CN214319296U

CN214319296U - Sample filtering device for instrument analysis

Info

Publication number: CN214319296U
Application number: CN202120009451.7U
Authority: CN
Inventors: 李敦毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-10-01
Anticipated expiration: 2031-01-05

Abstract

The utility model provides a sample filtering device for instrument analysis, which comprises a filtering cover, a dumping ring, a collecting chamber, a filtering hopper, a vacuum pump and a first isolation plate, wherein the upper surface of the dumping ring is provided with the filtering cover, the lower surface of the dumping ring is provided with an electric push rod, the left end surface of the electric push rod is provided with the first isolation plate, the lower surface of the dumping ring is provided with a second electric push rod, the right end surface of the second electric push rod is provided with the second isolation plate, the lower surface of the first isolation plate is provided with a fixing ring, and the inner side of the fixing ring is provided with the filtering hopper, compared with the prior art, the utility model increases the vacuum pump, the first isolation plate, the second isolation plate and the filtering hopper, thereby realizing the increase of the filtering speed of a sample by utilizing pressure difference, simultaneously preventing the filtering residue from being blocked to cause the filtering effect, and the filtering paper can be fixed by the filtering hopper even if the filtering speed is larger, the filter paper is prevented from being broken by the sample.

Description

Sample filtering device for instrument analysis

Technical Field

The utility model belongs to sample filter equipment field, in particular to sample filter equipment for instrument analysis.

Background

At present, instrumental analysis is an important branch of chemical discipline, and is an analytical method established on the basis of physical and physicochemical properties of substances, and the substances are qualitatively, quantitatively and morphologically analyzed by using a special instrument. The analysis methods of the instrument include many analysis methods, at present, dozens of analysis methods, and each analysis method is based on different principles, different physical quantities to be measured, and different operation processes and application conditions.

However, when a chemical experiment is performed, a chemical solution sometimes needs to be filtered, and the existing filtering device is a funnel and a filter paper, but the filtering area of the funnel is fixed and relatively small, so that the filtering speed is relatively slow, the filtering time is relatively long, the normal operation of the experiment is influenced, and meanwhile, due to the fact that impurities exist in the filtered liquid, the impurities may be attached to the surface of the filter paper or the bottom of a filtering instrument in the filtering process, and the problem of unsmooth and blockage of the filtrate circulation is caused.

Accordingly, there is a need for a sample filtration device for instrumental analysis.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for instrument analysis's sample filter equipment, through increasing vacuum pump, division board, No. two division boards and filter hopper to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a sample filtering device for instrument analysis comprises a filtering cover, an overturning ring, a collecting chamber, a filtering hopper, a vacuum pump and a first isolating plate, wherein the upper surface of the overturning ring is provided with the filtering cover, the lower surface of the overturning ring is provided with a first electric push rod, the left end surface of the first electric push rod is provided with the first isolating plate, the lower surface of the overturning ring is provided with a second electric push rod, the right end surface of the second electric push rod is provided with the second isolating plate, the lower surface of the first isolating plate is provided with a fixing ring, the inner side of the fixing ring is provided with the filtering hopper, the circumferential surface of the filtering hopper is fixedly provided with a fixing block, the lower surface of the fixing ring is provided with the collecting chamber, the left end surface of the collecting chamber is provided with the vacuum pump, the right end surface of the vacuum pump is provided with an air suction opening, the upper end surface of the vacuum pump is provided with an air outlet, the right end surface of the collecting chamber is provided with a material outlet, and a discharging cover is arranged on the right end face of the discharging opening.

Furthermore, the contact surface of the filtering cover and the dumping ring is provided with locking threads, the circumferential surface of the fixing block is provided with fixing threads, and the inner side of the fixing ring is also provided with fixing threads.

Furthermore, the first isolation plate and the second isolation plate are attached to each other, the dumping ring and the filter hopper are in an inverted triangle shape, and the first isolation plate and the second isolation plate are arranged at the joint of the dumping ring and the filter hopper.

Furthermore, fastening threads are formed on the inner side of the discharge cover, and fastening threads are also formed on the outer side surface of the discharge opening.

Further, the extraction opening runs through the right end face of the vacuum pump and the left end face of the collection chamber, and the vacuum pump is installed at the uppermost end of the left end face of the collection chamber.

The utility model has the advantages that: the utility model discloses an increase vacuum pump, division board, No. two division boards and filter hopper, realize utilizing the pressure differential can increase the filter speed of sample, prevent simultaneously that the filter residue from plugging up filter paper and making the filter effect not good to even filter speed is great also can be by the fixed filter paper of filter hopper, prevent that filter paper from being broken by the sample.

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 diagram of the overall structure of a sample filtering device for instrumental analysis according to the present invention;

FIG. 2 is a front view of a sample filtration device for instrumental analysis according to the invention;

FIG. 3 is a filter assembly of a sample filter assembly for instrumental analysis according to the invention;

in the figure: 1-a filter cover, 2-a dumping ring, 3-a first electric push rod, 4-a first isolation plate, 5-a second electric push rod, 6-a second isolation plate, 7-a vacuum pump, 8-an air suction port, 9-an exhaust port, 10-a fixing ring, 11-a fixing thread, 12-a filter hopper, 13-a collection chamber, 14-a discharge cover, 15-a discharge port and 16-a fixing block.

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: a sample filtering device for instrument analysis comprises a filtering cover 1, a pouring ring 2, a collecting chamber 13, a filtering hopper 12, a vacuum pump 7 and a first isolation plate 4, wherein the filtering cover 1 is installed on the upper surface of the pouring ring 2, a first electric push rod 3 is installed on the lower surface of the pouring ring 2, the first isolation plate 4 is installed on the left end face of the first electric push rod 3, a second electric push rod 5 is installed on the lower surface of the pouring ring 2, a second isolation plate 6 is installed on the right end face of the second electric push rod 5, a fixing ring 10 is installed on the lower surface of the first isolation plate 4, the filtering hopper 12 is installed on the inner side of the fixing ring 10, a fixing block 16 is fixed on the circumferential surface of the filtering hopper 12, the collecting chamber 13 is installed on the lower surface of the fixing ring 10, the vacuum pump 7 is installed on the left end face of the collecting chamber 13, an air exhaust opening 8 is formed in the right end face of the vacuum pump 7, an exhaust opening 9 is formed in the upper end face of the vacuum pump 7, a discharge opening 15 is formed in the right end surface of the collection chamber 13, and a discharge cover 14 is attached to the right end surface of the discharge opening 15.

The contact surface of the filter cover 1 and the dumping ring 2 is provided with locking threads, the circumferential surface of the fixing block 16 is provided with fixing threads 11, and the inner side of the fixing ring 10 is also provided with fixing threads 11.

No. one division board 4 and No. two division boards 6 paste each other tightly, empty ring 2 and filter hopper 12 shape for falling the triangle, No. one division board 4 and No. two division boards 6 are installed and are being emptyd the ring 2 and filter hopper 12 junction.

The inner side of the discharge cover 14 is provided with fastening threads, and the outer side surface of the discharge opening 15 is also provided with fastening threads.

The suction port 8 penetrates through the right end surface of the vacuum pump 7 and the left end surface of the collection chamber 13, and the vacuum pump 7 is mounted at the uppermost end of the left end surface of the collection chamber 13.

As an embodiment of the present invention: firstly, unscrewing a filter cover 1, installing filter paper on a filter hopper 12, opening and controlling a first electric push rod 3 and a second electric push rod 5 to extend to enable a first isolation plate 4 to be tightly attached to a second isolation plate 6, checking whether the first isolation plate 4 and the second isolation plate 6 are tightly attached to ensure that a dumping ring 2 is isolated from a collection chamber 13, then checking whether a discharging cover 14 is tightly attached, opening a vacuum pump 7 after checking is finished, enabling the vacuum pump 7 to enable air in the collection chamber 13 to pass through an air suction port 8 and an air exhaust port 9 to be discharged out of the collection chamber 13, reducing the air in the collection chamber 13, enabling the external air pressure to be higher than the air pressure in the collection chamber 13, dumping a sample to be filtered into the dumping ring 2, controlling the first electric push rod 3 and the second electric push rod 5 to be shortened, enabling the first isolation plate 4 to be separated from the second isolation plate 6 to enable the collection chamber 13 to be communicated with the dumping ring 2, since the pressure difference causes air to push the sample through the filter hopper 12 into the collection chamber 13, the air generates a large boosting force on the sample, so that the sample is filtered more quickly, and the filter hopper 12 can ensure that the filter paper is not broken due to the too fast flow rate of the sample, and when the sample completely enters the collection chamber 13, the discharge cover 14 is unscrewed and the discharge cover 14 is opened, and then the filtered sample is discharged from the discharge port 15.

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 of the invention. 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 a sample filter equipment for instrumental analysis, includes filter lid, pours ring, collection room, filter funnel, vacuum pump and division board No. one, its characterized in that: the utility model discloses a filter device, including toppling over the ring, the last surface mounting who topples over the ring has the filtration lid, the lower surface mounting who topples over the ring has an electric push rod, the left end face of an electric push rod installs the division board No. one, the lower surface mounting who topples over the ring has No. two electric push rods, No. two division boards are installed to the right-hand member face of No. two electric push rods, the lower surface mounting of division board has solid fixed ring, gu filter hopper is installed to solid fixed ring's inboard, the circumference of filter hopper is fixed with the fixed block on the surface, gu fixed ring's lower surface mounting has the collecting chamber, the vacuum pump is installed to the left end face of collecting chamber, the extraction opening has been seted up to the right-hand member face of vacuum pump, the gas vent has been seted up to the upper end face of vacuum pump, the blowdown lid is installed to the right-hand member face of bin outlet.

2. A sample filtration device for instrumental analysis in accordance with claim 1, wherein: the filter cover and the contact surface of the dumping ring are both provided with locking threads, the circumferential surface of the fixing block is provided with fixing threads, and the inner side of the fixing ring is also provided with fixing threads.

3. A sample filtration device for instrumental analysis in accordance with claim 1, wherein: the first isolation plate and the second isolation plate are mutually attached tightly, the dumping ring and the filter hopper are in an inverted triangle shape, and the first isolation plate and the second isolation plate are arranged at the joint of the dumping ring and the filter hopper.

4. A sample filtration device for instrumental analysis in accordance with claim 1, wherein: fastening threads are formed on the inner side of the discharging cover, and fastening threads are also formed on the outer side surface of the discharging opening.

5. A sample filtration device for instrumental analysis in accordance with claim 1, wherein: the extraction opening runs through the right end face of the vacuum pump and the left end face of the collection chamber, and the vacuum pump is installed at the uppermost end of the left end face of the collection chamber.