CN218470276U

CN218470276U - Chemical reagent sampling device

Info

Publication number: CN218470276U
Application number: CN202222389153.2U
Authority: CN
Inventors: 杨勇; 高俊雄
Original assignee: Shanghai Mclean Biochemical Technology Co ltd
Current assignee: Shanghai Mclean Biochemical Technology Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-02-10
Anticipated expiration: 2032-09-08

Abstract

The utility model relates to a chemistry technical field specifically discloses a chemical reagent sampling device, including the burette, sealed lid is installed to the upper end of burette, the inside of sealed lid is provided with the baffle, the baffle with be connected with the spring between the sealed lid, the burette is located and is close to the one end surface of sealed lid is provided with the sealing ring, the extrusion head has been cup jointed in the outside of sealing ring, the outside of burette is provided with the locating support, the one end of locating support is located the extrusion head reaches be connected with the lantern ring between the sealed lid. The whole inside that stretches into the test tube of burette, first snap ring and second snap ring are whole to cup joint in the outside of test tube, can prevent that the burette from rocking when reciprocating and contacting the test tube inner wall and taking place to pollute, and the scale mark that the below in fat tripe storehouse lies in the side surface setting of burette can supply the burette to be used for the ration sample.

Description

Chemical reagent sampling device

Technical Field

The utility model relates to a chemistry technical field specifically is a chemical reagent sampling device.

Background

The sampling refers to a process of extracting individuals or samples from a population, namely a process of testing or observing the population, a chemical reagent is a relative standard substance for chemical research and component analysis, is an important condition for scientific and technological progress, and is widely used for synthesis, separation, qualitative analysis and quantitative analysis of substances.

However, when the experiment needs to select quantitative reagent for the experiment, when the liquid is guided by the bent-neck funnel, the liquid is easily adhered to the inner side wall of the funnel, and the condition that the reagent dosage is less and the experiment parameters are influenced occurs.

SUMMERY OF THE UTILITY MODEL

To current problem, the utility model provides a chemical reagent sampling device, the device cooperation is used the problem that can put forward in the effectual solution background art.

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a chemical reagent sampling device, includes the burette, sealed lid is installed to the upper end of burette, the inside of sealed lid is provided with the baffle, the baffle with be connected with the spring between the sealed lid, the burette is located and is close to the one end surface of sealed lid is provided with the sealing ring, the extrusion head has been cup jointed in the outside of sealing ring, the outside of burette is provided with the locating support, the one end of locating support is located the extrusion head reaches be connected with the lantern ring between the sealed lid.

As a further aspect of the present invention: the locating support is located keep away from the one end of going up the lantern ring is provided with clamping member, clamping member includes: first snap ring, second snap ring.

As a further aspect of the present invention: the middle part of burette is provided with fat tripe storehouse, the below in fat tripe storehouse is located the side surface of burette is provided with the scale mark, the installation tooth line has been seted up to the inside wall of sealed lid.

As a further aspect of the present invention: the sealing cover is fixedly connected with the dropper, and the baffle is fixedly connected with the spring.

As the utility model discloses further scheme again: the length of the inner diameter of the upper lantern ring is matched with the length of the outer diameter of the dropper.

As a further aspect of the present invention: and an elastic rotating shaft is arranged between the second clamping ring and the positioning bracket.

As a further aspect of the present invention: the fat belly cabin is communicated with the dropper.

As a further aspect of the present invention: the extrusion head is clamped with the sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the whole inside that stretches into the test tube of burette, first snap ring and second snap ring are whole to be cup jointed in the outside of test tube, can prevent that the burette from rocking when reciprocating and touching the test tube inner wall and taking place to pollute, and the scale mark that the side surface in burette set up is located to the below in fat tripe storehouse can supply the burette to be used for the ration sample.

2. Baffle whole can be covered in the upper end of test tube, accomplishes and shelters from, avoids the burette bottom can contact the inside liquid of test tube, can adjust the tip of burette when applying the effort towards test tube direction simultaneously to the distance of liquid, can make liquid splash when preventing the dropping liquid.

Drawings

FIG. 1 is a schematic diagram of a chemical sampling device;

FIG. 2 is an exploded view of the whole apparatus of a chemical reagent sampling apparatus;

fig. 3 is a sectional view of a dropper in a chemical reagent sampling apparatus.

In the figure: 1. a dropper; 2. a fat belly bin; 3. an extrusion head; 4. a sealing cover; 5. positioning the bracket; 6. a first snap ring; 7. a second snap ring; 8. an upper collar; 101. a seal ring; 401. installing the tooth lines; 402. a baffle plate; 403. a spring.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-3, the present embodiment provides a chemical reagent sampling device, which comprises a dropper 1, a sealing cover 4 is installed at the upper end of the dropper 1, an installation thread 401 is provided on the inner side wall of the sealing cover 4, the sealing cover 4 is fixedly connected with the dropper 1, the dropper 1 is integrally installed on the sealing cover 4, the installation thread 401 inside the sealing cover 4 and a dropper bottle can be well assembled and connected to ensure the sealing performance inside the dropper bottle, a baffle 402 is provided inside the sealing cover 4, a spring 403 is connected between the baffle 402 and the sealing cover 4, the baffle 402 is fixedly connected with the spring 403, when a dropping liquid is processed, the baffle 402 is integrally covered on the upper end of a test tube to complete shielding, avoid 1 bottom of burette to contact the inside liquid of test tube, simultaneously can adjust the tip of burette 1 to the distance of liquid when applying the effort towards the test tube direction, can make liquid splash when preventing the dropping liquid, the one end surface that burette 1 is located and is close to sealed lid 4 is provided with sealing ring 101, extrusion head 3 has been cup jointed in sealing ring 101's the outside, extrusion head 3 and sealing ring 101 joint, extrusion head 3 wholly adopts for screw-thread mechanism, can increase the volume of imbibition when pressing the imbibition, the outside of burette 1 is provided with locating support 5, the one end of locating support 5 is located and is connected with lantern ring 8 between extrusion head 3 and the sealed lid 4, the internal diameter size length of going up lantern ring 8 agrees with the external diameter size length of burette 1 mutually.

As shown in fig. 2-3, the end of the positioning bracket 5 remote from the upper collar 8 is provided with a clamping member comprising: first snap ring 6, second snap ring 7, install the elasticity pivot between first snap ring 6 and second snap ring 7 and the locating support 5, the whole ring body of constituteing of first snap ring 6 and second snap ring 7 can cup joint in the outside of test tube, when needs carry out the dropping liquid, 1 whole inside that stretches into the test tube of burette, first snap ring 6 and second snap ring 7 are whole to cup joint in the outside of test tube, can prevent that the test tube inner wall that can contact when burette 1 reciprocates from taking place to pollute, the middle part of burette 1 is provided with fat tripe storehouse 2, fat tripe storehouse 2 and 1 through connection of burette, the below in fat tripe storehouse 2 is provided with the scale mark in the side surface of burette 1, the scale mark can supply burette 1 to be used for the ration sample.

The utility model discloses a theory of operation is: when needs carry out the dropping liquid, through the inside air of extrusion head 3 discharge, with the whole inside that inserts reagent container of burette 1, make reagent flow to burette 1's inside behind the unclamping extrusion head 3, and judge the reagent volume that needs were taken out according to the scale mark, place the whole top at the test tube of device, cup joint first snap ring 6 and second snap ring 7 and stretch into burette 1 whole downwards after the outside of test tube, under the limiting displacement of first snap ring 6 and second snap ring 7, can avoid burette 1 to swing by a wide margin and lead to and the inside wall of test tube to take place the contact, extrusion head 3 is whole to carry out the joint through sealing ring 101 and burette 1, consequently, be used for dismantling locating support 5 whole and burette 1, when carrying out the dropping liquid drop processing, baffle 402 is whole can cover in the upper end of test tube, accomplish and shelter from, avoid burette 1 bottom to contact the liquid of trying on, simultaneously can adjust the tip of burette 1 to the distance of liquid to liquid when exerting the effort towards the test tube direction, can make liquid splash when preventing the dropping liquid during the dropping liquid.

It should be noted that, in this document, relational terms such as first and second, and the like are only used for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relation or order between the entities or operations, and furthermore, the terms "comprise", or any other variation thereof are intended to cover a non-exclusive inclusion, so that a process, a method, an article, or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, article, or apparatus.

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

1. The utility model provides a chemical reagent sampling device, includes burette (1), its characterized in that, sealed lid (4) are installed to the upper end of burette (1), the inside of sealed lid (4) is provided with baffle (402), baffle (402) with be connected with spring (403) between sealed lid (4), burette (1) is located and is close to the one end surface of sealed lid (4) is provided with sealing ring (101), extrusion head (3) have been cup jointed in the outside of sealing ring (101), the outside of burette (1) is provided with locating support (5), the one end of locating support (5) is located extrusion head (3) and be connected with lantern ring (8) between sealed lid (4).

2. A chemical reagent sampling device according to claim 1, wherein the end of the positioning bracket (5) remote from the upper collar (8) is provided with a gripping member comprising: a first snap ring (6) and a second snap ring (7).

3. The chemical reagent sampling device of claim 1, wherein the middle part of the dropper (1) is provided with a fat belly bin (2), the side surface of the dropper (1) below the fat belly bin (2) is provided with scale lines, and the inner side wall of the sealing cover (4) is provided with installation teeth (401).

4. A chemical reagent sampling device according to claim 1, wherein the sealing cap (4) is fixedly connected to the dropper (1), and the baffle (402) is fixedly connected to the spring (403).

5. A chemical reagent sampling device according to claim 1, wherein the length of the inner diameter dimension of the upper collar (8) is adapted to the length of the outer diameter dimension of the dropper (1).

6. A chemical reagent sampling device according to claim 2, wherein an elastic rotating shaft is arranged between the second snap ring (7) and the positioning bracket (5) and between the second snap ring (7) and the positioning bracket (5).

7. A chemical reagent sampling device according to claim 3, characterized in that the fat belly bin (2) is in through connection with the dropper (1).

8. A chemical reagent sampling device according to claim 1, wherein the squeeze head (3) is snap-fitted to the sealing ring (101).