CN220572791U - Laboratory test solution filters with simple and easy device - Google Patents

Abstract

The utility model relates to a simple device for filtering laboratory test solutions, and belongs to the field of experimental tools for chemical analysis. The device comprises a conical filtrate collecting bottle body, a drainage tube device and a filtering funnel, wherein the drainage tube device consists of a vertical drainage tube and a curved drainage tube, the curved drainage tube is arranged on two sides of the vertical drainage tube, and an opening at the upper end of the drainage tube is arranged on the curved drainage tube; the filter funnel is inserted into the opening at the upper end of the drainage tube, the lower end of the vertical drainage tube is inserted into the bottle mouth of the conical filtrate collecting bottle body, and the upper end of the vertical drainage tube is provided with a liquid adding port and an outer spiral cover. The device can simultaneously filter the same sample test solution by using two corresponding filter funnels on two sides of the same device, or simultaneously filter and mix two different sample test solutions; reagent solution required by the experiment can be added through the liquid adding port, and meanwhile, chemical experiment is carried out; the filtrate collecting bottle is used for collecting the filtered solution, pollution and waste are avoided, and the filtrate collecting bottle can be used for storing the solution for a short time, so that the device is convenient and practical.

Description

Laboratory test solution filters with simple and easy device

Technical Field

The utility model relates to a simple device for filtering laboratory sample liquid, which is used for filtering laboratory sample liquid and belongs to the field of experimental tools for chemical analysis.

Background

In laboratory work, the most common method of operation for separating solutions from precipitations is filtration, which is a common pretreatment for experiments. When the material component detection work is carried out, a sample is heated and dissolved in a beaker, and the test solution to be detected is filtered, so that on one hand, insoluble matters and tiny particles in the solution can be removed, damage and blockage caused by the solution entering an instrument pipeline are avoided, the liquid cleanliness when the solution enters the instrument for testing is ensured to meet the instrument requirement, the effect of uniformly mixing the solvent is also achieved, and the accuracy of the material chemical component analysis is facilitated. Atmospheric filtration is the most convenient and common method in laboratory work, and is performed using a glass funnel and filter paper.

The conventional test solution filtering device has the following problems: (1) Different specifications of porosity filter papers cannot be used in the same device, and different levels of filtration can be performed simultaneously; (2) A filter funnel is generally adopted for filtering, so that the working efficiency is low, and the time is wasted; (3) Two different types of sample test solutions cannot be filtered and mixed simultaneously in the same device; (4) During the filtration process of the sample test solution, reagent solution required by the experiment cannot be added at the same time, and chemical experiments and the like can be performed at the same time.

Disclosure of Invention

In order to solve the problems, the utility model provides a simple device for filtering laboratory sample test solution, which is modified in a multifunctional way based on a traditional filtering device, and can simultaneously filter the same liquid by using two filtering funnels or simultaneously filter insoluble matters in two different solutions according to different particle sizes, and can be respectively provided with filter papers or filter membranes with different specifications of pores. And collecting filtrate, uniformly mixing and storing the test solution for a short period of time, and then carrying out the next treatment without transferring through other intermediate links. The reagent solution required by the experiment can be added simultaneously in the sample solution filtering process, so that the chemical experiment can be performed simultaneously, and pollution and waste are avoided; the filtrate collecting bottle can store solution for a short time, and the surface of the filtrate collecting bottle is provided with a label clamping groove, so that the information mark is clear and high-efficiency, clean and convenient to use.

The simple device for laboratory test solution filtration comprises a conical filtrate collecting bottle body, a drainage tube device, a filtration funnel and the like, wherein the drainage tube device consists of a vertical drainage tube and a curved drainage tube, the curved drainage tube is arranged on two sides of the vertical drainage tube, and an opening at the upper end of the drainage tube is arranged on the curved drainage tube; the filter funnel insert drainage tube upper end opening, the lower extreme of perpendicular drainage tube insert the bottleneck of toper filtrate collecting bottle body, the upper end of perpendicular drainage tube be provided with filling opening and outer spiral cover.

The curved drainage tube is symmetrically arranged at two sides of the vertical drainage tube, and the curved drainage tube comprises a main body part and a curved upward bending part which are mutually perpendicular to the vertical drainage tube.

The conical filtrate collecting bottle body is further provided with a detachable sealing rubber ring and a bottle stopper, and the vertical drainage tube is in sealing connection with the conical filtrate collecting bottle body through the sealing rubber ring. The filtrate collecting bottle can store the solution for a short period of time, and is convenient to use.

The upper part of the conical filtrate collecting bottle body is provided with a vent pipe, so that the pressure is conveniently reduced, and the smooth collection of filtrate is facilitated; the vent pipe is provided with a vent hole with an upward opening, and the vent hole is provided with a vent pipe outer rotating cover.

The side of toper filtrate collecting bottle body be equipped with the handle, conveniently get and use.

The bottle wall of the conical filtrate collecting bottle body is marked with scales, so that the volume of filtrate can be determined.

The bottle wall surface of toper filtrate collecting bottle body be equipped with the label draw-in groove, information sign is clear and definite.

The conical filtrate collecting bottle body is also provided with a bottle stopper.

Laboratory test solution filter and still include the base with simple and easy device, the base set up the lower part at the toper filtrate collecting bottle body, the device of being convenient for is stably placed.

Filtering membranes or filter papers with the same or different specifications are arranged in the filtering funnel, and insoluble substances and particulate matters with the same or different particle diameters in the solution are respectively filtered, purified and mixed.

In laboratory test solution filters with simple and easy device, toper filtrate collecting bottle body, drainage tube device and filter funnel etc. are glass material.

The simple device for filtering laboratory test solution of the utility model comprises: the filtering funnel that both sides correspond, curved drainage tube, perpendicular drainage tube, filling opening and the outer spiral cover that corresponds, toper filtrate collecting bottle, the bottle wall is last to be marked with the scale, and the bottle surface is equipped with the label draw-in groove, and the well upper portion of bottle is equipped with the outer spiral cover that ventilates and correspond, and collecting bottle side is equipped with the handle, and the collecting bottle top is equipped with detachable sealing rubber ring and bottle plug. The lower part of the filtrate collecting bottle container body is provided with a corresponding base. The same sample solution can be filtered simultaneously by using two corresponding filter funnels on two sides in the same device. The two different sample solutions can be filtered simultaneously, insoluble substances and particulate matters with different particle diameters in the solution are filtered and purified respectively through filter membranes or filter papers with different specifications in a funnel, and the insoluble substances and the particulate matters are mixed. The filtered solution is collected by adopting a filtrate collecting bottle without transferring through other intermediate links, so that pollution and waste are avoided.

The center of the upper part of the device is provided with a liquid adding port, and the device is correspondingly provided with an outer spiral cover, so that reagent solution required by the experiment can be added in the sample liquid filtering process, and the chemical experiment can be simultaneously carried out.

The device is mainly divided into an upper part and a lower part, the direction from the left side to the right side is transverse, the direction from the upper side to the lower side is vertical, the main function of the upper part of the device is filtration and liquid adding, two filtration funnels are symmetrically arranged on two sides respectively, filtration membranes (filter papers) with the same or two different specifications (pores and diameters) can be placed, a curved drainage tube is correspondingly arranged below the filtration funnels, the filtration funnels are inserted into an opening at the upper end of the drainage tube, the installation and the disassembly are convenient, a liquid adding port is arranged at the center of the upper part of the device, and an outer spiral cover is correspondingly arranged; the lower part of the device is a conical filtrate collecting bottle, scales are marked on the bottle wall, a vent hole is formed in the middle upper part of the bottle body, an outer spiral cover is correspondingly arranged on the through hole, a handle is arranged on the side face of the collecting bottle body, and a detachable sealing rubber ring and a bottle plug are arranged at the bottle opening at the top of the collecting bottle. The surface of the collecting bottle is provided with a label clamping groove, and the lower part of the filtrate collecting bottle container body is provided with a corresponding base. The specification of the filtering membrane or the filter paper used in the funnel can be changed according to specific experimental requirements and the size of the particles in the liquid.

The utility model has the following advantages: (1) This novel test solution filter equipment carries out multi-functional transformation on traditional filter equipment's basis, can make same kind of sample test solution use two filter funnels that both sides correspond simultaneously to filter at same device, perhaps carry out simultaneously to two kinds of different sample test solutions, mix, make the liquid matter reach instrument operation requirement. (2) The center of the upper part of the device is provided with a liquid adding port, and an outer spiral cover is correspondingly arranged, so that reagent solution required by the experiment can be added in the filtering process of the sample test solution, the chemical experiment can be carried out simultaneously, and the transfer is not carried out through other intermediate links, so that pollution and waste are avoided; (3) The lower part of the device adopts a filtrate collecting bottle to collect the filtered solution, and the filtrate collecting bottle can store the solution for a short time, so that the device is convenient and practical. (4) The filtrate collecting bottle side is equipped with the handle, conveniently gets the use, and upper portion is equipped with the air vent, is convenient for decompress, is favorable to the filtrate to collect smoothly. (5) The filtrate collecting bottle lower part is equipped with the base, and the device of being convenient for is stably placed, and filtrate collecting bottle surface is equipped with the label, and the sample information sign of being convenient for is clear.

Drawings

FIG. 1 is a schematic diagram of a simple device for filtering laboratory test solutions;

FIG. 2 is a schematic top view of the mouth of a filtrate collecting bottle of the simple device for laboratory test solution filtration;

fig. 3 is a schematic diagram showing the structure of a mouth of a filtrate collecting bottle of a simple device for filtering laboratory test solutions.

In the figure: 1-1, 1-2 filter funnels, 2-1, 2-2 curved drainage tubes, 3-1, 3-2 drainage tube upper end openings, 4 vertical drainage tubes, 5 liquid adding ports, 6 external screw caps, 7 conical filtrate collecting bottle mouths, 8 sealing rubber rings, 9 conical filtrate collecting bottle bodies, 10 handles, 11 label clamping grooves, 12 vent tubes, 13 vent tube external screw caps, 14 scales, 15 bases and 16 bottle stoppers.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, the simple device for laboratory test solution filtration of the utility model mainly comprises a conical filtrate collecting bottle body 9, a drainage tube device, a filtering funnel 1-1, 1-2 and the like, wherein the drainage tube device consists of a vertical drainage tube 4 and curved drainage tubes 2-1, 2-2, the curved drainage tubes 2-1 and 2-2 are respectively arranged at two sides of the vertical drainage tube 4, and upper end openings 3-1, 3-2 of the drainage tubes are respectively arranged on the curved drainage tubes 2-1, 2-2; the filter funnels 1-1 and 1-2 are inserted into the openings 3-1 and 3-2 at the upper ends of the drainage tubes, the lower end of the vertical drainage tube 4 is inserted into the bottle mouth 7 of the conical filtrate collecting bottle, and the upper end of the vertical drainage tube 4 is provided with a liquid adding port 5 and an outer spiral cover 6.

Referring to fig. 1, the curved draft tubes 2-1 and 2-2 are symmetrically disposed at both sides of the vertical draft tube 4, and the curved draft tubes 2-1, 2-2 include a main body portion perpendicular to the vertical draft tube 4 and a curved upward bent portion.

Referring to fig. 2-3, a detachable sealing rubber ring 8 and a bottle stopper 16 are further arranged on the conical filtrate collecting bottle mouth 7 of the conical filtrate collecting bottle body 9, and the vertical drainage tube 4 is in sealing connection with the conical filtrate collecting bottle body 9 through the sealing rubber ring 8. The filtrate collecting bottle can store the solution for a short period of time, and is convenient to use.

Referring to fig. 1-3, a vent pipe 12 is arranged at the upper part of the conical filtrate collecting bottle body 9, so that the pressure is conveniently reduced, and the smooth collection of filtrate is facilitated; the vent pipe 12 is provided with a vent hole with an upward opening, and the top of the vent hole is provided with a vent pipe outer spiral cover 13. The side of toper filtrate collecting bottle body 9 is equipped with handle 10, conveniently takes. The bottle wall of the conical filtrate collecting bottle body 9 is marked with scales 14, which is beneficial to defining the volume of filtrate. The bottle wall surface of the conical filtrate collecting bottle body 9 is provided with a label clamping groove 11, and the information mark is clear. The lower part of the conical filtrate collecting bottle body 9 is also provided with a base 15, so that the device is convenient to stably place. The conical filtrate collecting bottle body 9 is also provided with a bottle stopper 16. Filtering membranes or filter papers with the same or different specifications are arranged in the filtering funnels 1-1 and 1-2, and insoluble matters and particulate matters with the same or different particle diameters in the solution are respectively filtered, purified and mixed.

Referring to fig. 1-3, the simple device for filtering laboratory test solutions in this embodiment is mainly divided into an upper portion and a lower portion, and is characterized in that the direction from the left side to the right side is horizontal, the direction from the upper side to the lower side is vertical, and the whole is made of transparent glass, so that the state of filtrate can be observed conveniently. The main functions of the upper part of the device are filtration and liquid adding, two filtration funnels 1-1 and 1-2 are symmetrically arranged on two sides of the device respectively, a filter membrane (filter paper) with the same or two different specifications (pore and diameter) can be placed in the funnels, a curved drainage tube 2-1 and a curved drainage tube 2-2 are correspondingly arranged below the filtration funnels on two sides, the filtration funnels are tightly inserted into an upper end opening 3-1 of the drainage tube and an upper end opening 3-2 of the drainage tube, a liquid adding opening 5 is arranged at the center of the upper part of the device, and an outer spiral cover 6 is correspondingly arranged; the lower part of the device is a conical filtrate collecting bottle body 9, a conical filtrate collecting bottle opening 7, a detachable sealing rubber ring 8 and a bottle plug 16 are arranged at the opening, a handle 10 is arranged on the side face of the collecting bottle body, a tag clamping groove 11 is arranged at the lower part of the collecting bottle body, a vent pipe 12 and a corresponding vent pipe outer rotary cover 13 are arranged at the middle upper part of the collecting bottle body, scales 14 are marked on the bottle wall, and a corresponding base 15 is arranged at the lower part of the filtrate collecting bottle container body 9. The filtering membrane or filter paper used in the funnel can be replaced according to specific experimental requirements and the size of the particles in the liquid.

The drying device for storing the laboratory chemical samples is made of glass, and is transparent as a whole, so that filtrate can be conveniently observed. The polyether-ether-ketone is coated on the container base, so that corrosion can be prevented, and stability can be enhanced.

Referring to fig. 1-3, when the sample solution is filtered, the upper and lower parts of the device are connected, the vertical drainage tube 4 is inserted into the conical filtrate collecting bottle opening 7 through the sealing rubber ring 8, the stable fixing state is ensured, the sample information is noted on the sample label, and the label is inserted into the label clamping groove 11 on the surface of the filtrate collecting bottle. Slowly pouring the sample solution from the upper ends of two filter funnels 1-1 and 1-2 arranged on two sides, allowing the solution to pass through a filter membrane (filter paper) arranged in the filter funnels, allowing filtered filtrate to slowly flow through a vertical drainage tube 4 through a curved drainage tube 2-1 and 2-2, allowing the filtered filtrate to flow into a conical filtrate collecting bottle body 9, filtering and purifying insoluble substances and particulate matters in the solution, and collecting the filtrate for further analysis treatment. The center of the upper part of the device is provided with a liquid adding port 5, the outer spiral cover 6 is opened, and reagent solution required by the experiment can be added in the sample liquid filtering process, and the chemical experiment is carried out at the same time. The lower part of the filtrate collecting bottle container body 9 is correspondingly provided with a base 15, which is favorable for the stable placement of filtrate bottles. The side of the collecting bottle body is provided with a handle 10, which is convenient for taking the container. The bottle mouth 7 of the conical filtrate collecting bottle is provided with a bottle plug 16, and after the filtration is completed, the bottle plug 16 is covered, so that the filtrate collecting bottle can store filtrate for a short time. If the pressure in the device is increased due to the blockage of the filter membrane holes or other factors, the filtrate is difficult to flow out, the filtering speed is low, and the vent pipe outer spiral cover 13 at the upper end of the vent pipe 12 can be opened, so that the external air can flow in, and the pressure is reduced conveniently. The surface of the filtrate collecting bottle is marked with a scale 14, so that the filtrate collecting volume in the filtrate collecting bottle can be clearly judged. The solution after filtering is collected by adopting the filtrate collecting bottle without transferring through other intermediate links, so that pollution and waste are avoided, and the filtrate collecting bottle can store the solution for a short time, and is convenient and practical.

The filter membrane or filter paper with different specifications can be replaced according to specific experimental requirements and the size of particles in the liquid, so that the filter membrane or filter paper is convenient to use. The utility model carries out multifunctional transformation on the basis of the traditional filtering device, can lead the same sample test solution to be simultaneously filtered by two corresponding filtering funnels on two sides of the same device, or carries out the simultaneous filtration and the mixing of two different sample test solutions, so that the liquid quality meets the use requirement of an instrument; in the sample solution filtering process, reagent solution required by an experiment can be added through a liquid adding port arranged in the center of the upper part of the device, and chemical experiments can be simultaneously carried out; the filtrate is collected and the test solution is stored for a short period, then the next treatment is carried out, the transfer is not carried out through other intermediate links, the pollution and waste are avoided, the taking is convenient, the information identification is clear, the cleaning is carried out, and the time cost is saved.

The simple device for filtering the test solution has the following advantages that: (1) The filter papers with different specifications and porosities are used in the same device, and the filtration at different levels is carried out simultaneously; (2) The same liquid is filtered by using two filter funnels at the same time, so that the working efficiency is improved, the time cost is saved, and (3) the filtration of two different types of sample test solutions is simultaneously carried out, and the two different types of sample test solutions are mixed; (4) The reagent solution required by the experiment can be added simultaneously in the sample solution filtering process, and the chemical experiment can be carried out simultaneously; (5) collecting filtrate and storing the test solution for a short period of time; (6) The side surface of the filtrate collecting bottle is provided with a handle, so that the filtrate collecting bottle is convenient to use, and the upper part of the filtrate collecting bottle is provided with a vent, so that the pressure is reduced, and the smooth collection of filtrate is facilitated; (7) A base is arranged at the lower part of the filtrate collecting bottle, so that the device can be placed stably; (8) a label is arranged, the sample mark is clear, and the information is clear; (9) The sample test solution filtering, adding the required reagent, collecting and storing the filtrate are not transferred through other intermediate links, so that pollution and waste are avoided, and the method is efficient and clean.

Claims (10)

1. Laboratory test solution filters with simple and easy device, its characterized in that: the device comprises a conical filtrate collecting bottle body, a drainage tube device and a filtering funnel, wherein the drainage tube device consists of a vertical drainage tube and a curved drainage tube, the curved drainage tube is arranged on two sides of the vertical drainage tube, and an upper end opening of the drainage tube is arranged on the curved drainage tube; the filter funnel insert drainage tube upper end opening, the lower extreme of perpendicular drainage tube insert the bottleneck of toper filtrate collecting bottle body, the upper end of perpendicular drainage tube be provided with filling opening and outer spiral cover.

2. The laboratory test solution filtration simple apparatus according to claim 1, wherein: the curved drainage tube is symmetrically arranged at two sides of the vertical drainage tube, and the curved drainage tube comprises a main body part and a curved upward bending part which are mutually perpendicular to the vertical drainage tube.

3. The laboratory test solution filtration simple apparatus according to claim 1, wherein: the conical filtrate collecting bottle body is further provided with a detachable sealing rubber ring and a bottle stopper, and the vertical drainage tube is in sealing connection with the conical filtrate collecting bottle body through the sealing rubber ring.

4. A laboratory test solution filtration simple device according to claim 3, characterized in that: the upper part of the conical filtrate collecting bottle body is provided with a vent pipe; the vent pipe is provided with a vent hole with an upward opening, and the vent hole is provided with a vent pipe outer rotating cover.

5. The laboratory test solution filtration simple apparatus according to claim 4, wherein: the side of the conical filtrate collecting bottle body is provided with a handle.

6. The laboratory test solution filtration simple apparatus according to claim 5, wherein: the bottle wall of the conical filtrate collecting bottle body is marked with scales and a label clamping groove.

7. The laboratory test solution filtration simple apparatus according to claim 6, wherein: the conical filtrate collecting bottle body is also provided with a bottle stopper.

8. The laboratory test solution filtration simple apparatus according to claim 1, wherein: the simple device for laboratory test solution filtration further comprises a base, wherein the base is arranged at the lower part of the conical filtrate collecting bottle body.

9. The laboratory test solution filtration simple apparatus according to claim 1, wherein: filtering membranes or filter papers with the same or different specifications are arranged in the filtering funnel.

10. The laboratory test solution filtration simple apparatus according to claim 1, wherein: the conical filtrate collecting bottle body, the drainage tube device and the filter funnel are all made of glass materials.