CN215506826U

CN215506826U - Sample bottle for quickly filtering liquid sample through micropores

Info

Publication number: CN215506826U
Application number: CN202121253716.4U
Authority: CN
Inventors: 单晓玲; 郭学涛
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-14
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to the technical field of laboratory equipment, and particularly discloses a sample bottle for quickly filtering a liquid sample in a micropore manner, which comprises a straight cylinder type bottle body, a push rod and a filter element matched with the straight cylinder type bottle body, wherein the filter element comprises an upper circular filter screen and a lower circular filter screen, the lower surface of the upper circular filter screen is provided with an installation groove capable of installing the lower circular filter screen, a filter membrane is arranged between the upper circular filter screen and the lower circular filter screen, and the push rod is detachably connected with the upper circular filter screen through a rotary connecting assembly; the liquid sample filtering device is simple in structure, convenient and quick to operate, low in cost for filtering the liquid sample, capable of achieving integration of sample storage and filtering, small in number of used tools, convenient and quick, good in filtering effect, capable of improving efficiency of experiment and detection and not affecting accuracy of the sample.

Description

Sample bottle for quickly filtering liquid sample through micropores

Technical Field

The utility model relates to the technical field of laboratory equipment, and particularly discloses a sample bottle for quickly filtering a liquid sample through micropores.

Background

In the laboratory sample measurement, some samples are often required to be detected, such as a chromatograph and a mass spectrometer, and the samples are required to pass through a 0.22-0.45 um microporous filter membrane for measurement on a machine. General analytical detection type instruments also require that a sample is clear and free of impurities, so that sample filtration is inevitably required in the experimental process.

At present, common filtration modes comprise suction filtration, filter paper, a syringe with a microporous filter element and the like, and the filtration modes are complex to operate, time-consuming and labor-consuming and have quite high cost. Therefore, aiming at the defect that the sample is filtered before detection in the conventional laboratory by filtration modes such as suction filtration, filter paper, injector matched microporous filter element and the like, the utility model provides the sample bottle for quickly filtering the liquid sample by micropores, which has the advantages of simple structure and convenient operation and can effectively filter the sample before detection.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the defects of the existing filtering mode and the related filtering device in the prior laboratory before detecting a liquid sample, and designs a sample bottle for quickly filtering the liquid sample by micropores, which has the advantages of simple structure, convenient operation and capability of effectively filtering the sample before detection so as to solve the defects of the existing filtering mode.

(II) technical scheme

The utility model is realized by the following technical scheme:

the utility model provides a sample bottle of quick millipore filtration liquid sample, include straight cylinder body, push rod and with straight cylinder body assorted filter core, the filter core includes circular filter screen and lower circular filter screen, go up the lower surface of circular filter screen and offer the mounting groove that can install down circular filter screen, go up and be provided with the filter membrane between circular filter screen and the lower circular filter screen, realize detachable the connection through rotation type coupling assembling between push rod and the last circular filter screen.

As a further arrangement of the scheme, a sealing rubber ring is arranged on the outer circumferential surface of the upper circular filter screen, and the sealing rubber ring is in interference fit with the inner wall of the straight cylinder type bottle body.

As the further setting of above-mentioned scheme, rotation type coupling assembling is including connecting the fixture block in push rod lower extreme both sides, the upper surface both sides of going up circular filter screen all are connected with the joint piece, set up on the joint piece and can realize fixed connection's arc and revolve a mouthful by the screw in fixture block.

As a further arrangement of the scheme, the push rod is formed by symmetrically and crossly connecting two rectangular strips, and the upper end of the push rod is connected with a circular cover plate.

As a further arrangement of the scheme, the straight cylinder type bottle body is of a transparent structure, and scales are arranged on the straight cylinder type bottle body.

(III) advantageous effects

1. The utility model has simple structure, convenient and fast operation and excellent filtering effect, greatly reduces the operation steps of sample filtering, can meet different on-machine measuring requirements of the filtered sample, can recycle various accessories, is simple and convenient to disassemble and easy to clean, realizes recycling and has low cost for filtering the liquid sample.

2. The utility model realizes the integration of sample storage and filtration, reduces the number of used tools, is convenient and fast, has good filtration effect, improves the efficiency of experiment and detection, and does not influence the accuracy of the sample.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the front view internal plan structure of the present invention;

FIG. 2 is a schematic view of the enlarged structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic perspective view of the filter element of the present invention when connected to a push rod;

fig. 4 is a perspective exploded view of the filter element of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will now be described in detail with reference to the accompanying figures 1-4, in conjunction with an illustrative embodiment.

The utility model discloses a sample bottle for rapidly filtering a liquid sample by micropores, which comprises a main body part, a straight cylinder type sample bottle body 1, a detachable filter element 2 and a push rod 3.

Wherein, the inner wall of sample body 1 is smooth, and the bottom sets up for the round bottom to the sample body sets up to transparent form, and is provided with the scale at the surface outward, thereby can conveniently observe the condition of inside sample liquid. The upper end of the push rod 3 is connected with a circular cover plate structure, the rod part of the push rod 3 is formed by symmetrically and crossly connecting two rectangular strips, the structure is firm and is not easy to deform, and one group or two groups of rotary fixture blocks 301 are symmetrically arranged at the lower end of the push rod 3.

The filter element 2 which is detachable comprises an upper filter screen 201 and a lower filter screen 202, the upper filter screen 201 and the lower filter screen 202 are both circular, a large number of filter holes are formed in the upper layer of filter screen and the lower layer of filter screen, a mounting groove for mounting the lower filter screen 202 is formed in the lower surface of the upper filter screen 201, the lower filter screen 202 is clamped into the mounting groove, and a layer of filter membrane 203 is prevented between the upper filter screen 201 and the lower filter screen 202. A sealing rubber ring 204 is connected to the outer circumferential surface of the upper filter screen 201, the outer diameter of the sealing rubber ring 204 is slightly larger than the diameter of the inner wall of the sample bottle body 1, and the arrangement of the sealing rubber ring 204 prevents the liquid sample from leaking out of the gap between the filter element 2 and the sample bottle body 1 during the filtering process.

In addition, be provided with on the upper surface of last filter screen 201 with every group fixture block 301 assorted joint piece 205, set up the rotatory strip mouth 2051 of arc with filter core 2 concentric setting on this joint piece 205, fixture block 301 of push rod 3 lower extreme comprises the connection piece and the stopper with the rotatory strip mouth 2051 looks adaptation of arc, when being connected filter core 2 with push rod 3, can realize being connected between the two through the rotatory strip mouth 2051 of arc with the clockwise screw in of connection piece on fixture block 301 on the joint piece 205, reverse rotation can realize quick dismantlement between the two.

The utility model discloses a sample bottle for quickly filtering a liquid sample by micropores, which comprises the following specific operation steps:

firstly, will be through the effect between fixture block 301 and the joint piece 205 with filter core 2 and push rod 3 be connected, then will wait to filter and get sample liquid and pour into sample body 1, hold push rod 3 again and insert filter core 2 in sample body 1 to slowly push filter core 2 to the bottle bottom from the bottleneck, liquid sample filters through filter membrane 203, and impurity is by the filter-pressing income bottle bottom, and filter core 2 upper sample is for clarifying the filtration sample. After the filtration is finished, the push rod 2 is rotated anticlockwise, so that the fixture block 301 at the lower end of the push rod 3 is slipped from the clamping block 205 on the filter element 2, the liquid sample is filtered after the push rod 2 is taken down, and the liquid sample can be tested on a machine or transferred and stored according to requirements.

The utility model has simple structure, convenient operation and good filtering effect, the filtered sample can meet different on-machine measuring requirements, various accessories can be recycled, the disassembly is simple and convenient, the cleaning is easy, and the recycling is realized.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a sample bottle of quick millipore filtration liquid sample, its characterized in that, including straight cylinder type body, push rod and with straight cylinder type body assorted filter core, the filter core includes circular filter screen and lower circular filter screen, the mounting groove that can install down circular filter screen is seted up to the lower surface of going up circular filter screen, go up circular filter screen and be provided with the filter membrane down between the circular filter screen, realize detachable the connection through rotation type coupling assembling between push rod and the last circular filter screen.

2. The rapid microfiltration sample bottle according to claim 1, wherein the outer circumferential surface of the upper circular filter screen is provided with a sealing rubber ring, and the sealing rubber ring is in interference fit with the inner wall of the straight cylinder bottle body.

3. The sample bottle for rapid microfiltration of a liquid sample according to claim 1, wherein the rotary connecting assembly comprises a clamping block connected to both sides of the lower end of the push rod, both sides of the upper surface of the upper circular filter screen are connected with clamping blocks, and the clamping blocks are provided with arc-shaped rotating strip openings capable of being screwed into the clamping block to realize fixed connection.

4. The rapid microfiltration sample bottle according to claim 1 wherein the push rod is composed of two rectangular strips symmetrically cross-linked and a circular cover is attached to the upper end of the push rod.

5. The rapid microfiltration sample bottle according to claim 1, wherein the straight body is of a transparent structure, and the straight body is provided with a scale.