CN211954808U - Metering type air pressure sampler - Google Patents
Metering type air pressure sampler Download PDFInfo
- Publication number
- CN211954808U CN211954808U CN201921883546.0U CN201921883546U CN211954808U CN 211954808 U CN211954808 U CN 211954808U CN 201921883546 U CN201921883546 U CN 201921883546U CN 211954808 U CN211954808 U CN 211954808U
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- air pressure
- ball screw
- piston
- top cover
- sampling tank
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Abstract
The utility model discloses a metering type air pressure sampler, which comprises a sampling tank, a sealing top cover is arranged on the sampling tank, an extraction pipeline is arranged at the left end of the sealing top cover, the extraction pipeline penetrates through the sealing top cover, the upper end of the extraction pipeline is connected with the sampling tank through a three-way valve, a scale mark is arranged on the sampling tank, the three-way valve is connected with a discharge pipeline, a piston pipe is arranged on the sealing top cover, an air pressure piston is arranged in the piston pipe, the upper end of the air pressure piston is connected with an air pressure piston rod, the left end of the piston pipe is provided with a ball screw, the ball screw is provided with a ball screw bearing, the right end of the ball screw bearing is connected with the air pressure piston rod through a connecting block, the upper end of the ball screw is connected with a stepping motor, and the position of the piston pressing is conveniently controlled, so that the metering sampling operation can be realized, and the device is worthy of popularization.
Description
Technical Field
The utility model relates to a sampler technical field specifically is a metering type atmospheric pressure sampler.
Background
The sampler is a sampling device used for steam-water testing, sampling and cooling in a boiler room or a power plant, namely, used for heat exchange of media such as liquid, gas and the like with higher temperature. The water in the boiler and the thermodynamic system is mostly high in temperature, and the high water temperature is inconvenient for sampling, measuring and testing, so the water is cooled in the sampling process, namely, the sample at the sampling point is introduced into a sampling cooler for cooling, and the sample can be cooled to be below 30-40 ℃ when the flow is generally required to be 500 plus materials per 700mL/min during sampling, thereby meeting the standard of the power industry DL/T457-91 of the people's republic of China.
Chemical reagents are relatively standard substances for chemical research and component analysis, are important conditions for technological progress, are widely used for synthesis, separation, qualitative and quantitative analysis of substances, can be said to be eyes of chemists, and are not separated from chemical reagents in daily work of factories, schools, hospitals and research institutes. At present, sampling operation is often required in the process of chemical reagent production and preparation.
Application number is CN201520488945.2, the name is a utility model patent of measurement formula atmospheric pressure sampler, include: the bottle cap is used for sealing and fixing the sampler and the reagent bottle to be sampled; the air cylinder is arranged on the bottle cap and is used for inflating and pressurizing the interior of the reagent bottle to be sampled; the liquid storage bottle is connected with an inner guide pipe which can penetrate into the bottom of the reagent bottle to be sampled through a switch device, scales are arranged on the liquid storage bottle, the inner guide pipe is arranged on the bottle cap, and the liquid storage bottle is used for storing and transferring accurately metered reagents. The utility model discloses a can get the liquid of certain volume with external isolated condition under, be particularly useful for having poisonous, harmful substance such as volatility, corrosivity, irritability, simultaneously the utility model has the characteristics of the design is simple, convenient operation, and feasibility of implementation nature is strong etc.
However, when extracting, the volume of extracting is controlled inconveniently, and when liquid was more, it was very difficult to carry out atmospheric pressure extraction through the manpower inflating, has consequently designed a measurement formula atmospheric pressure sampler.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, the utility model provides a metering type air pressure sampler can the effectual problem that the solution background art provided.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a metering type air pressure sampler, includes the sample jar, be provided with seal cap on the sample jar, the seal cap left end is provided with one and draws the pipeline, it runs through seal cap to draw the pipeline, it has the sample jar to draw the pipeline upper end through three-way valve connection, be provided with the scale sign on the sample jar, three-way valve connection has discharge conduit, the last piston pipe that is provided with of seal cap, the inside air pressure piston that is provided with of piston pipe, the air pressure piston upper end is connected with the air pressure piston rod, piston pipe left end is provided with ball, the last ball bearing that is provided with of ball, ball bearing right-hand member is connected with the air pressure piston rod through the connecting block, the ball upper end is connected.
Further, a protective bracket is arranged on the outer side of the sampling tank.
Further, piston pipe lower extreme is provided with spherical type filter screen, spherical type filter screen adopts stainless steel material to make.
Further, a blanking hopper is arranged at the tail end of the discharge pipeline.
Further, the ball screw left end is provided with the scale.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model takes out the liquid in the sampling tank by air pressure, and can rapidly carry out sampling operation by using the combination of the stepping motor and the ball screw, thus being easy and convenient;
(2) the utility model discloses a step motor drive has alleviateed the degree of difficulty of operation, and has made things convenient for the position that the control piston pushed down to can realize measurement sampling operation, to reagent sample safe swift more, be worth promoting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the utility model at a;
fig. 3 is a schematic structural diagram of the position B of the present invention.
Reference numbers in the figures:
1-sampling tank, 2-sealing top cover, 3-extraction pipeline, 4-three-way valve, 5-sampling tank, 6-scale mark, 7-discharge pipeline, 8-piston pipe, 9-pneumatic piston, 10-pneumatic piston rod, 11-ball screw, 12-ball screw bearing, 13-connecting block, 14-stepping motor, 15-protective bracket, 16-spherical filter screen, 17-blanking hopper and 18-graduated scale.
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.
As shown in fig. 1 to 3, the present invention provides a metering type air pressure sampler, which comprises a sampling tank 1, the sampling tank 1 is provided with a sealing top cover 2, the left end of the sealing top cover 2 is provided with an extraction pipeline 3, the extraction pipeline 3 penetrates through the sealing top cover 2, the upper end of the extraction pipeline 3 is connected with a sampling tank 5 through a three-way valve 4, the sampling tank 5 is provided with a scale mark 6, the three-way valve 4 is connected with a discharge pipeline 7, a piston tube 8 is arranged on the sealing top cover 2, an air pressure piston 9 is arranged in the piston tube 8, the upper end of the pneumatic piston 9 is connected with a pneumatic piston rod 10, the left end of the piston tube 8 is provided with a ball screw 11, the ball screw 11 is provided with a ball screw bearing 12, the right end of the ball screw bearing 12 is connected with the air pressure piston rod 10 through a connecting block 13, and the upper end of the ball screw 11 is connected with a stepping motor 14;
the utility model discloses a theory of operation does: when using, the liquid that needs the sample is packed into sample jar 1 inside after, cover the seal cap 2 at top and seal, can open step motor 14 afterwards, step motor 14 can drive ball 11 of lower extreme and rotate, it reciprocates in the vertical direction to drive ball bearing 12 on the ball 11, thereby it removes to drive atmospheric pressure piston rod 10 through connecting block 13, can promote great atmospheric pressure piston 9, and because the too big inconvenience of required pressure in manual operation, adopt step motor 14 not only can provide great drive power, and can control step motor 14 and change the pushing down position of atmospheric pressure piston rod 10, take out the liquid of inside in sample jar 5 through the atmospheric pressure mode, conveniently regulate and control the volume of sampling, utilize three-way valve 4, can take out sample liquid through discharge conduit 7.
As a preferred embodiment, the outer side of the sampling tank 1 is provided with the protective bracket 15, so that the stability of the device is improved, and the sampling tank 1 is prevented from overturning when the stepping motor 14 works.
In a preferred embodiment, a spherical screen 16 is disposed at the lower end of the piston tube 8, and the spherical screen 16 is made of stainless steel material, so as to prevent excessive liquid from entering the piston tube 8.
In a preferred embodiment, a blanking hopper 17 is arranged at the end of the discharge pipeline 7 to facilitate the blanking operation.
In a preferred embodiment, the left end of the ball screw 11 is provided with a graduated scale 18, which facilitates the observation of the position.
To sum up, the utility model discloses a key feature lies in:
(1) the utility model takes out the liquid in the sampling tank by air pressure, and can rapidly carry out sampling operation by using the combination of the stepping motor and the ball screw, thus being easy and convenient;
(2) the utility model discloses a step motor drive has alleviateed the degree of difficulty of operation, and has made things convenient for the position that the control piston pushed down to can realize measurement sampling operation, to reagent sample safe swift more, be worth promoting.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. A metering type air pressure sampler comprises a sampling tank (1), and is characterized in that: the sampling device is characterized in that a sealing top cover (2) is arranged on the sampling tank (1), the left end of the sealing top cover (2) is provided with an extraction pipeline (3), the extraction pipeline (3) penetrates through the sealing top cover (2), the upper end of the extraction pipeline (3) is connected with a sampling tank (5) through a three-way valve (4), the sampling tank (5) is provided with a scale mark (6), the three-way valve (4) is connected with a discharge pipeline (7), the sealing top cover (2) is provided with a piston pipe (8), an air pressure piston (9) is arranged in the piston pipe (8), the upper end of the air pressure piston (9) is connected with an air pressure piston rod (10), the left end of the piston pipe (8) is provided with a ball screw (11), the ball screw bearing (12) is arranged on the ball screw (11), and the right end of the ball screw bearing (12) is connected with, the upper end of the ball screw (11) is connected with a stepping motor (14).
2. A metered air pressure sampler as claimed in claim 1 wherein: and a protective bracket (15) is arranged on the outer side of the sampling tank (1).
3. A metered air pressure sampler as claimed in claim 1 wherein: the piston pipe (8) lower extreme is provided with sphere type filter screen (16), sphere type filter screen (16) adopt stainless steel material to make.
4. A metered air pressure sampler as claimed in claim 1 wherein: and a blanking hopper (17) is arranged at the tail end of the discharge pipeline (7).
5. A metered air pressure sampler as claimed in claim 1 wherein: and a graduated scale (18) is arranged at the left end of the ball screw (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883546.0U CN211954808U (en) | 2019-11-04 | 2019-11-04 | Metering type air pressure sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883546.0U CN211954808U (en) | 2019-11-04 | 2019-11-04 | Metering type air pressure sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211954808U true CN211954808U (en) | 2020-11-17 |
Family
ID=73166732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921883546.0U Withdrawn - After Issue CN211954808U (en) | 2019-11-04 | 2019-11-04 | Metering type air pressure sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211954808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114568933A (en) * | 2022-02-08 | 2022-06-03 | 孙自飞 | Full-automatic electric kettle |
-
2019
- 2019-11-04 CN CN201921883546.0U patent/CN211954808U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114568933A (en) * | 2022-02-08 | 2022-06-03 | 孙自飞 | Full-automatic electric kettle |
| CN114568933B (en) * | 2022-02-08 | 2024-02-27 | 广东南振电器有限公司 | Full-automatic electric kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201117 Effective date of abandoning: 20210512 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20201117 Effective date of abandoning: 20210512 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |