CN221016110U

CN221016110U - Filterable reagent bottle

Info

Publication number: CN221016110U
Application number: CN202322662882.5U
Authority: CN
Inventors: 陈维民; 林民锋; 林志伟
Original assignee: Meishi Meike Xiamen Medical Technology Co ltd
Current assignee: Meishi Meike Xiamen Medical Technology Co ltd
Priority date: 2023-09-29
Filing date: 2023-09-29
Publication date: 2024-05-28
Anticipated expiration: 2033-09-29

Abstract

The utility model provides a filterable reagent bottle, comprising: the outer cylinder comprises an outer cylinder body and a first surrounding edge, wherein the first surrounding edge is arranged at the edge of the opening of the outer cylinder body and extends outwards, and a first accommodating cavity is arranged in the outer cylinder body; the inner cylinder body is slidably arranged in the first accommodating cavity and comprises an inner cylinder body, a second accommodating cavity is arranged in the inner cylinder body, a plurality of filtering holes are formed in the bottom of the inner cylinder body in a penetrating manner, a hollow fixing piece is arranged at the bottom of the inner cylinder body, and a filtering membrane is arranged between the bottom of the inner cylinder body and the fixing piece; the cover body comprises a cover body and a sealing part which is arranged at the edge of the cover body and can be folded, wherein a plug is arranged at the lower end of the cover body, and the plug is fixedly arranged at the top of the second accommodating cavity. The manual pressing mode can improve the filtering efficiency, and after the filtering is finished, the inner cylinder body is arranged in the outer cylinder body, so that the use of the reagent bottle is reduced, and the operation is more convenient.

Description

Filterable reagent bottle

Technical Field

The utility model relates to a filterable reagent bottle, which is applied to the field of filtered reagents.

Background

Liquid chromatography is a type of separation and analysis technique, and is characterized by using liquid as mobile phase, and the stationary phase can be made into various forms, such as paper, sheet and packed bed. During the development of chromatographic techniques, in order to distinguish between the various methods, respective nomenclature such as paper chromatography, thin layer chromatography and column liquid chromatography has been generated according to the form of the stationary phase, wherein the filtration of the solution may improve the accuracy of the analysis.

The prior reagent bottle usually adopts a mode that a first bottle body is connected with a second bottle body in a butt joint way, a filtering membrane is arranged between the first bottle body and the second bottle body, and solution in the bottle body above flows into the bottle body below to realize filtering through gravity, but the filtering mode is too low in efficiency, more reagent bottles are needed to carry out filtering operation, and the sealing performance of the bottle mouth of the prior reagent bottle is too poor.

Disclosure of utility model

The utility model provides a filterable reagent bottle which can effectively solve the problems.

The utility model is realized in the following way:

A filterable reagent bottle comprising:

The outer cylinder comprises an outer cylinder body and a first surrounding edge, wherein the first surrounding edge is arranged at the edge of the opening of the outer cylinder body and extends outwards, and a first accommodating cavity is arranged in the outer cylinder body;

the inner cylinder body is slidably arranged in the first accommodating cavity and comprises an inner cylinder body, a second accommodating cavity is formed in the inner cylinder body, a plurality of filtering holes are formed in the bottom of the inner cylinder body in a penetrating mode, a hollow fixing piece is arranged at the bottom of the inner cylinder body, and a filtering membrane is arranged between the bottom of the inner cylinder body and the fixing piece;

The cover body comprises a cover body and a sealing part which is arranged at the edge of the cover body and can be folded, wherein a plug is arranged at the lower end of the cover body, and the plug is fixedly arranged at the top of the second accommodating cavity.

As a further improvement, the edge of the opening of the inner cylinder body is provided with a second surrounding edge in an outward extending manner, when the fixing piece touches the bottom of the first accommodating cavity, a gap is reserved between the first surrounding edge and the second surrounding edge, and the height of the gap is 3-7 mm.

As a further improvement, the plug head comprises a straight line part connected with the cover body and a bending part arranged at one end far away from the cover body and connected with the straight line part, and an included angle alpha=5-10 degrees between the bending part and the straight line part.

As a further improvement, the upper end surface of the cover body is provided with a first arc-shaped concave part positioned on the axis of the cover body, the diameter of the first arc-shaped concave part is R1, the lower end surface of the cover body is provided with a second arc-shaped concave part opposite to the first arc-shaped concave part, and the diameter of the second arc-shaped concave part is R2, wherein R1 is more than R2.

As a further improvement, the outer side wall of the inner cylinder body is provided with a sealing ring, the inner wall of the fixing piece is provided with a first annular bump, the outer side wall of the inner cylinder body is provided with a first annular groove corresponding to the first annular bump, the bottom of the fixing piece is provided with a second annular bump, the bottom of the inner cylinder body is provided with a second annular groove corresponding to the second annular bump, when the filter membrane is arranged at the bottom of the fixing piece, the inner cylinder body and the fixing piece are buckled, the first annular bump is abutted to the first annular groove to fix the fixing piece, and the second annular bump is arranged in the second annular groove and tightly presses the filter membrane.

As a further improvement, the bottom of the inner cylinder body is arc-shaped, the filtering holes are a plurality of groups of annular arrays and are arranged in through holes at the bottom of the inner cylinder body, and the diameters of the filtering holes are sequentially increased from inside to outside.

The beneficial effects of the utility model are as follows:

Through setting up outer barrel and set up in the internal slidable inner tube of urceolus, press the inner tube from top to bottom slip in the first accommodation chamber, filter the solution in the first accommodation chamber, in the in-process of filtering, can improve filtration efficiency through the mode of manual pressing to after the filtration is accomplished, the inner tube set up in the urceolus, reduce the use of reagent bottle, make the operation more convenient; when the fixing piece touches the bottom of the first accommodating cavity, the cover body is covered, the sealing part is turned downwards to enclose the first enclosing edge, so that the reagent bottle is sealed, the reagent is prevented from being exposed to the air, and the detection result is prevented from being influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram provided in an embodiment of the present utility model.

FIG. 2 is a schematic cross-sectional view of A-A in FIG. 1.

Fig. 3 is a schematic diagram of an explosion structure according to an embodiment of the present utility model.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 5 is a schematic cross-sectional structure before use according to an embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of a cover according to an embodiment of the present utility model.

Fig. 7 is a schematic diagram of a bottom structure of an inner cylinder body according to an embodiment of the present utility model.

The drawings are identified as follows:

10. an outer cylinder; 11. an outer cylinder body; 12. a first peripheral edge; 13. a first accommodation chamber;

20. An inner cylinder; 21. an inner cylinder body; 211. a seal ring; 212. a first annular groove; 213. a second annular groove; 22. a second peripheral edge; 23. a second accommodation chamber; 24. a filter hole; 25. a fixing member; 251. a first annular bump; 252. a second annular bump; 26. a filtering membrane;

30. A cover body; 31. a cover body; 311. a first arcuate recess; 312. a second arcuate recess; 32. a sealing part; 33. a plug head; 331. a straight line portion; 332. and a bending part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-3, a filterable reagent bottle comprising:

The outer cylinder body 10 comprises an outer cylinder body 11 and a first surrounding edge 12 which is arranged at the edge of the opening of the outer cylinder body 11 and extends outwards, and a first accommodating cavity 13 is arranged in the outer cylinder body 11;

The inner cylinder 20 is slidably arranged in the first accommodating cavity 13 and comprises an inner cylinder body 21, a second accommodating cavity 23 is arranged in the inner cylinder body 21, a plurality of filtering holes 24 are formed in the bottom of the inner cylinder 20 in a penetrating manner, a hollow fixing piece 25 is arranged at the bottom of the inner cylinder 20, a filtering membrane 26 is arranged between the bottom of the inner cylinder 20 and the fixing piece 25, and the thickness of the filtering membrane 26 is 0.01 mu m;

The cover body 30 is made of rubber, has good toughness and sealing performance, and comprises a cover body 31 and a sealing part 32 which is arranged at the edge of the cover body 31 and can be folded, wherein a plug head 33 is arranged at the lower end of the cover body 31, and the plug head 33 is fixedly arranged at the top of the second accommodating cavity 23;

The inner cylinder 20 is formed by sliding the first accommodating cavity 13 from top to bottom, filtering the solution in the first accommodating cavity 13, and improving the filtering efficiency in a manual pressing manner in the filtering process. When the fixing member 25 touches the bottom of the first accommodating cavity 13, the cover body 30 is covered, and the sealing portion 32 is turned down to enclose the first enclosing edge 12, so as to seal the reagent bottle, thereby preventing the reagent from being exposed to the air and affecting the detection result.

Referring to fig. 2, the second peripheral edge 22 is disposed on the edge of the opening of the inner cylinder body 21 in an extending manner, when the fixing member 25 contacts the bottom of the first accommodating cavity 13, a gap is reserved between the first peripheral edge 12 and the second peripheral edge 22, the height of the gap is 3-7 mm, when the height of the gap is lower than 3mm, the inner cylinder body 20 is difficult to be taken out of the outer cylinder body 10, impurities are cleaned and the filtering membrane is replaced, if the height of the gap is higher than 7mm, the sealing portion 32 of the cover body 30 cannot be stably mounted on the first peripheral edge 12, the length of the sealing portion 32 needs to be increased so as to achieve the sealing effect, and accordingly, the cost of the cover body 30 increases, in this embodiment, the height of the gap is 5mm, and at this time, the inner cylinder body 20 is not only convenient to be taken out from the outer cylinder body 10, but also the sealing portion 32 can be firmly mounted on the first peripheral edge 12.

Referring to fig. 6, the plug 33 includes a straight portion 331 connected to the cover body 31 and a bent portion 332 disposed at an end far from the cover body 31 and connected to the straight portion 331, the bent portion 332 is disposed to facilitate the installation of the plug 33 into the inner cylinder 20, an angle α=5 to 10° between the bent portion 332 and the straight portion 331, when the angle α between the bent portion 332 and the straight portion 331 is smaller than 5 °, the effect of facilitating the installation of the plug 33 into the inner cylinder 20 is insignificant, and when the angle α between the bent portion 332 and the straight portion 331 is larger than 10 °, the installation of the plug 33 is not firm, and a loosening phenomenon may occur, in this embodiment, the angle α=8° between the bent portion 332 and the straight portion 331 not only can achieve the effect of facilitating the installation of the plug 33 into the inner cylinder 20, but also the installation of the plug 33 is firm.

Referring to fig. 6, the upper end surface of the cover body 31 is provided with a first arc recess 311 located on the axis of the cover body 31, the lower end surface of the cover body 31 is provided with a second arc recess 312 opposite to the first arc recess, the first arc recess 311 and the second arc recess 312 are provided to facilitate drawing out of the liquid taking needle (after filtration is completed, liquid suction detection can be performed through the cover body 30), the first arc recess 311 and the second arc recess 312 are provided to make two sides of the cover body 31 relatively thinner, so that liquid taking needle insertion is facilitated, but the two side walls are relatively thinner, in the process of drawing out the liquid taking needle, the insertion opening may be turned outwards, so that sealability of the cover body 30 is deteriorated, a storage state of liquid in the reagent bottle is affected, and a detection result is error is caused, therefore, the diameter of the first arc recess 311 is R1, the diameter of the second arc recess is R2, wherein R1 is greater than R2, the depth of the inner recess of the upper end surface of the cover body 31 is reduced, the depth of the inner recess 31 is reduced, but the depth of the inner recess 31 is not affected when the inner side wall of the needle is pulled out, and the depth of the inner recess 31 is prevented from being lowered, and the depth of the inner recess is not affected, so that the depth of the liquid in the test result is reduced.

Referring to fig. 1-5, a sealing ring 211 is disposed on the outer side wall of the inner cylinder body 21, a first annular protrusion 251 is disposed on the inner wall of the fixing member 25, a first annular groove 212 corresponding to the first annular protrusion 251 is disposed on the outer side wall of the inner cylinder body 20, a second annular protrusion 252 is disposed at the bottom of the fixing member 25, a second annular groove 213 corresponding to the second annular protrusion 252 is disposed at the bottom of the inner cylinder body 20, the inner cylinder body 20 and the fixing member 25 are buckled when the filtering membrane 26 is disposed at the bottom of the fixing member 25, the first annular protrusion 251 abuts against the first annular groove 212 to fix the fixing member 25, the second annular protrusion 252 is disposed in the second annular groove 213 and tightly presses the filtering membrane 26, and the first annular protrusion 251 and the second annular protrusion can increase the sealing performance and the installation stability of the filtering membrane 26.

Referring to fig. 4, 5 and 7, the bottom of the inner cylinder body 21 is arc-shaped, which has the advantage that the bottom of the inner cylinder body 21 and the bottom of the first accommodating cavity 13 form a large enough impurity accommodating cavity for storing filtered impurities, the filtering holes 24 are a plurality of groups of annular arrays of through holes arranged at the bottom of the inner cylinder body 21, and the diameters of the filtering holes 24 are sequentially increased from inside to outside, so that the utility model achieves better filtering effect, the thickness of the filtering membrane 26 is 0.01 μm, the thickness is quite thin, the filtering membrane 26 is closely attached to the bottom of the inner cylinder body 21 to realize the filtering function in the filtering process, but when the inner cylinder body 20 is drawn out, the gas passes through the filtering membrane 26 from the second accommodating cavity 23 to move downwards through the filtering membrane 24, and the central position displacement amount of the filtering membrane 26 is the largest because the bottom of the inner cylinder body 21 is arc-shaped, if the sizes of the arranged filtering holes 24 are consistent, the middle part of the filtering membrane 26 is easy to break, so that the diameter of the middle part of the filtering membrane 26 is sequentially increased from inside to outside the middle part of the filtering membrane 26, and the stress is prevented from being reduced.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A filterable reagent bottle comprising:

The outer cylinder body (10) comprises an outer cylinder body (11) and a first peripheral edge (12) which is arranged at the edge of the opening of the outer cylinder body (11) and extends outwards, and a first accommodating cavity (13) is arranged in the outer cylinder body (11);

The inner cylinder body (20) is slidably arranged in the first accommodating cavity (13) and comprises an inner cylinder body (21), a second accommodating cavity (23) is arranged in the inner cylinder body (21), a plurality of filtering holes (24) are formed in the bottom of the inner cylinder body (20) in a penetrating manner, a hollow fixing piece (25) is arranged at the bottom of the inner cylinder body (20), and a filtering membrane (26) is arranged between the bottom of the inner cylinder body (20) and the fixing piece (25);

the cover body (30) comprises a cover body (31) and a sealing part (32) which is arranged at the edge of the cover body (31) and can be folded, wherein a plug head (33) is arranged at the lower end of the cover body (31), and the plug head (33) is fixedly arranged at the top of the second accommodating cavity (23).

2. The filterable reagent bottle according to claim 1, wherein a second peripheral edge (22) is arranged at the edge of the opening of the inner cylinder body (21) in an outward extending manner, and when the fixing piece (25) touches the bottom of the first accommodating cavity (13), a gap is reserved between the first peripheral edge (12) and the second peripheral edge (22), and the height of the gap is 3-7 mm.

3. A filterable reagent bottle according to claim 1, wherein the stopper (33) comprises a straight portion (331) connecting the cap body (31) and a bent portion (332) connecting the straight portion (331) provided at an end remote from the cap body (31), the angle α = 5-10 ° between the bent portion (332) and the straight portion (331).

4. A filterable reagent bottle according to claim 3, wherein the upper end surface of the cap body (31) is provided with a first arcuate recess (311) on the axis of the cap body (31), the first arcuate recess having a diameter R1, and the lower end surface of the cap body (31) is provided with a second arcuate recess (312) opposite the first arcuate recess, the second arcuate recess having a diameter R2, wherein R1 > R2.

5. The filterable reagent bottle according to claim 1, wherein a sealing ring (211) is arranged on the outer side wall of the inner cylinder body (21), a first annular bump (251) is arranged on the inner wall of the fixing piece (25), a first annular groove (212) corresponding to the first annular bump (251) is arranged on the outer side wall of the inner cylinder body (20), a second annular bump (252) is arranged at the bottom of the fixing piece (25), a second annular groove (213) corresponding to the second annular bump (252) is arranged at the bottom of the inner cylinder body (20), a filtering film (26) is arranged at the bottom of the fixing piece (25), the inner cylinder body (20) and the fixing piece (25) are buckled, the first annular bump (251) is abutted to the first annular groove (212) so as to fix the fixing piece (25), and the second annular bump (252) is arranged in the second annular groove (213) and the filtering film (26) is tightly pressed.

6. The filterable reagent bottle according to claim 5, wherein the bottom of the inner cylinder body (21) is arc-shaped, the filtering holes (24) are a plurality of groups of through holes arranged at the bottom of the inner cylinder body (21) in a ring-shaped array, and the diameters of the filtering holes (24) are sequentially increased from inside to outside.