CN211262881U - Gas sampling device for environment detection - Google Patents
Gas sampling device for environment detection Download PDFInfo
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- CN211262881U CN211262881U CN201921788854.5U CN201921788854U CN211262881U CN 211262881 U CN211262881 U CN 211262881U CN 201921788854 U CN201921788854 U CN 201921788854U CN 211262881 U CN211262881 U CN 211262881U
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- collecting box
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Abstract
The utility model discloses a gas sampling device for environmental detection, the collecting box comprises a collecting box body, the left center department intercommunication of collecting box inner chamber has the manometer, the left bottom intercommunication of collecting box inner chamber has the outlet duct, the left side fixedly connected with draught fan of collecting box top surface center department, the left side intercommunication of draught fan has the blast pipe. The utility model discloses a set up the catch plate, reset spring, the briquetting, the catch bar, the position sleeve, the sealing washer, the backup ring, sealed hemisphere, the spacer ring board, the sealing ring, supporting spring, the cooperation in loading board and gas flow hole is used, can effectively keep apart gas after gathering and external environment, like this gas sampling device's sampling effect is better, solved gas sampling device after the sampling, because of can not keep apart gas after gathering and external environment, make the gas after the sampling mix with external gas easily, thereby lead to gas sampling device to appear the unsafe problem of sampling result.
Description
Technical Field
The utility model relates to an environmental protection technology field specifically is a gas sampling device for environmental detection.
Background
Along with the development of modern society, in order to detect and administer atmospheric environment and need use gas sampling device, current gas sampling device is after gathering gas, can not keep apart gas after gathering with external environment, makes the gas after gathering mix with external environment easily like this, causes gas sampling device to appear the inaccurate problem of sampling result, greatly reduced follow-up gas detection's accuracy, can't judge atmospheric pollution situation in the different time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas sampling device for environmental detection possesses the advantage of carrying out effective isolation to the gas after gathering and external environment, has solved gas sampling device and has appeared the unsafe problem of sampling result.
In order to achieve the above object, the utility model provides a following technical scheme: the gas sampling device for environmental detection comprises a collecting box, wherein a pressure gauge is communicated with the center of the left side of an inner cavity of the collecting box, an air outlet pipe is communicated with the bottom of the left side of the inner cavity of the collecting box, a draught fan is fixedly connected to the left side of the center of the surface of the top of the collecting box, an exhaust pipe is communicated with the left side of the draught fan, one side, away from the draught fan, of the exhaust pipe is communicated with the inner cavity of the collecting box, a switch valve is installed on the left side of the exhaust pipe, reset springs are fixedly connected to the top and the bottom of the right side of the inner cavity of the collecting;
the improved gas outlet pipe structure is characterized in that a positioning sleeve is fixedly connected to the center of the right surface of the pushing plate, a pushing rod is arranged on the right side of the positioning sleeve, a collecting box and a pressing block are penetrated through the right side of the pushing rod, a right annular and fixedly connected with spacer ring plate is arranged in an inner cavity of the gas outlet pipe, an outer ring and a center of the left surface of the spacer ring plate are all penetrated through to form a gas flow hole, a left annular and fixedly connected with supporting ring is arranged in the inner cavity of the gas outlet pipe, a supporting spring is fixedly connected to the top and the bottom of the right surface of the supporting ring and the front side and the rear side of the right surface of the supporting ring, a sealing ring is fixedly connected to the right side of the supporting spring, a bearing plate is.
Preferably, the surface of the pushing plate is in sliding contact with the inner cavity of the collecting box, and a placing groove matched with the sealing ring for use is formed in the circumferential direction of the surface of the outer ring of the pushing plate.
Preferably, the left side of the push rod extends to the inner cavity of the positioning sleeve and is in threaded connection with the inner cavity of the positioning sleeve, an inlet and outlet hole is formed in the center of the right side of the inner cavity of the collecting box in a penetrating mode, and the surface of the push rod is in sliding contact with the inner cavity of the inlet and outlet hole.
Preferably, the surface of the outer ring of the sealing ring is in sliding contact with the inner cavity of the air outlet pipe, and the maximum diameter of the sealing hemisphere is larger than the inner diameter of the air flowing hole.
Preferably, the top and the bottom of the right side surface of the supporting ring and the front side and the rear side of the right side surface are both provided with a placing groove, and the left side of the supporting spring extends to an inner cavity for placing the groove and is fixedly connected with the inner cavity for placing the groove.
Preferably, the left side and the right side of the back of the body surface center of the collecting box are respectively provided with a rechargeable battery box and a control switch, a rechargeable battery is embedded in the rechargeable battery box, the rechargeable battery is electrically connected with the control switch, and the control switch is electrically connected with the induced draft fan.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up the catch plate, reset spring, the briquetting, the catch bar, the position sleeve, the sealing washer, the backup ring, sealed hemisphere, the spacer ring board, the sealing ring, supporting spring, the cooperation in loading board and gas flow hole is used, can effectively keep apart gas after gathering and external environment, like this gas sampling device's sampling effect is better, solved gas sampling device after the sampling, because of can not keep apart gas after gathering and external environment, make gas after the sampling mix with external gas easily, thereby lead to gas sampling device to appear the unsafe problem of sampling result, be worth promoting.
2. The utility model discloses a standing groove has made things convenient for the installation of sealing washer, through the position sleeve, makes things convenient for the separation of catch bar and slurcam, through business turn over hole, has made things convenient for the promotion of catch bar, through sealed hemisphere, can block up sealedly to the gas flow hole, through placing the recess, can accomodate supporting spring, through rechargeable battery, can supply power to the draught fan.
Drawings
FIG. 1 is a sectional view of the present invention;
fig. 2 is a sectional view of the structure of the air outlet pipe of the present invention;
fig. 3 is a right side view of the support ring structure of the present invention;
fig. 4 is a right side view of the seal ring structure of the present invention;
fig. 5 is a left side view of the structure of the spacer ring plate of the present invention.
In the figure: the device comprises a collecting box 1, a pressure gauge 2, an air outlet pipe 3, a push plate 4, a return spring 5, a pressing block 6, a push rod 7, a positioning sleeve 8, a sealing ring 9, an induced draft fan 10, an exhaust pipe 11, a switch valve 12, a supporting ring 13, a sealing hemisphere 14, a separating ring plate 15, a sealing ring 16, a supporting spring 17, a placing groove 18, a bearing plate 19 and a gas flowing hole 20.
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. 1-5, a gas sampling device for environmental testing comprises a collection box 1, a pressure gauge 2 is communicated with the center of the left side of the inner cavity of the collection box 1, the range of the pressure gauge 2 is 0-1.6MPA, an air outlet pipe 3 is communicated with the bottom of the left side of the inner cavity of the collection box 1, an induced draft fan 10 is fixedly connected with the left side of the center of the top surface of the collection box 1, a charging battery box and a control switch are respectively installed on the left side and the right side of the center of the back surface of the collection box 1, a charging battery is embedded in the charging battery box and electrically connected with the control switch, the control switch is electrically connected with an induced draft fan 10, the induced draft fan 10 can be powered through the charging battery, an exhaust pipe 11 is communicated with the left side of the induced draft fan 10, the side, the top and the bottom of the right side of the inner cavity of the collecting box 1 are fixedly connected with a return spring 5, the left side of the return spring 5 is fixedly connected with a pushing plate 4, a sealing ring 9 is sleeved at the center of the surface of the pushing plate 4 in an annular manner, the surface of the pushing plate 4 is in sliding contact with the inner cavity of the collecting box 1, a placing groove matched with the sealing ring 9 is formed in the surface of the outer ring of the pushing plate 4 in an annular manner, and the sealing ring 9 is convenient to install through the placing groove;
a positioning sleeve 8 is fixedly connected at the center of the surface of the right side of the push plate 4, a push rod 7 is arranged at the right side of the positioning sleeve 8, the right side of the push rod 7 penetrates through the collecting box 1 and is fixedly connected with a pressing block 6, the left side of the push rod 7 extends to the inner cavity of the positioning sleeve 8 and is in threaded connection with the inner cavity of the positioning sleeve 8, an inlet and outlet hole is formed at the center of the right side of the inner cavity of the collecting box 1 in a penetrating way, the surface of the push rod 7 is in sliding contact with the inner cavity of the inlet and outlet hole, the push rod 7 is conveniently separated from the push plate 4 through the positioning sleeve 8, the push rod 7 is conveniently pushed through the inlet and outlet hole, a separation ring plate 15 is fixedly connected to the right side of the inner cavity of the air outlet pipe 3 in a circumferential direction, gas flowing holes 20 are respectively formed at the outer ring and center of the left side surface of the separation ring 15, a support ring 13 is fixedly connected to, the supporting spring 17 can resist the air pressure of 0.85MPA, the right side of the supporting spring 17 is fixedly connected with a sealing ring 16, the top and the bottom of the right side surface of the supporting ring 13 and the front side and the rear side of the right side surface are respectively provided with a placing groove 18, the left side of the supporting spring 17 extends to the inner cavity of the placing groove 18 and is fixedly connected with the inner cavity of the placing groove 18, the supporting spring 17 can be accommodated through the placing groove 18, the inner cavity of the sealing ring 16 is fixedly connected with a bearing plate 19 in a crossed manner, the surface on the right side of the bearing plate 19 is fixedly connected with a sealing hemisphere 14 matched with an air flowing hole 20, and through the arrangement of a push plate 4, a reset spring 5, a pressing block 6, a push rod 7, a positioning sleeve 8, a sealing ring 9, a supporting ring 13, the sealing hemisphere 14, an isolating ring plate 15, the sealing ring 16, the supporting spring 17, the bearing plate 19 and the air flowing, like this gas sampling device's sampling effect is better, gas sampling device has been solved after the sampling, because of can not keep apart gas after gathering with external environment, make the gas after the sampling mix with external gas easily, thereby lead to gas sampling device to appear the unsafe problem of sampling result, be worth promoting, the surface of sealing ring 16 outer lane is sliding contact with the inner chamber of outlet duct 3, the maximum diameter of sealed hemisphere 14 is greater than the internal diameter of gas flow hole 20, through sealed hemisphere 14, can block up sealed to gas flow hole 20.
When the gas sampling device is used, the switch valve 12 is opened, the induced draft fan 10 is started by the control switch, outside air is introduced into the collecting box 1, when the air pressure displayed by the pressure gauge 2 reaches 0.8MPA, the induced draft fan 10 is closed by the control switch, the switch valve 12 is closed at the same time, the gas sampling device is brought back to the detection chamber, the external detector pipeline is connected to the left side of the gas outlet pipe 3, the press block 6 is pushed leftwards, the push rod 7 and the push plate 4 move leftwards, the reset spring 5 is stretched at the moment to compress gas, when the gas is greater than 0.85MPA, the supporting spring 17 is compressed, the sealing hemisphere 14 is separated from the gas flow hole 20, the gas is discharged, subsequent detection is carried out, the press block 6 is stopped to be pushed after the gas is discharged, and the push plate 4 is reset under; and finally, detaching the gauge head of the pressure gauge 2, pushing the pressing block 6 again, discharging residual gas in the pressure gauge, and finally resetting the gauge head of the pressure gauge 2 to collect subsequent gas.
All kinds of parts used in the application document are standard parts and can be purchased from the market, the specific connection mode of all parts adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the conventional models in the prior art are adopted for machinery, parts and electrical equipment, the conventional connection mode in the prior art is adopted for circuit connection, and detailed description is not given here.
In summary, the following steps: this gaseous sampling device for environmental detection, through setting up catch plate 4, reset spring 5, briquetting 6, catch bar 7, position sleeve 8, sealing washer 9, supporting ring 13, sealed hemisphere 14, spacer ring board 15, sealing ring 16, supporting spring 17, loading board 19 and the cooperation use of gas flow hole 20, solved gaseous sampling device and appeared the inaccurate problem of sampling result.
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. The utility model provides a gas sampling device for environmental monitoring, includes collecting box (1), its characterized in that: the left center of the inner cavity of the collecting box (1) is communicated with a pressure gauge (2), the left bottom of the inner cavity of the collecting box (1) is communicated with an air outlet pipe (3), the left side of the center of the top surface of the collecting box (1) is fixedly connected with an induced draft fan (10), the left side of the induced draft fan (10) is communicated with an exhaust pipe (11), one side, away from the induced draft fan (10), of the exhaust pipe (11) is communicated with the inner cavity of the collecting box (1), the left side of the exhaust pipe (11) is provided with a switch valve (12), the top and the bottom of the right side of the inner cavity of the collecting box (1) are both fixedly connected with a reset spring (5), the left side of the reset spring (5) is fixedly connected with a push;
the center of the right side surface of the push plate (4) is fixedly connected with a positioning sleeve (8), the right side of the positioning sleeve (8) is provided with a push rod (7), the right side of the push rod (7) penetrates through the collecting box (1) and is fixedly connected with a pressing block (6), the right side of the inner cavity of the air outlet pipe (3) is fixedly connected with a spacing ring plate (15) in a circumferential direction, the outer ring and the center of the left side surface of the spacing ring plate (15) are both provided with a gas flowing hole (20) in a penetrating manner, the left side of the inner cavity of the air outlet pipe (3) is fixedly connected with a supporting ring (13) in a circumferential direction, the top and the bottom of the right side surface of the supporting ring (13) and the front side and the rear side of the right side surface are both fixedly connected with supporting springs (17), the right side of the supporting springs (17, and a sealing hemisphere (14) matched with the gas flow hole (20) for use is fixedly connected to the surface on the right side of the bearing plate (19).
2. The gas sampling device for environmental monitoring according to claim 1, wherein: the surface of the pushing plate (4) is in sliding contact with the inner cavity of the collecting box (1), and a placing groove matched with the sealing ring (9) for use is formed in the circumferential direction of the surface of the outer ring of the pushing plate (4).
3. The gas sampling device for environmental monitoring according to claim 1, wherein: the left side of catch bar (7) extends to the inner chamber of position sleeve (8) and passes through threaded connection with the inner chamber of position sleeve (8), the center department on collecting box (1) inner chamber right side runs through and has seted up into business turn over hole, the surface of catch bar (7) is sliding contact with the inner chamber in business turn over hole.
4. The gas sampling device for environmental monitoring according to claim 1, wherein: the surface of the outer ring of the sealing ring (16) is in sliding contact with the inner cavity of the air outlet pipe (3), and the maximum diameter of the sealing hemisphere (14) is larger than the inner diameter of the gas flowing hole (20).
5. The gas sampling device for environmental monitoring according to claim 1, wherein: the top and the bottom of support ring (13) right side surface and the front side and the rear side of right side surface have all been seted up and have been placed recess (18), the left side of supporting spring (17) extend to the inner chamber of placing recess (18) and with the inner chamber fixed connection who places recess (18).
6. The gas sampling device for environmental monitoring according to claim 1, wherein: the utility model discloses a draught fan, including collecting box (1), charging battery box and control switch, the left side and the right side of back of the body surface center department of collecting box (1) are installed respectively, and it has charging battery to inlay in the charging battery box, charging battery and control switch electric connection, control switch and draught fan (10) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788854.5U CN211262881U (en) | 2019-10-23 | 2019-10-23 | Gas sampling device for environment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921788854.5U CN211262881U (en) | 2019-10-23 | 2019-10-23 | Gas sampling device for environment detection |
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| Publication Number | Publication Date |
|---|---|
| CN211262881U true CN211262881U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921788854.5U Active CN211262881U (en) | 2019-10-23 | 2019-10-23 | Gas sampling device for environment detection |
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| CN (1) | CN211262881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665929A (en) * | 2020-12-15 | 2021-04-16 | 南京新益升环保科技有限公司 | Indoor VOC collection system |
| CN112747977A (en) * | 2020-12-22 | 2021-05-04 | 河南日兆勘测规划设计有限公司 | Gas sampling device for environment detection |
-
2019
- 2019-10-23 CN CN201921788854.5U patent/CN211262881U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665929A (en) * | 2020-12-15 | 2021-04-16 | 南京新益升环保科技有限公司 | Indoor VOC collection system |
| CN112747977A (en) * | 2020-12-22 | 2021-05-04 | 河南日兆勘测规划设计有限公司 | Gas sampling device for environment detection |
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