CN212206838U

CN212206838U - Pretreatment system box for metal trace analysis

Info

Publication number: CN212206838U
Application number: CN201921630799.7U
Authority: CN
Inventors: 蔡家锟; 于洪
Original assignee: Beijing Hbh Instrument Co ltd
Current assignee: Beijing Hbh Instrument Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-12-22
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a pretreatment system box for metal trace analysis, which comprises a box body and a box cover, wherein one side of the box body is connected with one side of the box cover through a hinge, and a lock catch is arranged between the other side of the box body and the other side of the box cover; a handle is arranged in the center of one side of the box body; the bottom in the box body is provided with a box body elastic body, and the upper surface of the box body elastic body is provided with a plurality of grooves matched with different appliances and reagent bottles of the metal trace analysis pretreatment system; a flexible cover elastic body is arranged on the top in the cover. The utility model has the advantages that: various fragile appliances are held and fixed through an elastic groove in the box body; the top of the instrument is clamped and fixed through the elastic foam body arranged at the top of the box cover, so that the leakage of liquid transfer caused by the breakage of the instrument is avoided; by adopting the double-layer structure, the capacity of placing the appliance is increased, the structure is compact, the structure is simple, the carrying and the use are convenient, and the working efficiency and the operation safety are improved.

Description

Pretreatment system box for metal trace analysis

Technical Field

The utility model relates to a processing system case before metal trace analysis, mainly used place various reagent bottles and the utensil of processing system before metal trace analysis.

Background

Trace analysis of metallic elements is frequently encountered in daily life. The exceeding of the metal content in food and medicine can directly affect the health of people: the content of metals in water, soil and solid waste exceeds the standard, so that the environment is polluted, natural organisms are damaged, and the daily life of people is influenced finally; the exceeding of the metal content of daily necessities (toys, textiles and the like) can directly shadow II on the health of people: in the manufacturing process of industrial products (steel materials, mechanical equipment and the like), improper control of the proportion of metal components directly influences parameters such as material strength of the industrial products and further influences the service life of the industrial products. Therefore, the trace analysis of the metal elements plays an important role in the healthy life and living environment of people.

In a traditional trace analysis laboratory, a crushed sample is usually digested into a liquid state by adding various strong acids, strong oxidants and other reagents through modes of electric heating, high-temperature microwave digestion and the like, then the volume is determined or diluted, and finally the treated sample is analyzed for the metal content by methods of ultraviolet visible spectrophotometry (UV), Atomic Absorption Spectroscopy (AAS), Atomic Fluorescence (AFS), Inductively Coupled Plasma (ICP), X-ray fluorescence spectrometry (XRF), inductively coupled plasma mass spectrometry (ICP-MS) and the like.

In the sample digestion process (such as the measurement of the metal content in food), a bottleneck distributor is adopted to sequentially add quantitative chemical reagents such as nitric acid, hydrogen peroxide, hydrochloric acid and the like into a digestion tube according to the experimental steps for pretreatment. A variety of reagents and other trace analysis tools are used, such as volumetric flasks, reagent bottles, wash bottles, etc. Various instruments and reagents do not have special packing cases, and split charging needs to be prepared in advance, so that time and labor are wasted; and the packaged instruments and reagent liquid are not easy to carry. As the appliances are mostly glass products, the appliances are easy to break in the carrying process; the reagent components used are often corrosive strong acid and strong base, which is dangerous.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a processing system case before metal trace analysis to solve the above-mentioned problem that prior art exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a pretreatment system box for metal trace analysis; the box comprises a box body and a box cover, wherein one side of the box body is connected with one side of the box cover through a hinge, and a lock catch is arranged between the other side of the box body and the other side of the box cover; a handle is arranged in the center of one side of the box body; the bottom in the box body is provided with a box body elastic body, the upper surface of the box body elastic body is provided with a plurality of grooves matched with different appliances and reagent bottles of a metal trace analysis pretreatment system and an upper structure body placing groove, an upper structure body made of the same material is embedded in the upper structure body placing groove, and the upper surface of the upper structure body is provided with a plurality of K grooves; the bottom surface of the upper structure body placing groove is provided with a lower groove for placing different detection devices.

As a preferred embodiment of the present invention, the box body and the box cover are made of plastic or metal, and the outer sides of the corners are respectively provided with a metal covering edge and a metal wrap angle; spherical grooves are distributed on the lower surface of the elastic body of the box cover.

As a preferred embodiment of the present invention, the hinge is a hinge with a support ring.

As a preferred embodiment of the present invention, a soft elastic body of the case cover is arranged on the top inside the case cover, and the elastic body of the case cover is made of soft sponge; the box body elastic body is made of hard sponge or polyester foam materials.

As an optimized embodiment, the recess of the upper surface of box elastomer including the A groove that is used for placing low capacity PFA high accuracy volumetric flask, a B groove for placing high capacity PFA high accuracy volumetric flask, a C groove for placing PFA wash bottle, a D groove for placing PFA reagent bottle, a F groove for placing the fluid-discharge tube, a G groove for placing the anti-falling base, an H groove for placing super large capacity PFA high accuracy volumetric flask, an I groove for placing bottleneck conversion interface, a J groove for placing the migration pipe and a K groove for placing the bottleneck distributor.

The utility model has the advantages that: various fragile appliances are held and fixed through an elastic groove in the box body; the top of the instrument is clamped and fixed through the elastic foam body arranged at the top of the box cover, so that the leakage of liquid transfer caused by the breakage of the instrument is avoided; by adopting the double-layer structure, the capacity of placing the appliance is increased, the structure is compact, the structure is simple, the carrying and the use are convenient, and the working efficiency and the operation safety are improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a rear view of FIG. 1;

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a schematic view of the cover of FIG. 3 in an open position;

FIG. 5 is a top plan view of the housing portion of FIG. 1;

3 FIG. 3 6 3 is 3 a 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 5 3; 3

FIG. 7 is a plan view of FIG. 5 with the superstructure removed;

FIG. 8 is a cross-sectional view B-B of FIG. 7;

FIG. 9 is a top view of the superstructure of FIG. 6;

FIG. 10 is a cross-sectional view C-C of FIG. 9;

fig. 11 is a schematic sectional view of the box cover of the present invention.

Description of reference numerals: 1. a box body 2, a box cover 21, a box cover elastic body 22, a spherical groove 3, a handle 4, a lock catch 5, a metal wrap angle 6, a metal wrapping edge 7, a hinge with a support ring 8, a box body elastic body 80, an upper structure body placing groove 81, a groove (be used for placing low capacity PFA high accuracy volumetric flask), 82, B groove (be used for placing high capacity PFA high accuracy volumetric flask), 83, C groove (be used for placing PFA wash-bottle), 84, D groove (be used for placing PFA reagent bottle), 85, F groove (be used for placing the fluid-discharge tube), 86, G groove (be used for placing and prevent down the base), 87, H groove (be used for placing super large capacity PFA high accuracy volumetric flask), 88, I groove (be used for placing bottleneck conversion interface), 89, J groove (be used for placing the migration pipe), 9, upper structure, 91, K groove (be used for placing bottleneck distributor).

Detailed Description

Referring to fig. 1-11, the utility model relates to a pretreatment system box for metal trace analysis, which comprises a box body 1 and a box cover 2, wherein one side of the box body 1 is connected with one side of the box cover 2 through a hinge 7, and a lock catch 4 is arranged between the other side of the box body 1 and the other side of the box cover 2; a handle 3 is arranged in the center of one side of the box body 1; the bottom in this box 1 is equipped with box elastomer 8, is equipped with a plurality of recesses with different utensils and the reagent bottle complex of metal trace analysis pretreatment system on the upper surface of this box elastomer 8, and these recesses are: five cylindrical A grooves 81 that are used for placing low capacity PFA (meltable polytetrafluoroethylene) high accuracy volumetric flask, five cylindrical B grooves 82 that are used for placing high capacity PFA high accuracy volumetric flask, a C groove 83 that is used for placing the dumbbell shape of PFA wash-bottle, four cylindrical D grooves 84 that are used for placing PFA reagent bottle, the F groove 85 that is used for placing the fluid-discharge tube of four rectangles, a cylindrical G groove 86 that is used for placing the anti-falling base, two cylindrical H grooves 87 that are used for placing super large capacity PFA high accuracy volumetric flask, two rows of six respectively are used for placing cylindrical I grooves 88 of bottleneck conversion interface and are located a long rectangular J groove 89 that is used for placing the reflux pipe between two rows of I grooves 88.

A soft case cover elastic body 21 is arranged at the top part in the case cover 2; spherical grooves 22 are distributed on the lower surface of the box cover elastic body 21.

The box body 1 and the box cover 2 are made of plastic or metal, and the outer sides of all corners are respectively provided with a metal wrapping edge 6 and a metal wrapping angle 5.

An upper structure body placing groove 80 is formed in the upper surface of the box body elastic body 8, an upper structure body 9 is embedded in the upper structure body placing groove 80, and a K groove 91 for placing a bottle mouth distributor is formed in the upper surface of the upper structure body 9; the upper structure 9 and the box body elastic body 8 are made of the same material; the lower-stage grooves for placing different detection devices are provided on the bottom surface of the upper-stage structure placement groove 80, and the lower-stage grooves are the two rows of I-grooves 88 and the J-groove 89 therebetween.

The hinge 7 adopts a hinge with a support ring, and can also adopt a common hinge.

The box cover elastic body 21 is made of soft sponge, and the box body elastic body 8 is made of hard sponge or polyester foam material.

When the utility model is used, various appliances and reagent containers are placed in the corresponding grooves on the upper surface of the box body elastic body 8, and the elasticity of the box body elastic body 8 is utilized to clamp tightly. When the portable multifunctional box cover is carried, the box cover 2 is covered, the lock catch 4 is fastened, and the soft box cover elastic body 21 in the box cover 2 is pressed on the tops of the instrument and the reagent container and is held tightly, so that the instrument and the reagent container are prevented from shaking and being damaged. When the box cover 2 is used, the box cover 2 is opened, and is supported and positioned by the support ring 71 of the hinge 7, so that the box body 1 is prevented from toppling over due to the transitional opening of the box cover 2 (as shown in fig. 4).

Claims

1. A pretreatment system box for metal trace analysis is characterized by comprising a box body (1) and a box cover (2), wherein one side of the box body (1) is connected with one side of the box cover (2) through a hinge (7), and a lock catch (4) is arranged between the other side of the box body (1) and the other side of the box cover (2); a handle (3) is arranged in the center of one side of the box body (1); a box body elastic body (8) is arranged at the bottom in the box body (1), a plurality of grooves matched with different instruments and reagent bottles of a metal trace analysis pretreatment system and an upper-layer structure placing groove (80) are arranged on the upper surface of the box body elastic body (8), an upper-layer structure body (9) made of the same material is embedded in the upper-layer structure body placing groove (80), and a K groove (91) is arranged on the upper surface of the upper-layer structure body (9); the bottom surface of the superstructure mounting groove (80) is provided with a lower groove for mounting different detection devices.

2. The pretreatment system box for metal trace analysis according to claim 1, wherein the box body (1) and the box cover (2) are made of plastic or metal, and a metal edge cover (6) and a metal wrap angle (5) are respectively arranged on the outer sides of each corner.

3. The pretreatment system box for metal trace analysis according to claim 1, wherein the hinge (7) is a hinge with a support ring.

4. The pretreatment system box for metal trace analysis according to claim 1, wherein a flexible box cover elastic body (21) is provided on the top inside the box cover (2).

5. The pretreatment system box according to claim 4, wherein spherical grooves (22) are distributed on the lower surface of the box cover elastic body (21).

6. The pretreatment system box for metal trace analysis according to claim 5, wherein the box cover elastic body (21) is made of soft sponge.

7. The pretreatment system box for metal trace analysis according to claim 1, wherein the box body elastic body (8) is made of a hard sponge or polyester foam material.

8. The pretreatment system box for metal trace analysis according to claim 1, wherein the grooves on the upper surface of the box body elastic body (8) comprise an A groove (81) for placing a low-capacity meltable polytetrafluoroethylene high-precision volumetric flask, a B groove (82) for placing a high-capacity meltable polytetrafluoroethylene high-precision volumetric flask, a C groove (83) for placing a meltable polytetrafluoroethylene bottle, a D groove (84) for placing a meltable polytetrafluoroethylene reagent bottle, an F groove (85) for placing a drain pipe, a G groove (86) for placing an anti-falling base, and an H groove (87) for placing an ultra-high-capacity meltable polytetrafluoroethylene high-precision volumetric flask; the lower layer groove is as follows: an I groove (88) for placing a bottle mouth conversion interface and a J groove (89) for placing a whirling flow pipe.