CN208407029U - A kind of quantitative sampling device of chemical test reagent - Google Patents
A kind of quantitative sampling device of chemical test reagent Download PDFInfo
- Publication number
- CN208407029U CN208407029U CN201820698460.XU CN201820698460U CN208407029U CN 208407029 U CN208407029 U CN 208407029U CN 201820698460 U CN201820698460 U CN 201820698460U CN 208407029 U CN208407029 U CN 208407029U
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- China
- Prior art keywords
- bottle
- sampling
- mountain
- sewage
- air
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Abstract
The utility model discloses a kind of quantitative sampling devices of chemical test reagent, including " mountain " word catheter, " mountain " the word catheter passes through sewage bottle stopper, sampling bottle stopper seals insertion sewage bottle respectively, sampling bottle, the water inlet of " mountain " word catheter is equipped with water inlet, it is connected between the sewage bottle and sampling bottle by snorkel a, it is connected between sewage bottle and pressure surge flask by snorkel b, pressure buffering bottle stopper is installed on the pressure surge flask, pressure surge flask is connect by snorkel c with air extractor, manometer is installed on the left side wall of pressure surge flask, right side wall offers air inlet, air valve is installed on the air inlet.The utility model buffers bottle structure by setting high precision flow, sampling bottle, air extractor, sewage bottle, pressure, solves the problems, such as that quantitative sampling device precision when taking liquid is inaccurate, chemical reagent is contaminated, air pressure is not easy to control and device is caused to rupture.
Description
Technical field
The utility model relates to chemical experiment technique field, the quantitative sampling of specially a kind of chemical test reagent is filled
It sets.
Background technique
The quantitative sampling device of chemical test reagent is a kind of equipment of chemical industry, suitable for being studied, detected
Liquid carry out quantitative sampling, specific mode be using corresponding sample apparatus, such as rubber head dropper, draw accordingly to
Survey chemical reagent, be put into sampling bottle or graduated cylinder, carry out quantitative sampling, or use pressure principle, using pressure difference into
The sampling of row chemicals either samples the assurance and fussy degree of accuracy of measurement in routine work, and conventional method is all ratio
It is cumbersome, time-consuming.
But there are deficiencies below for existing technology:
1, when the quantitative sampling of reagent is used in traditional chemical test, for the higher experimental project of some precision prescribeies, tradition
Method just comparatively, can not accomplish, error is larger, and the result of measurement is also inaccurate.
2, very high to the purity requirement of chemicals in chemical test, traditional quantitative does not design consideration during sampling
It is possible to be sampled the problem of polluting in conduit to chemicals, causes the inaccuracy of measurement result.
3, traditional method using pressure difference carries out the sampling of chemicals, and often the size of pressure is not easy to control, directly
Indirectly and sampling bottle, there is the danger for leading to sample bottle breakage.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of quantitative sampling device of chemical test reagent,
Solve that quantitative sampling device precision when taking liquid is inaccurate, chemical reagent is contaminated, air pressure is not easy to control causes device to rupture
Problem.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of quantitative of chemical test reagent
Sampling device, including " mountain " word catheter, " mountain " the word catheter seal insertion sewage by sewage bottle stopper, sampling bottle stopper respectively
Bottle, sampling bottle, " mountain " word catheter are equipped with water inlet, sewage bottle and sampling bottle and distinguish close on " mountain " word catheter of bottle mouth position
Water valve b and water valve a are installed, connected between the sewage bottle and sampling bottle by snorkel a, sewage bottle and pressure surge flask it
Between connected by snorkel b, be equipped on the pressure surge flask pressure buffering bottle stopper, pressure surge flask by snorkel c with
The bleeding point of air extractor connects, and is equipped with manometer on the left side wall of pressure surge flask, right side wall offers air inlet, described
Air valve b is installed on air inlet.
Preferably, high precision flow is installed on described " mountain " the word catheter.
Preferably, air exhaust rod is installed, the front end of air exhaust rod is equipped with piston inside the air extractor.
Preferably, air valve a is installed on the snorkel c.
Preferably, volume markings are indicated on the sampling bottle.
(3) beneficial effect
The utility model provides a kind of quantitative sampling device of chemical test reagent, have it is following the utility model has the advantages that
(1) the utility model is vacuum-treated whole device by air extractor, observes the value of manometer, adjusts pressure
It by force after suitable numerical value, allows the water inlet of " mountain " word catheter to be sampled by pressure difference, observes and pacify on " mountain " word catheter
The observation of chemicals flow is calculated equipped with high precision flow, cooperates the scale on sampling bottle, more accurate acquisition institute
Need the volume size of sample solution.
(2) the utility model closes water valve a, air valve a, air valve b, opens water valve b, pass through pressure by being provided with sewage bottle
Difference cleans " mountain " word catheter 1, high precision flow with chemical agent, by waste collection into sewage bottle, Zhi Houzai
Water valve b is closed, water valve a is opened, the sampling of chemical agent is carried out using " mountain " word catheter, the high precision flow after cleaning,
Guarantee that the sample liquid purity of acquisition is guaranteed, is all very helpful to the accuracy of the test experience of sample liquid later.
(3) the utility model passes through is equipped with pressure surge flask in a device, is connect by snorkel c with air extractor,
When being vacuum-treated, all valves are closed, pressure surge flask plays the role of a pressure buffer, has shared part and has pressed
By force, anti-locking apparatus rupture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model air extractor structural schematic diagram.
In figure: 1 " mountain " word catheter, 2 high precision flows, 3 water valve a, 4 snorkel a, 5 water valve b, 6 snorkel b, 7 pressures
Strong buffering bottle stopper, 8 air valve a, 9 air extractors, 10 water inlets, 11 sampling bottles, 12 sewage bottles, 13 sewage bottle stoppers, 14 manometers, 15
Pressure surge flask, 16 air valve b, 17 sampling bottle stoppers, 18 snorkel c, 19 air inlets, 20 pistons, 21 bleeding points, 22 air exhaust rods.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of quantitative sampling dress of chemical test reagent
It sets, including " mountain " word catheter 1, " mountain " word catheter 1 seals insertion sewage bottle by sewage bottle stopper 13, sampling bottle stopper 17 respectively
12, sampling bottle 11 indicate volume markings on sampling bottle 11, and " mountain " word catheter 1 is equipped with water inlet 10, on " mountain " word catheter 1
High precision flow 2, sewage bottle 12 and sampling bottle 11 are installed and are separately installed with water close on " mountain " word catheter 1 of bottle mouth position
Valve b5 and water valve a3, is connected between sewage bottle 12 and sampling bottle 11 by snorkel a4, sewage bottle 12 and pressure surge flask 15 it
Between connected by snorkel b6, be equipped on pressure surge flask 15 pressure buffering bottle stopper 7, pressure surge flask 7 pass through snorkel c18
It is connect with the bleeding point 21 of air extractor 9, air exhaust rod 22 is installed inside air extractor 9, the front end of air exhaust rod 22 is equipped with work
20 are filled in, air valve a8 is installed on snorkel c18, manometer 14 is installed, right side wall offers on the left side wall of pressure surge flask 7
Air inlet 19 is equipped with air valve b16 on the air inlet 19, and existing quantitative sampling error difference is big, and the utility model passes through pumping
Device of air 9 is vacuum-treated whole device, observes the value of manometer 14, adjusts pressure after suitable numerical value, passes through pressure
Difference allows the leakproof suction head 10 of " mountain " word catheter 1 to be sampled, and observes and is equipped with high precision flow on " mountain " word catheter 1
The observation of 2 pairs of chemicals flows calculates, and cooperates the scale on sampling bottle 11, sample solution required for more accurate acquisition
Volume size, existing quantitative sampling usually occur sample in the process and are contaminated in sampling process, and the utility model is by setting
It is equipped with sewage bottle 12, closes water valve a3, air valve a8, air valve b16, water valve b5 is opened, by pressure difference, with chemical agent to " mountain " word
Catheter 1, high precision flow 2 are cleaned, and by waste collection into sewage bottle 15, adopting for chemical agent is carried out after cleaning
Sample guarantees that the sample liquid purity of acquisition is guaranteed, traditional method using pressure difference carries out the sampling of chemicals, often pressure
Size is not easy to control, directly indirectly and sampling bottle, there is the danger for leading to sample bottle breakage, the utility model is by a device
Pressure surge flask 15 is installed, is connect by snorkel c18 with air extractor 9, when being vacuum-treated, closes all valves
Door, pressure surge flask 15 play the role of a pressure buffer, have shared part pressure, anti-locking apparatus rupture.
In use, the utility model utilizes " mountain " word catheter 1 to connect sampling bottle 11 and sewage bottle 12, pass through snorkel
A3, snorkel b5, connection sampling bottle 11, sewage bottle 12, pressure surge flask 15 guarantee that air communication in three bottles, pressure are slow
It rushes bottle 15 to connect by snorkel c18 with air extractor 9, when being vacuum-treated, closes all valves, observe manometer
14, when reaching certain pressure intensity, water valve b5 is first opened, by pressure difference, with chemical agent to " mountain " word catheter 1, high-precision flow
Meter 2 is cleaned, and by waste collection into sewage bottle 15, is then switched off water valve b5, is opened water valve a8, observes high precision flow
2, the volume markings on sampling bottle 11 are compareed, chemical agent sampling is carried out, after sampling, air valve b16 are opened, in balancing device
Outer air pressure samples liquid test experience.
It can to sum up obtain, high precision flow 2, air extractor 9, sampling bottle 11, sewage bottle of the utility model by setting
12,15 structure of pressure surge flask, solve quantitative sampling device precision when taking liquid is inaccurate, chemical reagent is contaminated, air pressure not
The problem of causing device to rupture easy to control.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of quantitative sampling device of chemical test reagent, including " mountain " word catheter (1), it is characterised in that: described
By sewage bottle stopper (13), sampling bottle stopper (17), sewage bottle (12), sampling bottle are inserted into sealing to " mountain " word catheter (1) respectively
(11), " mountain " word that " mountain " word catheter (1) is equipped with water inlet (10), sewage bottle (12) and sampling bottle (11) close to bottle mouth position is led
Liquid pipe is separately installed with water valve b(5 on (1)) and water valve a(3), pass through ventilation between the sewage bottle (12) and sampling bottle (11)
Pipe a(4) connection, pass through snorkel b(6 between sewage bottle (12) and pressure surge flask (15)) connect, the pressure surge flask
(15) pressure buffering bottle stopper (7), the bleeding point that pressure surge flask (7) passes through snorkel c(18) and air extractor (9) are installed on
(21) it connects, is equipped with manometer (14) on the left side wall of pressure surge flask (7), right side wall offers air inlet (19), described
Air inlet is equipped with air valve b(16 on (19)).
2. a kind of quantitative sampling device of chemical test reagent according to claim 1, it is characterised in that: " mountain "
High precision flow (2) are installed on word catheter (1).
3. a kind of quantitative sampling device of chemical test reagent according to claim 1, it is characterised in that: the pumping
It is equipped with air exhaust rod (22) inside device (9), the front end of air exhaust rod (22) is equipped with piston (20).
4. a kind of quantitative sampling device of chemical test reagent according to claim 1, it is characterised in that: the ventilation
Pipe c(18) on air valve a(8 is installed).
5. a kind of quantitative sampling device of chemical test reagent according to claim 1, it is characterised in that: the sampling
Volume markings are indicated on bottle (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698460.XU CN208407029U (en) | 2018-05-11 | 2018-05-11 | A kind of quantitative sampling device of chemical test reagent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820698460.XU CN208407029U (en) | 2018-05-11 | 2018-05-11 | A kind of quantitative sampling device of chemical test reagent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208407029U true CN208407029U (en) | 2019-01-22 |
Family
ID=65114406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820698460.XU Expired - Fee Related CN208407029U (en) | 2018-05-11 | 2018-05-11 | A kind of quantitative sampling device of chemical test reagent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208407029U (en) |
-
2018
- 2018-05-11 CN CN201820698460.XU patent/CN208407029U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 Termination date: 20190511 |