CN211179158U - Negative pressure container sampling device - Google Patents
Negative pressure container sampling device Download PDFInfo
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- CN211179158U CN211179158U CN201921778309.8U CN201921778309U CN211179158U CN 211179158 U CN211179158 U CN 211179158U CN 201921778309 U CN201921778309 U CN 201921778309U CN 211179158 U CN211179158 U CN 211179158U
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- end cover
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- pressure container
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Abstract
The utility model discloses a negative pressure container sampling device, including a sampling tube, an upper end cover and a lower end cover, the sampling tube is arranged between the upper end cover and the lower end cover, the joints of the sampling tube, the upper end cover and the lower end cover are provided with rubber rings, the inner wall of the rubber rings is attached to the sampling tube, the top of the upper end cover is in threaded connection with a liquid taking tube, the top of the liquid taking tube is provided with a flange sheet for connecting a negative pressure container, and the inside of the liquid taking tube is provided with a first valve; when needs adopt sample liquid, be connected with the negative pressure container through the flange piece, close second valve, third valve, make sampling tube and outside air isolated to open first valve, the material in the negative pressure container is owing to receive the action of gravity this moment, flow in the sampling tube, after having deposited a certain amount of feed liquid in the sampling tube, close first valve, open the second valve earlier, then open the third valve, the fluid-discharge tube outflow can be followed to the liquid in the sampling tube this moment, convenient operation.
Description
Technical Field
The utility model relates to a sample technical field specifically is a sampling device for negative pressure container.
Background
In evaporimeter and all kinds of negative pressure containers, need often gather the solution sample and survey, because there is great negative pressure inside the container, directly gather in the sample air can get into the container, cause unable collection, and also there is certain danger, current sampling device, mostly rely on the volume of control flap's opening time to control the sample at the in-process that uses, inconvenient people observe, and current most sampling device does not have the flushing function, when the different samples of needs are taken, need use new sampling device, thereby bring inconvenience for people.
Disclosure of Invention
An object of the utility model is to overcome not enough among the prior art, provide one kind and be convenient for people observe the size of sample volume, prevent to cause the damaged and can wash the negative pressure container with sampling device to the sampler barrel.
The utility model discloses a realize through following technical scheme: a negative pressure container sampling device comprises a sampling tube, an upper end cover and a lower end cover, wherein the sampling tube is arranged between the upper end cover and the lower end cover, rubber rings are arranged at the joints of the sampling tube, the upper end cover and the lower end cover, the inner wall of each rubber ring is attached to the sampling tube, a liquid taking tube is in threaded connection with the top of the upper end cover, a flange sheet for connecting a negative pressure container is arranged at the top of the liquid taking tube, a first valve is arranged inside the liquid taking tube, a liquid discharging tube is in threaded connection with the bottom of the lower end cover, the top of the liquid discharging tube is communicated with the bottom of the liquid taking tube, a third valve is arranged inside the liquid discharging tube, a protective shell is arranged outside the sampling tube, the upper end and the lower end of the protective shell are respectively in threaded connection with the upper end cover and the lower end cover, a flushing tube is arranged on the side wall of the, an air inlet pipe is arranged above the flushing pipe and communicated with the top of the liquid taking pipe, and a second valve is arranged in the air inlet pipe.
Preferably, the upper end cover and the lower end cover have the same structure, a positioning groove is formed in the bottom of the lower end cover, a sealing ring is arranged inside the positioning groove, and a boss for fixing the protective shell is arranged on the outer side of the lower end cover.
Preferably, a transparent baffle is arranged outside the protective shell, and scale marks are arranged on two sides of the transparent baffle.
Preferably, the joint of the liquid taking pipe and the upper end cover and the joint of the liquid discharge pipe and the lower end cover are both provided with fastening nuts, and gaskets are arranged between the two fastening nuts and the upper end cover and between the two fastening nuts and the lower end cover.
Preferably, the top of the air inlet pipe is provided with a clamping groove, and a filter screen plate is arranged inside the clamping groove.
Preferably, a sealing plug is arranged at the pipe orifice of the flushing pipe.
Preferably, the sampling cylinder is a transparent glass tube.
The beneficial effects of the utility model reside in that:
1. through setting up the liquid intaking pipe, first valve, the fluid-discharge tube, the third valve, the intake pipe, the second valve, when needs adopt the sample liquid, be connected with the negative pressure container through the flange piece, close the second valve, the third valve, make sampler barrel and outside air isolated, and open first valve, material in the negative pressure container is owing to receiving the action of gravity this moment, flow in the sampler barrel, after a certain amount of feed liquid has been deposited in the sampler barrel, close first valve, open the second valve earlier, then open the third valve, the fluid-discharge tube outflow can be followed to the liquid in the sampler barrel this moment, and convenient operation.
2. Through setting up the upper end cover, the lower extreme cover, the sampler barrel, the protecting crust, protecting crust and upper end cover and lower extreme cover threaded connection, when sampling device bumps against with the external world, can play the guard action to the sampler barrel through the protecting crust, through set up filter plate in intake pipe port department, can prevent that external impurity from getting into in the intake pipe, through setting up the flushing pipe, when the different appearance liquid of needs taking, get rid of the sealed end cap in the flushing pipe, external water pipe, simultaneously close the second valve, open first valve third valve, open external water pipe valve, can wash the sampling device inside this moment, need not more renew sampling device, and the cost is reduced.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional structure of the main view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is an enlarged schematic structural view of the position A of the present invention;
FIG. 4 is an enlarged schematic structural view of the position B of the present invention;
FIG. 5 is a schematic structural view of the middle lower end cap of the present invention;
wherein: 1. a liquid taking pipe; 2. fastening a nut; 3. a gasket; 4. a rubber ring; 5. a protective shell; 6. a sampling tube; 7. a transparent baffle; 8. a lower end cover; 81. a positioning groove; 82. a boss; 9. a flange sheet; 10. a first valve; 11. an upper end cover; 12. a second valve; 13. an air inlet pipe; 14. sealing the plug; 15. a flush tube; 16. a third valve; 17. a liquid discharge pipe; 18. scale lines; 19. a seal ring; 20. a filter screen plate; 21. a clamping groove.
Detailed Description
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 in specific cases to those skilled in the art.
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.
Example 1
As shown in figures 1-5, a negative pressure container sampling device comprises a sampling tube 6, an upper end cover 11 and a lower end cover 8, wherein the sampling tube 6 is a transparent glass tube, the sampling tube 6 is installed between the upper end cover 11 and the lower end cover 8, a rubber ring 4 is sleeved at the joint of the sampling tube 6, the upper end cover 11 and the lower end cover 8, the inner wall of the rubber ring 4 is attached to the sampling tube 6, the rubber ring 4 is arranged to prevent the sampling tube 6 from shaking and seal the sampling tube 6, a liquid taking tube 1 is in threaded connection with the top of the upper end cover 11, a flange sheet 9 for connecting a negative pressure container is installed at the top of the liquid taking tube 1, a first valve 10 is installed inside the liquid taking tube 1, a liquid discharge tube 17 is in threaded connection with the bottom of the lower end cover 8, the top of the liquid discharge tube 17 is communicated with the bottom of the liquid taking tube 1, a third valve 16 is installed inside the liquid discharge tube 17, the joint of the liquid taking, The joint of the liquid discharge pipe 17 and the lower end cover 8 is provided with fastening nuts 2, gaskets 3 are respectively arranged between the two fastening nuts 2 and the upper end cover 11 and the lower end cover 8, the structures of the upper end cover 11 and the lower end cover 8 are the same, the bottom of the lower end cover 8 is provided with a positioning groove 81, a sealing ring 19 is arranged inside the positioning groove 81, the sealing ring 19 is sleeved outside the liquid discharge pipe 17, the arrangement of the sealing ring 19 can seal between the upper end cover 11 and the liquid taking pipe 1 and between the lower end cover 8 and the liquid discharge pipe 17, the outer side of the lower end cover 8 is provided with a boss 82 for fixing the protective shell 5, the protective shell 5 is arranged outside the sampling tube 6, the upper end and the lower end of the protective shell 5 are respectively in threaded connection with the upper end cover 11 and the lower end cover 8, the protective shell 5 is arranged, when the sampling device collides with the outside, the sampling tube 6 can be protected, the transparent baffle 7 is fixedly connected to the outer part of the protective shell 5, scale marks 18 are arranged on two sides of the transparent baffle 7, people can conveniently observe the amount of the sample liquid, a flushing pipe 15 is arranged on the side wall of the protective shell 5, one end of the flushing pipe 15 penetrates through the protective shell 5 to be communicated with the liquid taking pipe 1, a sealing plug 14 is arranged at the pipe orifice of the flushing pipe 15, through the arrangement of the flushing pipe 15, when different sample liquids need to be taken, the sealing plug 14 in the flushing pipe 15 is removed, an external water pipe simultaneously closes the second valve 12, the third valve 16 of the first valve 10 is opened, the interior of the sampling device can be flushed at the moment, a new sampling device does not need to be replaced, the cost is reduced, an air inlet pipe 13 is arranged above the flushing pipe 15, the air inlet pipe 13 is communicated with the top of the liquid taking pipe 1, a clamping groove 21 is arranged at the top of the air inlet pipe 13, through set up filter plate 20 in intake pipe 13 port department, can prevent that external impurity from getting into in the intake pipe 13.
When sample liquid is needed to be adopted, the sampling device is connected with a negative pressure container through a flange piece 9, the second valve 12 and the third valve 16 are closed, the sampling cylinder 6 is isolated from outside air, the first valve 10 is opened, materials in the negative pressure container flow into the sampling cylinder 6 under the action of gravity at the moment, after a certain amount of liquid is stored in the sampling cylinder 6, the first valve 10 is closed, the second valve 12 is opened firstly, then the third valve 16 is opened, liquid in the sampling cylinder 6 can flow out from the liquid discharge pipe 17 at the moment, when the inside of the sampling device needs to be washed, the sealing plug 14 in the washing pipe 15 is removed, the external water pipe is connected, the second valve 12 is closed simultaneously, the first valve 10 and the third valve 16 are opened, the external water pipe valve is opened, and the inside of the sampling device can be washed at the moment.
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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a negative pressure container sampling device, includes sampler barrel, upper end cover, lower end cover, its characterized in that: the sampling tube is arranged between the upper end cover and the lower end cover, rubber rings are arranged at the joints of the sampling tube and the upper end cover as well as the lower end cover, the inner wall of the rubber ring is attached to the sampling tube, the top of the upper end cover is in threaded connection with a liquid taking tube, the top of the liquid taking tube is provided with a flange sheet for connecting a negative pressure container, the inside of the liquid taking tube is provided with a first valve, the bottom of the lower end cover is in threaded connection with a liquid discharging tube, the top of the liquid discharging tube is communicated with the bottom of the liquid taking tube, the inside of the liquid discharging tube is provided with a third valve, the outside of the sampling tube is provided with a protective shell, the upper end and the lower end of the protective shell are respectively in threaded connection with the upper end cover and the lower end cover, the side wall of the protective shell is provided with a flushing tube, one end of the flushing tube penetrates, and a second valve is arranged in the air inlet pipe.
2. The negative pressure container sampling device according to claim 1, wherein: the structure of upper end cover and lower end cover is the same, positioning groove has been seted up to the bottom of lower end cover, positioning groove's inside is provided with the sealing washer, the outside of lower end cover is provided with the boss that is used for fixed protecting crust.
3. The negative pressure container sampling device according to claim 2, wherein: the protective shell is externally provided with a transparent baffle, and the two sides of the transparent baffle are provided with scale marks.
4. The negative pressure container sampling device according to claim 1, wherein: and fastening nuts are arranged at the joint of the liquid taking pipe and the upper end cover and the joint of the liquid discharge pipe and the lower end cover, and gaskets are arranged between the two fastening nuts and the upper end cover and between the two fastening nuts and the lower end cover.
5. The negative pressure container sampling device according to claim 1, wherein: the top of intake pipe is provided with the draw-in groove, the inside of draw-in groove is provided with filters the otter board.
6. The negative pressure container sampling device according to claim 1, wherein: and a sealing plug is arranged at the pipe orifice of the flushing pipe.
7. The negative pressure container sampling device according to claim 1, wherein: the sampling tube is a transparent glass tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778309.8U CN211179158U (en) | 2019-10-22 | 2019-10-22 | Negative pressure container sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921778309.8U CN211179158U (en) | 2019-10-22 | 2019-10-22 | Negative pressure container sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179158U true CN211179158U (en) | 2020-08-04 |
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ID=71809778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921778309.8U Active CN211179158U (en) | 2019-10-22 | 2019-10-22 | Negative pressure container sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136702A (en) * | 2021-11-04 | 2022-03-04 | 河南恒聚新能源设备有限公司 | High-pressure sampler for sampling polymer solution and use method thereof |
-
2019
- 2019-10-22 CN CN201921778309.8U patent/CN211179158U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136702A (en) * | 2021-11-04 | 2022-03-04 | 河南恒聚新能源设备有限公司 | High-pressure sampler for sampling polymer solution and use method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 210 meters south of the intersection of Guangyuan Road and Yudong Street, Xinxiang Economic and Technological Development Zone, Xinxiang City, Henan Province, 453000 Road West Patentee after: Henan Shuangcheng Environmental Technology Co., Ltd. Address before: 453000 Xima Avenue (Lubao Industrial Park), Fengquan District, Xinxiang City, Henan Province Patentee before: XINXIANG SHUANGCHENG ENVIRONMENTAL PROTECTION EQUIPMENT CO.,LTD. |
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| CP03 | Change of name, title or address |