022-08-09 | 常熟市飞奥压力容器制造有限公司 | Self-cleaning gas filter |
-
2020
- 2020-04-20 CN CN202020596497.9U patent/CN212379117U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870527A (en) * | 2022-06-13 | 2022-08-09 | 常熟市飞奥压力容器制造有限公司 | Self-cleaning gas filter |
| CN114870527B (en) * | 2022-06-13 | 2024-01-23 | 常熟市飞奥压力容器制造有限公司 | Self-cleaning gas filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |