CN218067200U

CN218067200U - Analytical chemistry liquid sampling device

Info

Publication number: CN218067200U
Application number: CN202220976147.4U
Authority: CN
Inventors: 乌兰其其格; 宝力道; 刘艳红
Original assignee: Chifeng University
Current assignee: Chifeng University
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-12-16
Anticipated expiration: 2032-04-26

Abstract

The utility model provides an analytical chemistry liquid sampling device, including the sampling tube, sealed collection liquid bag, connection piece and spill piece, the sampling tube left end is provided with the sampling head, sampling head annular side is provided with first miniature plastic valve, sampling tube lower extreme left side is run through and is provided with the connecting pipe, connecting pipe annular side is provided with second miniature plastic valve, sealed collection liquid bag upper end is connected with external screw thread pipe, specifications such as connection piece are provided with two, two connection pieces are located the sampling tube respectively and are gone up the lower extreme, original device has been solved in this design when using, need to operate personnel's both hands contact sampling device and operate, take place to splash when liquid, the hand that splashes operating personnel easily, thereby lead to the problem that the dangerous condition that operating personnel's hand skin is corroded takes place easily, the utility model discloses rational in infrastructure, the practicality is good, can protect the operating personnel hand, it is more convenient to make operating personnel pulling sampling tube simultaneously.

Description

Analytical chemistry liquid sampling device

Technical Field

The utility model relates to an analysis chemistry liquid sampling device belongs to chemistry experiment liquid sampling equipment technical field.

Background

Analytical chemistry is a science of analytical methods and theories for studying chemical information such as composition, content, structure and morphology of substances, and is an important branch of chemistry to identify which components are contained in a substance and what components the substance is composed of, determine the relative content of each component, study the molecular structure or crystal of a substance, and often require sampling some liquids in analytical chemistry, and often operators use liquid sampling devices to sample liquids.

However, when the existing liquid sampling device is used, an operator needs to touch the sampling device with both hands to operate, and liquid splashes to the hands of the operator easily, so that the dangerous situation that the skin of the hands of the operator is corroded easily occurs, and an analytical chemical liquid sampling device is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an analysis chemistry liquid sampling device to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the practicality is good, can protect the operating personnel hand, makes operating personnel pulling sampling tube more convenient simultaneously.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an analysis chemistry liquid sampling device, includes sampling tube, sealed collection liquid bag, connection piece and spill piece, the sampling tube left end is provided with the sampling head, sampling head annular side is provided with first miniature plastic valve, sampling tube lower extreme left side is run through and is provided with the connecting pipe, connecting pipe annular side is provided with the miniature plastic valve of second, sealed collection liquid bag upper end is connected with the external screw pipe, the specification such as connection piece is provided with two, two the connection piece is located sampling tube upper and lower ends respectively, and two the relative inboard of connection piece has all seted up the draw-in groove, two the relative outside of connection piece all runs through and is provided with plastics hand screw, two the relative inboard of plastics hand screw runs through two connection pieces respectively and is located two draw-in grooves, and two the relative inboard of plastics hand screw all is provided with the connector, two the connection piece right-hand member all is provided with the plastics pole, spill piece symmetry is provided with two, two the spill piece is blocked respectively and is established both sides about sampling tube annular side centre.

Furthermore, the inner lower end of the connecting pipe is provided with an internal thread, and the upper end of the external thread pipe is positioned at the inner lower end of the connecting pipe and is screwed with the internal thread.

Furthermore, the relative inner sides of the two connectors are provided with damping rubber sheets, and the relative inner sides of the two damping rubber sheets are respectively attached to the upper end and the lower end of the sampling tube.

Furthermore, the left ends of the two concave pieces are respectively connected with the right ends of the two plastic rods.

Furthermore, the joints of the front end and the rear end of each concave piece are provided with mounting pieces, and each two mounting pieces are fixedly connected through a miniature bolt and a miniature nut.

The utility model has the advantages that: the utility model discloses an analysis chemical liquid sampling device, because of the utility model discloses the sampling head has been added, first miniature plastic valve door, the connecting pipe, the miniature plastic valve door of second, the external screw tube, sealed collection liquid bag, plastics hand screw, the connection piece, the connector, the damping sheet rubber, plastics pole and spill piece, thereby it is more convenient to make operating personnel operate the sampling tube and carry out the sample operation, can shelter from the protection to the operating personnel hand simultaneously, unscrew plastics hand screw and enable connection piece and spill piece and adjust in sampling tube annular side position, and then be convenient for protect different operating personnel hands more.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic cross-sectional view of the overall structure of a chemical liquid analyzing sampling device according to the present invention;

FIG. 2 is a schematic front view of an analytical chemical liquid sampling device according to the present invention;

FIG. 3 is an enlarged schematic view of the analytical chemical liquid sampling device of the present invention at the A position;

in the figure: 1-sampling tube, 2-sampling head, 3-first miniature plastic valve, 4-connecting tube, 5-second miniature plastic valve, 6-internal thread, 7-external thread tube, 8-sealed liquid collecting bag, 9-plastic hand screw, 10-connecting piece, 11-clamping groove, 12-connecting head, 13-damping rubber piece, 14-plastic rod, 15-concave piece, 16-mounting piece and 17-miniature bolt.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an analysis chemistry liquid sampling device, including sampling tube 1, sealed album of liquid bag 8, connection piece 10 and spill piece 15, 1 left end of sampling tube is provided with

sampling head

2, 2 annular sides of sampling head are provided with first miniature plastic valve 3, 1 lower extreme left side of sampling tube is run through and is provided with connecting

pipe

4, 4 annular sides of connecting pipe are provided with second miniature plastic valve 5, sealed album of liquid bag 8 upper end is connected with outer screw thread pipe 7, connection piece 10 isotacticity is provided with two, two connection pieces 10 are located sampling tube 1 upper and lower extreme respectively, and two connection piece 10 relative inboards have all been seted up draw-in groove 11, two connection piece 10 relative outsides all run through and are provided with plastics hand screw 9, two plastics hand screw 9 relative inboards are run through two connection pieces 10 respectively and are located two draw-in grooves 11, and two plastics hand screw 9 relative inboards all are provided with connector 12, two connection piece 10 right-hand members all are provided with plastics pole 14, spill piece 15 symmetry is provided with two, two spill piece 15 respectively the card is established in the middle upper and lower both sides of 1 annular sides of sampling tube, this design has solved original device when the use, the contact with the both hands and carry out the contact with the sample, thereby the easy dangerous condition of taking place of the operating personnel that splashes, thereby the operating personnel's of the operating device takes place, thereby the easy emergence hand trouble that takes place.

The inside lower extreme of connecting pipe 4 is provided with internal thread 6, and external screw thread pipe 7 upper end is located the inside lower extreme of connecting pipe 4, and closes mutually soon with internal thread 6 for through the internal thread 6 and the external screw thread pipe 7 that add, can be connected or the split between connecting pipe 4 and the sealed liquid bag 8 that collects.

The relative inboard of two connectors 12 all is provided with damping rubber piece 13, and the relative inboard of two damping rubber pieces 13 pastes with about the sampling tube 1 respectively mutually, and through two damping rubber pieces 13 that add, two make plastics hand-twist screw 9 can be tight with the upper and lower end top of sampling tube 1, and then make two connection pieces 10 can stably set up the upper and lower end at sampling tube 1.

The left ends of the two concave pieces 15 are respectively connected with the right ends of the two plastic rods 14, and the two concave pieces 15 can be respectively connected with the two connectors 12 through the two plastic rods 14.

The connecting parts of the front ends and the rear ends of the two concave pieces 15 are provided with mounting pieces 16, every two mounting pieces 16 are fixedly connected through a micro bolt 17 and a micro nut, and the two concave pieces 15 can be detached or mounted through the added micro bolt 17, the micro nut and the mounting pieces 16.

As an embodiment of the present invention: when an operator needs to use the device, the upper end of the external threaded pipe 7 is screwed in the connecting pipe 4 (at this time, the sealed liquid collection bag 8 is in a shriveled state), then the two concave pieces 15 are respectively clamped at the upper end and the lower end of the annular side surface of the sampling pipe 1, so that the four mounting pieces 16 can be attached to each other, the suitable positions of the two concave pieces 15 at the upper end and the lower end of the annular side surface of the sampling pipe 1 are adjusted, then the four mounting pieces 16 are screwed tightly by using the two miniature bolts 17 and the two miniature nuts, so that the two concave pieces 15 can be fixed at the upper end and the lower end of the annular side surface of the sampling pipe 1 (in the process, the two connecting pieces 10 are respectively positioned at the upper end and the lower end of the annular side surface of the sampling pipe 1), and the two plastic hand-screwed screws 9 are simultaneously screwed in opposite directions, so that the two connecting heads 12 and the two damping rubber pieces 13 can rotate in opposite directions, until the two damping rubber pieces 13 tightly push the upper end and the lower end of the annular side surface of the sampling pipe 1, so that the two concave pieces 15 are arranged at the upper end and the annular side surface of the sampling pipe 1 more stably; then the operating personnel holds the sampling tube 1 with one hand, and the top is at two concave piece 15 right-hand members, just can prevent that the sample liquid from spattering to the operating personnel hand, open first miniature plastic valve 3, aim at sample liquid with sampling head 2, another hand pulls sampling tube 1 piston rod right and can take out sample liquid to its inside, close first miniature plastic valve 3 after the extraction is accomplished, open second miniature plastic valve 5, promote sampling tube 1 piston rod left, can make sample liquid pass through connecting rod 4 and external screw thread pipe 7 and move to sealed album of liquid bag 8 in, the operating personnel of being convenient for takes off and uses.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an assay chemistry liquid sampling device, includes sampling tube (1), sealed album liquid bag (8), connection piece (10) and spill piece (15), its characterized in that: sampling tube (1) left end is provided with sampling probe (2), sampling probe (2) annular side is provided with first miniature plastic valve (3), sampling tube (1) lower extreme left side is run through and is provided with connecting pipe (4), connecting pipe (4) annular side is provided with second miniature plastic valve (5), sealed album of liquid bag (8) upper end is connected with external screw tube (7), connection piece (10) isotatic is provided with two, two connection piece (10) are located sampling tube (1) upper and lower extreme respectively, and two connection piece (10) relative inboard has all seted up draw-in groove (11), two connection piece (10) relative outside all runs through and is provided with plastics hand screw (9), two connection piece (9) relative inboard runs through two (10) respectively and is located two draw-in grooves (11), and two plastics hand screw (9) relative inboard all is provided with connector (12), two connection piece (10) right-hand member all is provided with plastics pole (14), spill piece (15) symmetry is provided with two, two spill piece (15) are spill piece (15) establish respectively in middle sampling tube (1) annular side about both sides about.

2. An analytical chemical liquid sampling device as recited in claim 1, wherein: the connecting pipe is characterized in that an internal thread (6) is arranged at the lower end inside the connecting pipe (4), and the upper end of the external thread pipe (7) is located at the lower end inside the connecting pipe (4) and is screwed with the internal thread (6).

3. An analytical chemical liquid sampling device as recited in claim 1, wherein: two the relative inboard of connector (12) all is provided with damping rubber piece (13), two the relative inboard of damping rubber piece (13) pastes with the upper and lower end respectively of sampling tube (1).

4. An analytical chemical liquid sampling device as recited in claim 1, wherein: the left ends of the two concave sheets (15) are respectively connected with the right ends of the two plastic rods (14).

5. An analytical chemical liquid sampling device as recited in claim 1, wherein: the connecting parts of the front end and the rear end of each concave piece (15) are provided with mounting pieces (16), and each two mounting pieces (16) are fixedly connected through a micro bolt (17) and a micro nut.