CN212988953U - Atmospheric sampling ware with double seal structure - Google Patents
Atmospheric sampling ware with double seal structure Download PDFInfo
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- CN212988953U CN212988953U CN202021701211.5U CN202021701211U CN212988953U CN 212988953 U CN212988953 U CN 212988953U CN 202021701211 U CN202021701211 U CN 202021701211U CN 212988953 U CN212988953 U CN 212988953U
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Abstract
The utility model discloses an atmospheric sampling ware with double seal structure, including landing leg and piston, the landing leg upper end is fixed with the casing, and the landing leg lower extreme installs the universal wheel, the pneumatic cylinder is installed to the casing upper end, and the pneumatic cylinder lower extreme is connected with the connecting rod, the piston is fixed in the connecting rod lower extreme, and the laminating of the piston outside has the pump bowl, the pump bowl right side is connected with the fixed plate, and is connected with the extraction opening on the left of the pump bowl, the extraction opening left end is connected with the breathing pipe, and the breathing pipe right side installs first check valve. This atmosphere sample thief with double seal structure is provided with the breathing pipe, be swing joint between breathing pipe and the end cover, end cover outer wall and the inseparable laminating of breathing pipe inner wall, consequently the end cover plays sealed effect to the device, and the user can seal the device through the end cover when not arriving the atmospheric environment of needs collection to avoid the inside gas that does not need the sampling of device and bring the trouble for the operation.
Description
Technical Field
The utility model relates to an atmospheric sampling ware technical field specifically is an atmospheric sampling ware with double seal structure.
Background
An instrument or device for collecting atmospheric contaminants or contaminated atmosphere. There are many types of atmospheric samplers. The device can be divided into a gas (including steam) sampler and a particle sampler according to a collection object; the sampler can be divided into an environment sampler, an indoor sampler (such as a sampler used in a factory workshop) and a pollution source sampler (such as a chimney sampler) according to the using place. In addition, the sampler also has special purpose, like a sampler for simultaneously collecting gas and particles, can collect sulfur dioxide and particles or hydrogen fluoride and particles in the atmosphere, and is convenient for researching the mutual relation of sulfur or fluorine in gaseous and solid substances. There is also a sampler to collect bacteria in the air.
When the atmospheric sampler on the market is used, the sealing effect of the device is poor, the quality of atmospheric sample collection cannot be guaranteed, and the device is not convenient enough to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an atmosphere sample thief with double seal structure to the sealed effect of the device that provides is not good among the above-mentioned background art of solution, can not guarantee the quality that atmospheric sample gathered, and the device operation is convenient problem inadequately.
In order to achieve the above object, the utility model provides a following technical scheme: an air sampler with a double sealing structure comprises a support leg and a piston, wherein a shell is fixed at the upper end of the support leg, universal wheels are installed at the lower end of the support leg, a hydraulic cylinder is installed at the upper end of the shell, a connecting rod is connected to the lower end of the hydraulic cylinder, the piston is fixed at the lower end of the connecting rod, an air extracting cylinder is attached to the outer side of the piston, a fixing plate is connected to the right side of the air extracting cylinder, an air extracting opening is connected to the left side of the air extracting cylinder, an air suction pipe is connected to the left end of the air extracting opening, a first one-way valve is installed on the right side of the air suction pipe, an end cover is connected to the left end of the air suction pipe, an exhaust pipe is connected to the lower end of the air extracting cylinder, a second one-way, and the outer side of the hinge is connected with a protective door.
Preferably, the support legs are symmetrically distributed about a vertical central axis of the shell, and the support legs are fixedly connected with the shell.
Preferably, the connecting rod coincides with the vertical central axis of the piston, and the size of the outer opening of the piston is matched with the size of the inner opening of the air suction cylinder.
Preferably, the air suction pipe is overlapped with the horizontal central axis of the first one-way valve, and the air suction pipe is movably connected with the end cover.
Preferably, the gas collecting bottle and the gas collecting pipe are of an integrated structure, and the gas collecting pipe is fixedly connected with the gas outlet.
Preferably, the protective door and the shell form a rotating structure through a hinge, and the size of an outer opening of the protective door is matched with the size of an inner opening of the shell.
Compared with the prior art, the beneficial effects of the utility model are that: this atmosphere sample thief with double seal structure is provided with the breathing pipe, be swing joint between breathing pipe and the end cover, end cover outer wall and the inseparable laminating of breathing pipe inner wall, consequently the end cover plays sealed effect to the device, and the user can seal the device through the end cover when not arriving the atmospheric environment of needs collection to avoid the inside gas that does not need the sampling of device and bring the trouble for the operation.
For fixed connection between discharge and the gas outlet, constitute detachable construction between discharge and the gas outlet, the user is after inhaling the exhaust column with the atmosphere that needs gather, closes first check valve and second check valve, opens the third check valve, promotes connecting rod and piston downstream through the pneumatic cylinder, alright in pushing the atmosphere that waits to detect to the gas collecting bottle in to complete atmospheric sampling is collected, satisfies user's demand.
The outer mouthful size of guard gate is identical with the internal orifice size of casing, and the setting of guard gate plays the guard action to device inner structure, can avoid the other external article of internals to damage, and the user can get the gas collecting bottle through opening the guard gate and put easy operation convenience.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. a support leg; 2. a housing; 3. a universal wheel; 4. a hydraulic cylinder; 5. a connecting rod; 6. a piston; 7. an air pumping cylinder; 8. a fixing plate; 9. an air extraction opening; 10. an air intake duct; 11. a first check valve; 12. an end cap; 13. an exhaust pipe; 14. a second one-way valve; 15. an air outlet; 16. a gas collecting pipe; 17. a third check valve; 18. a gas collection bottle; 19. a hinge; 20. a guard gate.
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.
Referring to fig. 1-3, the present invention provides a technical solution: an atmosphere sampler with a double-sealing structure comprises supporting legs 1, a shell 2, universal wheels 3, a hydraulic cylinder 4, a connecting rod 5, a piston 6, an air pumping cylinder 7, a fixing plate 8, an air pumping port 9, an air suction pipe 10, a first one-way valve 11, an end cover 12, an exhaust pipe 13, a second one-way valve 14, an air outlet 15, an air collecting pipe 16, a third one-way valve 17, an air collecting bottle 18, a hinge 19 and a protective door 20, wherein the shell 2 is fixed at the upper end of the supporting legs 1, the lower end of the supporting leg 1 is provided with a universal wheel 3, the supporting leg 1 is symmetrically distributed about the vertical central axis of the shell 2, the supporting leg 1 is fixedly connected with the shell 2, the structure is more stable, the stress is more uniform, the device can be prevented from inclining or shaking due to the impact of external force, the vibration and noise generated during the operation of the device are reduced, and the operating environment of a user is improved;
the upper end of the shell 2 is provided with a hydraulic cylinder 4, the lower end of the hydraulic cylinder 4 is connected with a connecting rod 5, a piston 6 is fixed at the lower end of the connecting rod 5, an air pump cylinder 7 is attached to the outer side of the piston 6, the connecting rod 5 is overlapped with the vertical central axis of the piston 6, the size of the outer opening of the piston 6 is matched with that of the inner opening of the air pump cylinder 7, after a user starts the hydraulic cylinder 4, the hydraulic cylinder 4 drives the connecting rod 5 and the piston 6 to do linear reciprocating motion along the air pump cylinder 7, and the piston 6 is made of rubber materials, so that the piston 6 is tightly connected with the air pump cylinder 7, the sealing performance is good, when the connecting rod 5 moves downwards, gas in the air pump cylinder 7 can be discharged, when the connecting rod 5 moves upwards, outside atmosphere can be sucked into the air pump cylinder;
the right side of the air pumping cylinder 7 is connected with a fixing plate 8, the left side of the air pumping cylinder 7 is connected with an air pumping hole 9, the left end of the air pumping hole 9 is connected with an air suction pipe 10, a first one-way valve 11 is installed on the right side of the air suction pipe 10, the left end of the air suction pipe 10 is connected with an end cover 12, the air suction pipe 10 is overlapped with a horizontal central axis of the first one-way valve 11, the air suction pipe 10 is movably connected with the end cover 12, and the outer wall of the end cover 12 is tightly attached to the inner wall of the air suction pipe 10, so that the end cover 12 has a sealing effect on the device, when a user does not reach an environment needing to collect atmosphere;
the lower end of the air extracting cylinder 7 is connected with an exhaust pipe 13, a second one-way valve 14 is installed on the upper side of the exhaust pipe 13, an air outlet 15 is distributed on the right side of the exhaust pipe 13, the lower end of the air outlet 15 is connected with an air collecting pipe 16, a third one-way valve 17 is installed in the middle of the air collecting pipe 16, an air collecting bottle 18 is connected to the lower end of the air collecting pipe 16, the air collecting bottle 18 and the air collecting pipe 16 are of an integrated structure, the air collecting pipe 16 and the air outlet 15 are fixedly connected, a detachable structure is formed between the air collecting pipe 16 and the air outlet 15, a user closes the first one-way valve 11 and the second one-way valve 14 after sucking the atmosphere to be collected into the air extracting cylinder 7, opens the third one-way valve 17, pushes the connecting rod 5 and the piston 6 to move downwards through the hydraulic cylinder 4;
The working principle is as follows: for the atmosphere sampler with the double sealing structure, the landing leg 1 is fixedly connected with the shell 2, the structure is arranged, so that the structure of the device is more stable, the stress is more uniform, the device can be prevented from being inclined or shaken due to external force impact, the vibration and noise generated when the device operates are reduced, the operating environment of a user is improved, after the user starts the hydraulic cylinder 4, the hydraulic cylinder 4 drives the connecting rod 5 and the piston 6 to do linear reciprocating motion along the air pumping cylinder 7, the piston 6 is made of rubber, so that the piston 6 is tightly connected with the air pumping cylinder 7, the sealing performance is good, when the connecting rod 5 moves downwards, the air in the air pumping cylinder 7 can be exhausted, when the connecting rod 5 moves upwards, the external atmosphere can be sucked into the air pumping cylinder 7, the structure is simple, the operation is easy, the requirements of the user are met, and the end cover 12 plays a sealing role on the device, the user is when not arriving in the environment that needs to gather atmospheric, can seal the device through end cover 12, thereby avoid the inside gas that does not need the sampling of getting into of device and bring the trouble for the operation, constitute detachable construction between discharge 16 and the gas outlet 15, the user is after the atmosphere that will gather inhales suction tube 7, close first check valve 11 and second check valve 14, open third check valve 17, promote connecting rod 5 and piston 6 downstream through pneumatic cylinder 4, alright in pushing the atmosphere that will wait to detect to gas collecting bottle 18, thereby complete atmospheric sampling collection, satisfy user's demand, the setting of guard gate 20, play the guard action to device inner structure, can avoid the damage of other external article of internals, the user can get and put gas collecting bottle 18 through opening guard gate 20, and is simple and convenient in operation.
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 (6)
1. An atmosphere sampler with a double sealing structure, comprising a leg (1) and a piston (6), characterized in that: the support leg structure is characterized in that a shell (2) is fixed at the upper end of the support leg (1), universal wheels (3) are installed at the lower end of the support leg (1), a hydraulic cylinder (4) is installed at the upper end of the shell (2), a connecting rod (5) is connected to the lower end of the hydraulic cylinder (4), a piston (6) is fixed at the lower end of the connecting rod (5), an air suction tube (7) is attached to the outer side of the piston (6), a fixing plate (8) is connected to the right side of the air suction tube (7), an air suction opening (9) is connected to the left side of the air suction tube (7), an air suction pipe (10) is connected to the left end of the air suction opening (9), a first check valve (11) is installed on the right side of the air suction pipe (10), an end cover (12) is connected to the left end of the air suction pipe (10), an exhaust, and the lower end of the air outlet (15) is connected with a gas collecting pipe (16), the middle part of the gas collecting pipe (16) is provided with a third one-way valve (17), the lower end of the gas collecting pipe (16) is connected with a gas collecting bottle (18), the right side of the shell (2) is provided with a hinge (19), and the outer side of the hinge (19) is connected with a protective door (20).
2. An atmosphere sampler having a double sealing structure according to claim 1, wherein: the supporting legs (1) are symmetrically distributed about a vertical central axis of the shell (2), and the supporting legs (1) are fixedly connected with the shell (2).
3. An atmosphere sampler having a double sealing structure according to claim 1, wherein: the connecting rod (5) is superposed with the vertical central axis of the piston (6), and the size of the outer opening of the piston (6) is identical with that of the inner opening of the air pump cylinder (7).
4. An atmosphere sampler having a double sealing structure according to claim 1, wherein: the horizontal central axis of the air suction pipe (10) is superposed with the horizontal central axis of the first one-way valve (11), and the air suction pipe (10) is movably connected with the end cover (12).
5. An atmosphere sampler having a double sealing structure according to claim 1, wherein: the gas collecting bottle (18) and the gas collecting pipe (16) are of an integrated structure, and the gas collecting pipe (16) is fixedly connected with the gas outlet (15).
6. An atmosphere sampler having a double sealing structure according to claim 1, wherein: the protective door (20) and the shell (2) form a rotating structure through a hinge (19), and the size of an outer opening of the protective door (20) is matched with the size of an inner opening of the shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701211.5U CN212988953U (en) | 2020-08-16 | 2020-08-16 | Atmospheric sampling ware with double seal structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021701211.5U CN212988953U (en) | 2020-08-16 | 2020-08-16 | Atmospheric sampling ware with double seal structure |
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| CN212988953U true CN212988953U (en) | 2021-04-16 |
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| CN202021701211.5U Active CN212988953U (en) | 2020-08-16 | 2020-08-16 | Atmospheric sampling ware with double seal structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113252855A (en) * | 2021-07-14 | 2021-08-13 | 山东神驰石化有限公司 | Gas sampling device for chemical refining safety production |
| CN113984959A (en) * | 2021-06-30 | 2022-01-28 | 艾感科技(广东)有限公司 | Mobile gas detection system and device |
-
2020
- 2020-08-16 CN CN202021701211.5U patent/CN212988953U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113984959A (en) * | 2021-06-30 | 2022-01-28 | 艾感科技(广东)有限公司 | Mobile gas detection system and device |
| CN113984959B (en) * | 2021-06-30 | 2024-03-19 | 艾感科技(广东)有限公司 | Mobile gas detection system and device |
| CN113252855A (en) * | 2021-07-14 | 2021-08-13 | 山东神驰石化有限公司 | Gas sampling device for chemical refining safety production |
| CN113252855B (en) * | 2021-07-14 | 2021-10-19 | 山东神驰石化有限公司 | Gas sampling device for chemical refining safety production |
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