CN218393776U

CN218393776U - Test-tube rack adapted to square solid-phase extraction instrument

Info

Publication number: CN218393776U
Application number: CN202222226712.8U
Authority: CN
Inventors: 王林; 刘建平; 王美玲; 鲁徐; 龚德力
Original assignee: China Certification & Inspection Group Hunan Co ltd
Current assignee: China Certification & Inspection Group Hunan Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-31
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a test-tube rack adapted to a square solid-phase extraction instrument, which comprises a test-tube rack base, wherein the top of the test-tube rack base is symmetrically and fixedly connected with test-tube rack support legs, the outer side of the test-tube rack support legs is slidably connected with a lower limiting plate, and an upper test-tube support is arranged outside the test-tube rack support legs and above the lower limiting plate; the utility model discloses the beneficial effect who reaches is: the original plastic circular snap ring is replaced by the double-tooth plastic hose clamp, so that the hose clamp is not easy to loosen; the lower limiting plate is beneficial to fixing the position of the test tube and preventing the test tube from sliding off the edge of the test tube rack; base spring tray can adapt to the test tube model that differs in size, can give certain flexible power and distortion power when the test tube is aimed at the adjustment position, is favorable to the test tube to align with the solvent direction needle is nimble to match, avoids the base now because the material is hard not have the holding capacity and lead to the damaged problem of test tube upper end mouth, has reduced bad experience and has felt, has improved work efficiency.

Description

Test-tube rack adapted to square solid-phase extraction instrument

Technical Field

The utility model relates to a test-tube rack technical field specifically is a test-tube rack of adaptation in square solid phase extraction appearance.

Background

The solid phase extractor generally comprises a glass cylinder, a sealing cover, a vacuum pump, a vacuum pressure gauge, an air suction hole, a flow control valve, a solvent guide needle, a test tube rack and the like, wherein the circular solid phase extractor is inferior to a square solid phase extractor in utilization rate because the middle position of the test tube rack is inconvenient to align the solvent guide needle during batch operation in an elution step, and the square solid phase extractor with 24 holes has the largest batch operation number and is most widely applied; operator among the prior art is when the elution, for making the appearance liquid accept the test tube and match one by one with solvent guide needle and align and guarantee that glass jar and apron closely laminate need constantly adjust the test tube position, the plastics buckle that often appears drops from the test-tube rack stabilizer blade, leads to the test-tube rack fixed plate landing, and the eluate is accepted to test tube position whole disorder or test tube skew, and the test tube spills the condition of breaking from its edge when taking out from the glass jar in the test-tube rack, the use in the actual of not being convenient for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adaptation is in test-tube rack of square solid phase extraction appearance to solve and propose in the above-mentioned background art when the elution, for making sample liquid accept the test tube and match one by one with solvent guide pin and align and guarantee that glass jar and apron closely laminate need constantly adjust the test tube position, the plastics buckle that often appears drops from the test-tube rack stabilizer blade, lead to the test-tube rack fixed plate landing, the test tube position is whole in disorder or the test tube is crooked accepts the eluant, the test tube spills the problem of the condition of breaking from its edge when taking out from the glass jar in the test-tube rack.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a adaptation in test-tube rack of square solid phase extraction appearance, includes the test-tube rack base, the top symmetry fixedly connected with test-tube rack stabilizer blade of test-tube rack base, the outside sliding connection of test-tube rack stabilizer blade has lower floor's limiting plate, the outside of test-tube rack stabilizer blade and the top that is located lower floor's limiting plate are equipped with upper test tube support, the bottom of upper test tube support and the outside that is located the test-tube rack stabilizer blade are equipped with bidentate plastics hose clamp, the inside equidistance sliding connection of test-tube rack base has the connecting block, be equipped with connecting spring between connecting block and the test-tube rack base, the top fixedly connected with tray of connecting block, the standing groove has been seted up at the top of tray.

Preferably, first test tube grooves are formed in the outer side of the upper test tube support at equal intervals.

Preferably, the outer side of the lower limiting plate is equidistantly provided with second test tube grooves.

Preferably, the bottom symmetry fixedly connected with fixing base of lower floor's limiting plate, the outside sliding connection of fixing base has the gag lever post, the spacing groove that uses with the gag lever post cooperation is seted up to the outside equidistance of test-tube rack stabilizer blade.

Preferably, the outer side of the limiting rod is fixedly connected with a sliding block, a sliding groove is formed in the fixing seat, the sliding block is connected with the sliding groove in a sliding mode, and a return spring is sleeved on the outer side of the limiting rod and on one side of the sliding block.

Preferably, one end of the limiting rod is fixedly connected with a pulling block.

The utility model discloses the beneficial effect who reaches is: the double-tooth plastic hose clamp replaces the original plastic round snap ring, so that the hose clamp is not easy to loosen; the lower limiting plate is beneficial to fixing the position of the test tube and preventing the test tube from sliding off the edge of the test tube rack; base spring tray can adapt to the test tube model that differs in size, can give certain flexible power and distortion power when the test tube is aimed at the adjustment position, is favorable to the test tube to align with the solvent direction needle is nimble to match, avoids the base now because the material is hard not have the holding capacity and lead to the damaged problem of test tube upper end mouth, has reduced bad experience and has felt, has improved work efficiency.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the double-tooth plastic hose clamp of the present invention;

fig. 4 is an enlarged view of a part a of the present invention.

In the figure: 1. a test tube rack base; 2. a test tube rack support leg; 3. a first test tube slot; 4. an upper test tube holder; 5. a second test tube tank; 6. a lower limiting plate; 7. a tray; 8. a double-tooth plastic hose clamp; 9. a connecting spring; 10. connecting blocks; 11. a limiting rod; 12. a limiting groove; 13. a slider; 14. a fixed seat; 15. a return spring; 16. pulling the block; 17. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution:

a test tube rack adaptive to a square solid-phase extraction instrument comprises a test tube rack base 1, wherein the top of the test tube rack base 1 is symmetrically and fixedly connected with test tube rack support legs 2, the outer sides of the test tube rack support legs 2 are connected with lower limiting plates 6 in a sliding mode, and test tubes are limited through the lower limiting plates 6; an upper layer test tube support 4 is arranged on the outer side of the test tube rack support leg 2 and above the lower layer limiting plate 6, and a double-tooth plastic hose clamp 8 is arranged at the bottom of the upper layer test tube support 4 and on the outer side of the test tube rack support leg 2, so that looseness is avoided; inside equidistance sliding connection of test-tube rack base 1 has connecting block 10, be equipped with coupling spring 9 between connecting block 10 and the test-tube rack base 1, the top fixedly connected with tray 7 of connecting block 10, the standing groove has been seted up at tray 7's top, can adapt to the test tube model different in size, certain concertina power and distortion power can be given to the test tube when aligning the adjusting position, be favorable to the test tube to align the matching with the solvent guide needle is nimble, avoid the base to lead to the damaged problem of test tube up end mouth because the material is hard not to hold the ability now.

Further, first test tube groove 3 has been seted up to the outside equidistance of upper test tube holder 4, is convenient for carry on spacingly to the test tube.

Further, second test tube groove 5 has been seted up to the outside equidistance of lower floor's limiting plate 6, is convenient for carry out further spacing to the test tube.

Further, the bottom symmetry fixedly connected with fixing base 14 of lower floor's limiting plate 6, the outside sliding connection of fixing base 14 has gag lever post 11, and spacing groove 12 that uses with the cooperation of gag lever post 11 is seted up to the outside equidistance of test-tube rack stabilizer blade 2, and the inside that gets into spacing groove 12 through gag lever post 11 carries on spacing fixedly to the position of lower floor's limiting plate 6.

Further, the outside fixedly connected with slider 13 of gag lever post 11, spout 17 is seted up to the inside of fixing base 14, slider 13 and spout 17 sliding connection, and the outside of gag lever post 11 and the one side cover that is located slider 13 are equipped with reset spring 15, and the removal of gag lever post 11 is spacing through slider 13, drives slider 13 through reset spring 15 and resets.

Furthermore, one end of the limiting rod 11 is fixedly connected with a pulling block 16, and the limiting rod 11 is driven to move through the pulling block 16.

It is specific, use the utility model discloses the time, the user puts into the square solid phase extraction appearance glass jar that corresponds with the test-tube rack in the solid phase extraction elution step, put in solid phase extraction post corresponding position according to the demand and accept the eluant test tube can, when needing to adjust the position of lower floor's limiting plate 6, the pulling draws piece 16, drive gag lever post 11 through drawing piece 16 and remove, make gag lever post 11 remove and break away from spacing groove 12, and simultaneously, gag lever post 11 drives slider 13 and removes, reset spring 15 is compressed, promote lower floor's limiting plate 6, adjust the position of lower floor's limiting plate 6, when adjusting the position that is fit for using, loosen and draw piece 16, reset spring 15 resets because elasticity drives slider 13, slider 13 drives the inside that gag lever post 11 removed entering spacing groove 12 and carries out spacing fixed, and convenient use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a test-tube rack in square solid phase extraction appearance of adaptation, includes test-tube rack base (1), its characterized in that: the utility model discloses a test tube rack, including test-tube rack base (1), the top symmetry fixedly connected with test-tube rack stabilizer blade (2) of test-tube rack base (1), the outside sliding connection of test-tube rack stabilizer blade (2) has lower floor limiting plate (6), the outside of test-tube rack stabilizer blade (2) and the top that is located lower floor limiting plate (6) are equipped with upper test tube support (4), the bottom of upper test tube support (4) and the outside that is located test-tube rack stabilizer blade (2) are equipped with bidentate plastics hose clamp (8), the inside equidistance sliding connection of test-tube rack base (1) has connecting block (10), be equipped with between connecting block (10) and test-tube rack base (1) connecting spring (9), the top fixedly connected with tray (7) of connecting block (10), the standing groove has been seted up at the top of tray (7).

2. The test tube rack adapted to the square solid phase extractor of claim 1, wherein: first test tube groove (3) have been seted up to the outside equidistance of upper test tube holder (4).

3. The test tube rack adapted to the square solid phase extractor of claim 1, wherein: and second test tube grooves (5) are formed in the outer side of the lower limiting plate (6) at equal intervals.

4. The test tube rack adapted to the square solid phase extractor of claim 1, wherein: the utility model discloses a test tube rack, including lower floor limiting plate (6), the bottom symmetry fixedly connected with fixing base (14) of lower floor limiting plate (6), the outside sliding connection of fixing base (14) has gag lever post (11), spacing groove (12) that use with gag lever post (11) cooperation are seted up to the outside equidistance of test-tube rack stabilizer blade (2).

5. The test tube rack adapted to the square solid phase extractor of claim 4, wherein: the outer side of the limiting rod (11) is fixedly connected with a sliding block (13), a sliding groove (17) is formed in the fixing seat (14), the sliding block (13) is connected with the sliding groove (17) in a sliding mode, and a return spring (15) is sleeved on one side, located on the sliding block (13), of the outer side of the limiting rod (11).

6. The test tube rack adapted to the square solid phase extractor of claim 4, wherein: one end of the limiting rod (11) is fixedly connected with a pulling block (16).