CN217368446U

CN217368446U - Small-size injection type filters beaker

Info

Publication number: CN217368446U
Application number: CN202220466068.9U
Authority: CN
Inventors: 赵艳; 谢艳艳; 胡梦桥; 白晓艳; 程紫辉; 高燕; 付娜
Original assignee: Guobiao Beijing Testing & Certification Co ltd
Current assignee: Guobiao Beijing Testing & Certification Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-09-06
Anticipated expiration: 2032-03-04

Abstract

The utility model provides a beaker is filtered to small-size injection formula, including the beaker container with be used for stabilizing the beaker base of beaker, the bottom of beaker container is equipped with the protrusion opening that is used for external micropore filtration membrane head to carry out filtering operation, and the protrusion opening part is equipped with the outer spiral cover that matches with it, and the well upper portion of beaker container is equipped with detachable injection push rod, and the injection push rod includes injection piston, injection joint pole and push pedal, and injection piston and push pedal set up respectively in the upper and lower both ends of injection joint pole. The utility model discloses combine together traditional beaker and the filterable characteristics of injection formula, adopt the integral structure, can make the sample dissolve and impurity filters and realize in same container, raise the efficiency, save time cost and labour cost.

Description

Small-size injection type filters beaker

Technical Field

The utility model belongs to the laboratory glassware field for chemical analysis especially relates to a small-size injection formula filters beaker.

Background

The beaker is a common glass vessel in a laboratory and is mainly used for holding, evaporating, concentrating or heating a solution and dissolving and reacting the substance. After a sample is dissolved in the conventional beaker, the obtained liquid needs to be subjected to next filtration treatment, and insoluble micro impurities or particles are separated from the liquid so as to ensure that no residual particles exist in the liquid, especially in a medical high-precision instrument. The cleanliness of liquid quality in the process of entering an instrument for testing cannot meet the requirement of high cleanliness, and equipment such as a compressor, a pump, an instrument and the like can be damaged; if the filtering precision is not up to the requirement, a little fine impurity enters into the instrument, thereby affecting the service life of the instrument.

Microfiltration membranes, typically having a pore size of 0.22um or 0.45um or finer, are often the choice of pre-filtration treatment of the sample. The adsorption is small, the mechanical strength of the membrane is high, the membrane can bear high-temperature liquid, the level of extractables is low, and the requirements of high cleanliness, high quality speed and good reproducibility of sample analysis are favorably met in quantitative chemical analysis, particularly in the analysis process of chromatographic instruments. And (3) sucking the liquid by using an economical syringe, applying a certain pressure to push the liquid to be filtered through the filtering membrane hole, and performing the next on-machine test operation on the filtrate. Typically, the larger volume syringe is 50 ml or 100 ml and the glass wall surface has a graduated indication of the volume of liquid.

The injection type filtering beaker is used for dissolving and filtering a sample in the same container, is not transferred through other intermediate links, can avoid pollution and waste, and can ensure the accuracy and traceability of the quantity value of the solution particularly when liquid metrological characteristic preparation and test experiments are carried out.

In conclusion, how to complete sample dissolution and filtration at one time, achieve the purposes of high efficiency, cleanness and time and cost saving, ensure the integrity of an analysis sample, improve the accuracy and maximize the economic benefit becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a small-size injection formula that laboratory sample dissolved and can filter usefulness filters beaker is provided, and this beaker adopts the integral structure, can realize once only accomplishing the sample and dissolve and filter, avoids carrying out liquid transfer through other intermediate links and the sample pollution and the waste that cause, and is high-efficient, clean, save time and labour cost. The method strictly follows the scientific method of analytical chemistry requirements, ensures the integrity of the analytical sample and improves the accuracy.

In order to overcome a series of defects that prior art exists, the utility model aims to the above-mentioned problem, provide a beaker is filtered to small-size injection formula, including beaker container 4 and beaker base 1 that is used for stabilizing the beaker, a serial communication port, the bottom of beaker container 4 is equipped with the protrusion opening 2 that is used for external micropore membrane head to carry out filtering operation, protrusion opening 2 department is equipped with the outer spiral cover 3 that matches with it, the well upper portion of beaker container 4 is equipped with detachable injection push rod, injection push rod includes injection piston 5, injection joint pole 6 and push pedal 8, injection piston 5 and push pedal 8 set up respectively in the upper and lower both ends of injection joint pole 6.

Preferably, the side wall of the beaker container 4 is marked with a scale.

Preferably, a pulling plate 7 is arranged at the upper end edge of the beaker container 4.

Preferably, the material of the beaker container 4 is transparent glass.

Preferably, the outer wall of the top of the beaker base 1 is provided with a groove in interference fit with the protruding opening 2.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1) the utility model provides a small injection type filtering beaker, which combines the characteristics of the traditional beaker and the injection type filtering and adopts an integrated structure, so that the sample dissolution and the impurity filtering can be realized in the same container, the efficiency is improved, and the time cost and the labor cost are saved;

2) the utility model provides a beaker is filtered to small-size injection formula does not pass through other intermediate links and shifts, avoids polluting and extravagant through the sample that liquid shifted and cause, and is high-efficient, clean integrality, the improvement accuracy of guaranteeing the analysis sample.

Drawings

Fig. 1 is a schematic view of the overall structure of a small injection type filtering beaker according to the present invention;

FIG. 2 is a schematic structural view of an injection push rod in a small injection type filtering beaker according to the present invention;

fig. 3 is a top view of a beaker base 1 and a beaker container 4 in a small injection type filtering beaker according to the present invention.

The reference numbers in the figures are:

1-a beaker base, 2-a protrusion opening, 3-an external screw cap, 4-a beaker container, 5-an injection piston, 6-an injection connecting rod, 7-a pulling plate and 8-a pushing plate.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention.

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.

The embodiments and the orientational words described below by referring to the drawings are all illustrative and intended to explain the present invention, and should not be construed as limiting the present invention.

In a broad embodiment of the utility model, a small-size injection formula filters beaker, including beaker container 4 and the beaker base 1 that is used for stabilizing the beaker, its characterized in that, the bottom of beaker container 4 is equipped with the protrusion opening 2 that is used for external micropore membrane filtration head to carry out filtering operation, protrusion opening 2 department is equipped with the outer spiral cover 3 that matches with it, the well upper portion of beaker container 4 is equipped with detachable injection push rod, injection push rod includes injection piston 5, injection joint pole 6 and push pedal 8, injection piston 5 and push pedal 8 set up respectively in the upper and lower both ends of injection joint pole 6.

Preferably, the side wall of the beaker container 4 is marked with a scale.

Preferably, the material of the beaker container 4 is transparent glass.

The present invention will be described in further detail with reference to the accompanying drawings, which illustrate preferred embodiments of the present invention.

1-3, a small injection filtration beaker comprises a beaker base 1 for stabilizing a beaker container 4 in use, with the lateral direction from the left to the right and the vertical direction from the upper to the lower side; the bottom of beaker container 4 is equipped with protrusion opening 2, be used for external millipore filtration membrane head to carry out filtering operation, protrusion opening 2 department is equipped with the outer spiral cover 3 that matches with it, beaker container 4's beaker wall is marked with the scale, beaker container 4 upper end edge is equipped with arm-tie 7, there is injection push rod upper portion in the beaker container 4, injection push rod can be taken out alone, insert the beaker during use and carry out the push-and-pull use, injection push rod one end is equipped with injection piston 5, piston connection has injection linking pipe pole 6, the top of pull rod is equipped with the push pedal 8 of injection usefulness.

When a sample is dissolved, checking whether the external rotary cover 3 of the convex opening 2 is screwed down to ensure that the beaker container 4 is in a sealed state to prevent liquid leakage, tightly placing the beaker container 4 on the beaker base 1 to ensure a stable and fixed state, taking out the injection push rod at the moment, placing the beaker container 4 in a good state on an electric furnace to dissolve the high-temperature sample, taking down the beaker container 4 filled with the sample solution to cool at room temperature after the sample is dissolved, inserting the injection push rod into the beaker container 4 after cooling, pushing in the injection piston 5 to enable the liquid in the beaker container 4 to be in an integrally sealed state, taking down the beaker base 1, turning the bottom of the beaker container 4 vertically upwards and integrally upside down, then taking down the external rotary cover 3, tightly inserting the corresponding external microporous filter membrane into the convex opening 2 to check the connection tightness degree, then vertically standing the whole, vertically downwards injecting the push rod, and (3) applying a certain external force to extrude the liquid through the microporous filter membrane to filter the liquid at a microporous level, connecting the other end of the microporous filter membrane head with the sample bottle, and connecting the filtered liquid into the sample bottle to perform the next testing operation. At the moment, the liquid quality requirement of high cleanliness is met by replacing the microporous filter membranes with different pore diameters by 0.22um or 0.45um or finer grades.

In this example, when the liquid is stuck on the wall of the beaker and needs to be washed with water, the injection push rod can be repeatedly taken out, a certain amount of water is blown into the wall of the beaker, then the injection push rod is inserted into the beaker container 4 for repeated push-and-pull use, the liquid is extruded out through the microporous filter membrane under the action of external force, and the obtained filtrate is collected in a sample bottle, so that the sample has no residue.

Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a beaker is filtered to small-size injection formula, includes beaker container (4) and beaker base (1) that is used for stabilizing the beaker, a serial communication port, the bottom of beaker container (4) is equipped with protrusion opening (2) that are used for external micropore membrane head to carry out filtering operation, protrusion opening (2) department is equipped with outer spiral cover (3) that matches with it, the well upper portion of beaker container (4) is equipped with detachable injection push rod, injection push rod includes injection piston (5), injection joint pole (6) and push pedal (8), injection piston (5) and push pedal (8) set up respectively in the upper and lower both ends of injection joint pole (6).

2. A small injection filtration beaker according to claim 1, characterized in that the side wall of said beaker vessel (4) is graduated.

3. A small injection filtration beaker according to claim 1, characterized in that said beaker vessel (4) is provided at its upper end edge with a pulling plate (7).

4. A small injection filtration beaker according to claim 1, characterized in that said beaker vessel (4) is made of transparent glass.

5. A small injection filtering beaker according to claim 1, characterized in that the top external wall of the base (1) of the beaker is provided with a groove which is in interference fit with the protruding opening (2).