CN219038512U

CN219038512U - Novel sample loading and filtering device

Info

Publication number: CN219038512U
Application number: CN202223362486.2U
Authority: CN
Inventors: 蔡勇; 汤毅
Original assignee: Asman Technology Shanghai Co ltd
Current assignee: Asman Technology Shanghai Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-16
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a novel sample loading and filtering device, which relates to the technical field of filtering devices and comprises a filtering device body, wherein a sampling tube is arranged on one side of the filtering device body, and a conical head is arranged on the other side of the filtering device body. Before the large-volume liquid sample is absorbed and enters the solid-phase extraction instrument, the front end of the sampling tube is additionally provided with the filter device body, the filter device body is used for filtering the liquid sample, when the water sample is absorbed, the liquid sample can be absorbed into the instrument through the sample introduction channel, the liquid sample can be absorbed, the tiny particles can be prevented from entering the instrument while being absorbed into the instrument, the influence of the tiny particles in the water sample on the instrument can be greatly reduced, the service life of the instrument is effectively prolonged, the normal operation of the instrument and the accuracy of experiments are further ensured, and the device can timely absorb the large-volume liquid sample, so that the filter device has the advantages of simple replacement, low price and strong practicability.

Description

Novel sample loading and filtering device

Technical Field

The utility model relates to the technical field of filter devices, in particular to a novel sample loading filter device.

Background

The full-automatic solid phase extraction instrument is a set of solid phase extraction instrument which is derived from a liquid treatment platform and can automatically operate a solid phase extraction method under the unattended condition. The method comprises the steps of activating SPE cartridge, loading, cleaning and eluting by solid phase extraction, and switching samples. Activating: impurities in the SPE cartridge are removed by washing with solvent and a certain solvent environment is created. Loading: the sample was dissolved with a certain solvent, transferred into the column and the components were retained on the SPE cartridge. Leaching: the SPE cartridge was rinsed with various solvents to maximize removal of the interfering substances. Eluting: the test substance was eluted from the SPE cartridge with a volume of solvent and collected.

The automatic solid phase extraction instrument convenient for collecting waste liquid disclosed in Chinese patent CN211877572U has the advantages of convenient use, simple operation, good extraction effect and waste liquid collecting function, and the following problems are caused when the automatic solid phase extraction instrument is used:

because the existing automatic solid phase extraction instrument is aimed at an environmental water sample when the sample is loaded in a large volume, the water sample during loading is not filtered, fine particles in the water sample can damage the solid phase extraction instrument, so that a pipeline of the instrument is easily scratched, SPE small columns are blocked, a valve body is easily damaged, and the protection effect on an instrument device is poor.

Disclosure of Invention

The utility model aims to provide a novel loading and filtering device which solves the technical problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel sample loading filter device, includes the filter device body, one side of filter device body is provided with the sampling tube, the opposite side of filter device body is provided with the cone, the bar notch has been seted up to the bottom of cone, the inside of filter device body is provided with the sampling channel, the inside groove has been seted up to the inside of filter device body, one side fixedly connected with connector of sampling tube, one side fixedly connected with filter of connector.

Preferably, the sample injection channel corresponds to the liquid suction port of the sampling tube.

Preferably, the sample introduction channel and the inner groove are communicated with each other, and the sample introduction channel and the inner groove penetrate through the filter body and the inside of the cone head.

Preferably, the connector and the filter plate are located inside the inner tank.

Preferably, one side of the sampling tube, which is close to the connector, is positioned in the inner groove.

Compared with the related art, the novel sample loading and filtering device provided by the utility model has the following beneficial effects:

the utility model provides a novel sample loading and filtering device, wherein a filtering device body is additionally arranged at the front end of a sampling tube before a large-volume liquid sample is sucked into a solid-phase extraction instrument, the arranged filtering device body is used for filtering the liquid sample, when a water sample is sucked, the liquid sample can be sucked into the instrument through a sample inlet channel, the sample inlet channel and an inner groove are mutually communicated, the liquid sample is conveniently sucked, fine particles in the liquid sample can be filtered after the liquid sample is filtered by a filter plate, the liquid sample is sucked, the liquid sample can be prevented from entering the instrument while the fine particles are sucked into the instrument, the influence of the fine particles in the water sample on the instrument can be greatly reduced, the service life of the instrument is effectively prolonged, the normal operation of the instrument and the accuracy of experiments are further ensured, the device can timely suck the filtered large-volume liquid sample, and the novel sample loading and filtering device has the advantages of simplicity in replacement, low price and high practicability.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

fig. 3 is a structural exploded view of the present utility model.

In the figure: 1. a filter body; 2. a sampling tube; 3. a conical head; 4. a bar-shaped notch; 5. a sample introduction channel; 6. an inner tank; 7. a connector; 8. and (5) a filter plate.

Detailed Description

Embodiment one:

referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a novel sample loading filter device, includes filter device body 1, and one side of filter device body 1 is provided with sampling tube 2, and filter device body 1's opposite side is provided with conical head 3, and bar notch 4 has been seted up to the bottom of conical head 3, and filter device body 1's inside is provided with advances kind passageway 5, and inside groove 6 has been seted up to filter device body 1's inside, and one side fixedly connected with connector 7 of sampling tube 2, one side fixedly connected with filter 8 of connector 7.

The sample introduction channel 5 corresponds to the liquid suction port of the sampling tube 2.

Specifically, when the water sample is sucked, the liquid sample can be sucked into the sampling tube 2 through the sample inlet channel 5.

The sample introduction passage 5 and the inner groove 6 are communicated with each other, and the sample introduction passage 5 and the inner groove 6 penetrate the inside of the filter body 1 and the cone head 3.

Specifically, the sample introduction channel 5 and the inner groove 6 penetrate the filter device body 1, so that liquid samples can be conveniently sucked.

The connection head 7 and the filter plate 8 are located inside the inner tank 6.

Specifically, the filter 8 is used for filtering tiny particles in the liquid sample, can ensure that the tiny particles in the water sample can greatly reduce the influence of the tiny particles on the instrument while sucking the liquid sample, effectively prolongs the service life of the instrument, and further ensures the normal operation of the instrument and the accuracy of experiments.

The side of the sampling tube 2 near the connector 7 is positioned inside the inner groove 6.

Specifically, the sampling tube 2 can timely absorb the filtered large-volume liquid sample, and has good filtering effect.

Working principle:

when the liquid sample filtering device is used, firstly, before a large volume of liquid sample is sucked into a solid phase extraction instrument, the front end of a sampling tube 2 is additionally provided with a filtering device body 1, and the filtering device body 1 is used for filtering the liquid sample;

secondly, when a water sample is sucked, the liquid sample can be sucked into the sampling tube 2 through the sampling channel 5, the sampling channel 5 and the inner groove 6 are communicated with each other, so that the liquid sample is conveniently sucked, fine particles in the liquid sample can be filtered after the liquid sample is filtered by the filter plate 8, the liquid sample can be sucked, the fine particles are prevented from entering the instrument while the liquid sample is sucked, the influence of the fine particles in the water sample on the instrument can be greatly reduced, the service life of the instrument is effectively prolonged, and the normal operation of the instrument and the accuracy of experiments are further ensured;

finally, the sampling tube 2 can timely absorb the filtered large-volume liquid sample, and has good filtering effect, and the filtering device is simple to replace, low in cost and high in practicability.

Claims

1. Novel loading filter device, including filter equipment body (1), its characterized in that: one side of filter equipment body (1) is provided with sampling tube (2), the opposite side of filter equipment body (1) is provided with conical head (3), bar notch (4) have been seted up to the bottom of conical head (3), the inside of filter equipment body (1) is provided with advances appearance passageway (5), inside groove (6) have been seted up of filter equipment body (1), one side fixedly connected with connector (7) of sampling tube (2), one side fixedly connected with filter (8) of connector (7).

2. The novel loading filter device according to claim 1, wherein: the sample injection channel (5) corresponds to the liquid suction port of the sampling tube (2).

3. The novel loading filter device according to claim 1, wherein: the sample injection channel (5) and the inner groove (6) are communicated with each other, and the sample injection channel (5) and the inner groove (6) penetrate through the filter device body (1) and the inner part of the conical head (3).

4. The novel loading filter device according to claim 1, wherein: the connector (7) and the filter plate (8) are positioned in the inner groove (6).

5. The novel loading filter device according to claim 1, wherein: one side of the sampling tube (2) close to the connector (7) is positioned in the inner groove (6).