CN214514766U

CN214514766U - Centrifuge tube rack for solid phase extraction column

Info

Publication number: CN214514766U
Application number: CN202121195878.7U
Authority: CN
Inventors: 祝伟霞; 张淑霞; 魏蔚; 杨娜; 王新辉; 师子豪
Original assignee: Zhengzhou Customs Technology Center
Current assignee: Zhengzhou Customs Technology Center
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-10-29
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a centrifuge tube rack of a solid phase extraction column, which comprises a base, a first tube rack plate and a second tube rack plate, wherein the first tube rack plate and the second tube rack plate are arranged on the base in parallel; the outer wall of base upside is provided with a plurality of recess, all is provided with the top in the plurality of recess and holds in the palm the subassembly, and the top holds in the palm the subassembly and includes a set post and spring, and the bottom of spring is all connected in the recess, and the top of a set post is provided with the top and holds in the palm the mouth, and the spring is located the inner wall of a set post, and the inner wall fixed connection of top and cover post downside. The utility model provides a solid-phase extraction post centrifuge tube rack rotates when twisting the piece, can drive a gear rotation, and it is rotatory to drive two gears at both ends, and then conveys power to the threaded rod through three gears, makes the threaded rod rotate, twists the piece during transmission through power and drive the threaded rod rotation, carries out the altitude mixture control to rack pipe plate one or rack pipe plate two as required.

Description

Centrifuge tube rack for solid phase extraction column

Technical Field

The utility model relates to an extraction column pipe support technical field relates to a solid phase extraction column centrifuge tube rack particularly.

Background

Solid-Phase Extraction (SPE) is a sample pretreatment technology developed in recent years, is developed by combining a liquid-Solid Extraction column and a liquid chromatography technology, is mainly used for separating, purifying and concentrating samples, can improve the recovery rate of analytes compared with the traditional liquid-liquid Extraction method, more effectively separates the analytes from interfering components, reduces the sample pretreatment process, and is simple to operate, time-saving and labor-saving. The method is widely applied to the fields of medicine, food, environment, commodity inspection, chemical industry and the like.

According to the patent number CN208511923U, a solid phase extraction frame is disclosed, which comprises an outer frame and a centrifuge tube frame, wherein at least one group of extraction column supports are arranged on the inner side of the upper part of the outer frame, the centrifuge tube frame is arranged on the inner side of the lower part of the outer frame, a sliding groove is arranged on the side wall of the inner side of the outer frame, detachable sliding blocks are arranged on two sides of the centrifuge tube frame, and a plunger is arranged on the sliding blocks; the sliding groove consists of an upper sliding groove and a lower sliding groove, and the two sides of the upper sliding groove and the two sides of the lower sliding groove are connected through an annular sliding groove; the centrifuge tube rack is divided into an upper layer and a lower layer, the upper layer is provided with at least two rows of centrifuge tube holes, and the lower layer is provided with conical blind holes corresponding to the centrifuge tube holes; one side of the centrifuge tube rack is connected with a handle through a bracket.

The existing pipe frame has small pertinence, so that in use, the bottom of a solid phase extraction column pipe barrel is protected less, the collision condition is possibly caused during moving, and the fixed height is difficult to adapt to the problems of use and inconvenience in observation of different extraction columns.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a solid phase extraction post centrifuge tube rack aims at solving current pipe rack in use, and is less to the bottom protection of bobbin, probably takes place the condition of colliding with when removing, and fixed height, is difficult to adapt to the use of different extraction posts, the problem of inconvenient observation.

In order to achieve the above object, the present invention provides the following technical solutions: the test tube rack comprises a base, a first tube rack plate and a second tube rack plate, wherein the first tube rack plate and the second tube rack plate are arranged on the base in parallel, lifting frame assemblies are symmetrically arranged on the base, and the lifting frame assemblies are assembled to drive the first tube rack plate and the second tube rack plate to move in the vertical direction so as to adapt to the length of a test tube; the outer wall of base upside is provided with a plurality of recess, a plurality of all be provided with the top in the recess and hold in the palm the subassembly, the top is held in the palm the subassembly and is included cover post and spring, the bottom of spring all is connected in the recess, the top of cover post is provided with the top and holds in the palm the mouth, the spring is located the inner wall of cover post, and the top with the inner wall fixed connection of cover post downside.

Preferably, the first pipe frame plate and the second pipe frame plate are symmetrically provided with threaded holes, the outer wall of the upper side of the base is provided with threaded rods which are symmetrical relative to the center of the base, every two threaded rods are horizontally distributed and are in a group, and the threaded holes are in threaded connection with the threaded rods.

Preferably, the lifting frame assembly comprises a screwing block, a first gear, a second gear and a third gear, wherein the screwing block is arranged on the outer walls of the two opposite sides of the base, the first gear is fixedly connected with the screwing block, the second gear is symmetrically meshed with the two sides of the first gear, and the third gear is fixedly connected to one side of the second gear.

Preferably, the crane assembly further comprises a gear four, the gear four is meshed with the gear three, the outer wall of the four upper sides of the gear extends to the outer wall of the upper side of the base, and the outer wall of the four upper sides of the gear is fixedly connected with the bottom end of the threaded rod.

Preferably, the outer wall of the base is provided with sliding guide rods which are symmetrical with respect to the center of the base, the outer walls of the lower sides of the first pipe frame plates are symmetrically provided with first sliding guide grooves, and the outer walls of the lower sides of the second pipe frame plates are symmetrically provided with second sliding guide grooves.

Preferably, the first pipe frame plate and the second pipe frame plate are both provided with a plurality of pipe columns.

In the technical scheme, the utility model provides a solid-phase extraction post centrifuge tube rack is provided with a sleeve column, the top of sleeve column is provided with a jacking port, the sleeve column is respectively located the lower extreme of a plurality of tube column, the spring has been cup jointed to the inside of sleeve column, and the top is provided with the jacking port, the jacking port is used for jacking the bottom of tube, the jacking port is curved port and the outer wall is provided with rubber, curved port can laminate the bottom of tube, rubber can be effectively anti-skidding, when the spring receives the weight of tube, the spring can drive the sleeve column to retract to the recess, more firm support tube; when twisting the piece in the rotation, can drive gear one rotatory, drive two rotations of gear at both ends, and then convey the threaded rod to through gear three with power, make the threaded rod rotate, twist the piece during transmission through power and drive the threaded rod rotatory, carry out height control to pipe frame plate one or pipe frame plate two as required.

Drawings

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

fig. 2 is a schematic view of a connection structure of a jacking assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of an overall contraction structure provided by an embodiment of the present invention;

fig. 4 is a schematic view of a driving mechanism according to an embodiment of the present invention.

Description of reference numerals:

1. a base; 11. a groove; 12. a guide slide bar; 2. a first pipe frame plate; 21. a first guide chute; 3. a second pipe frame plate; 31. a second guide chute; 4. a tubular column; 5. a lift cage assembly; 6. a threaded rod; 7. sleeving a column; 8. a spring; 50. twisting the block; 51. a first gear; 52. a second gear; 53. a third gear; 54. a fourth gear; 71. and (6) jacking the opening.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-4, a centrifuge tube rack of a solid phase extraction column, considering practical use, the centrifuge tube rack can be adjusted according to the length of a practical tube, the centrifuge tube rack is provided with a tube rack plate 2 and a tube rack plate 3, a lifting frame assembly 5 is arranged between the tube rack plate 2 and the tube rack plate 3 and a base 1, two groups of lifting frame assemblies 5 are provided, the lifting frame assemblies 5 respectively control the lifting of the tube rack plate 2 and the tube rack plate 3, the lifting frame assembly 5 comprises a twisting block 50, a gear 51, a gear two 52, a gear three 53 and a gear four 54, the twisting block 50 is arranged on the outer wall of two opposite sides of the base 1, the gear 51 is fixedly connected with the twisting block 50, the gear two 52 is symmetrically engaged with two sides of the gear one 51, the gear three 53 is fixedly connected with one side of the gear two 52, the gear four 54 is engaged with the gear three 53, the outer wall of the upper side of the gear four 54 extends to the outer wall of the upper side of the base 1, the outer wall of the upper side of the gear four 54 is fixedly connected with the bottom end of a threaded rod 6, two groups of threaded rods 6 are provided, every two horizontally distributed threaded rods 6 are one group and are respectively connected with the lifting frame component 5, threaded holes are symmetrically arranged on the tube frame plate I2 and the tube frame plate II 3, each group of threaded rods 6 are respectively in threaded connection with the threaded holes arranged on the tube frame plate I2 and the tube frame plate II 3, therefore, when the screwing block 50 is rotated, the gear I51 can be driven to rotate, the gear II 52 at two ends is driven to rotate, further, force is transmitted to the threaded rods 6 through the gear III 53, the threaded rods 6 are driven to rotate through the screwing block 50 during force transmission, the height of the tube frame plate I2 or the tube frame plate II 3 is adjusted, the outer wall of the base 1 is provided with guide sliding rods 12 on the lower side which is symmetrical relative to the center of the base 1, the outer wall of the tube frame plate I2 is symmetrically provided with guide sliding grooves I21, the outer wall on the lower side of the tube frame plate II 3 is symmetrically provided with guide sliding grooves II 31, every two horizontally arranged guide slide bars 12 are in one group, the degrees of the two groups of guide slide bars 12 are different, the heights of the first guide slide groove 21 and the second guide slide groove 31 are different, and the two groups of guide slide bars 12 are respectively matched with the first guide slide groove 21 and the second guide slide groove 31, so that the distance between the first pipe frame plate 2 or the second pipe frame plate 3 and the base 1 is in accordance with the actual height to adapt to the actual height of a pipe barrel, the inconvenience of placing the pipe barrel which is too high or too low in cross use during use is avoided, meanwhile, the classified storage of various pipe columns can be carried out on the same pipe frame, and the inconvenience and even the resource waste caused by the use of various pipe frames are avoided; considering the practical use, when storing, the bottom of the pipe barrel is fragile, in the existing pipe frame, the protection of the bottom of the pipe barrel is less, the pipe barrel can be broken due to careless collision, a jacking component is arranged in the pipe frame, the outer wall of the upper side of the base 1 is provided with a plurality of grooves 11, the jacking component is respectively arranged in the grooves 11, the jacking component comprises a sleeve column 7 and a spring 8, the bottom end of the spring 8 is connected in the groove 11, the top end of the sleeve column 7 is provided with a jacking port 71, the spring 8 is positioned on the inner wall of the sleeve column 7, the top end of the spring is fixedly connected with the inner wall of the lower side of the sleeve column 7, a plurality of pipe barrel columns 4 are respectively arranged on the pipe frame plate I2 and the pipe frame plate II 3, the sleeve columns 7 are respectively positioned at the lower ends of the plurality of pipe barrel columns 4, the spring 8 is sleeved in the sleeve column 7, the top of the sleeve column 7 is provided with the jacking port 71, the jacking port 71 is used for jacking the bottom of the pipe barrel, the jacking port 71 is an arc-shaped port, rubber is arranged on the outer wall of the jacking port, the arc-shaped port can be attached to the bottom of the pipe barrel, the rubber can effectively prevent skidding, and the spring 8 can drive the sleeve column 7 to retract towards the groove 11 when receiving the weight of the pipe barrel, so that the pipe barrel is supported more stably.

The utility model discloses a theory of operation: the pipe frame plate I2 and the pipe frame plate II 3 drive the threaded rods 6 to complete lifting through the lifting frame assembly 5, two groups of threaded rods 6 are provided, every two horizontally distributed threaded rods 6 are one group and are respectively connected with the lifting frame assembly 5, threaded holes are symmetrically formed in the pipe frame plate I2 and the pipe frame plate II 3, each group of threaded rods 6 are respectively in threaded connection with the threaded holes formed in the pipe frame plate I2 and the pipe frame plate II 3, when the screwing block 50 is rotated, the gear I51 can be driven to rotate, the gear II 52 at two ends can be driven to rotate, force is further transmitted to the threaded rods 6 through the gear III 53, the threaded rods 6 are driven to rotate by the screwing block 50, the height of the pipe frame plate I2 or the pipe frame plate II 3 can be adjusted according to requirements, the guide sliding rods 12 which are symmetrical about the center of the base 1 are arranged on the outer wall of the base 1, and the guide sliding grooves I21 are symmetrically arranged on the outer wall of the lower side of the pipe frame plate I2, the outer wall of the lower side of the second pipe frame plate 3 is symmetrically provided with a second guide sliding groove 31, every two horizontally arranged guide sliding rods 12 form a group, the degrees of the two groups of guide sliding rods 12 are different, the heights of the first guide sliding groove 21 and the second guide sliding groove 31 are different, and the two groups of guide sliding rods 12 are respectively matched with the first guide sliding groove 21 and the second guide sliding groove 31, so that the distance between the first pipe frame plate 2 or the second pipe frame plate 3 and the base 1 is in accordance with the actual height to adapt to the actual height of a pipe barrel, the inconvenience of placing the pipe barrel which is too high or too low in cross use during use is avoided, meanwhile, the classified storage of various pipe columns can be carried out on the same pipe frame, and the inconvenience and even the resource waste caused by using various pipe frames are avoided; the jacking component is respectively arranged in the groove 11, the jacking component comprises a sleeve column 7 and a spring 8, the bottom end of the spring 8 is connected in the groove 11, the top end of the sleeve column 7 is provided with a jacking port 71, the spring 8 is positioned on the inner wall of the sleeve column 7, the top end of the spring is fixedly connected with the inner wall of the lower side of the sleeve column 7, a plurality of pipe columns 4 are arranged on the first pipe frame plate 2 and the second pipe frame plate 3, the sleeve column 7 is respectively positioned at the lower ends of the plurality of pipe columns 4, the spring 8 is sleeved in the sleeve column 7, the top of the spring is provided with the jacking port 71, the jacking port 71 is used for jacking the bottom of a pipe, the jacking port 71 is provided with rubber for arc-shaped ports and the outer wall, the arc-shaped ports can be attached to the bottom of the pipe columns, the rubber can effectively prevent skidding, the spring 8 can drive the sleeve column 7 to retract towards the groove 11 when receiving the weight of the pipe columns, and can support the pipe columns more stably, the utility model discloses the jacking pipe can be used for food detection, The efficiency of pretreatment in experiments can be improved in the analysis and detection fields of environmental detection, drug qualitative detection and the like.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A centrifuge tube rack for a solid phase extraction column is characterized by comprising a base (1) and a first tube rack plate (2) and a second tube rack plate (3) which are arranged on the base (1) in parallel, wherein lifting rack assemblies (5) are symmetrically arranged on the base (1), and the lifting rack assemblies (5) are assembled to drive the first tube rack plate (2) and the second tube rack plate (3) to move in the vertical direction to adapt to the length of a test tube;

the outer wall of base (1) upside is provided with a plurality of recess (11), a plurality of all be provided with the top in recess (11) and hold in the palm the subassembly, the top is held in the palm the subassembly and is included cover post (7) and spring (8), the bottom of spring (8) is all connected in recess (11), the top of cover post (7) is provided with top support mouth (71), spring (8) are located the inner wall of cover post (7), and the top with the inner wall fixed connection of cover post (7) downside.

2. The centrifuge tube rack for solid phase extraction column according to claim 1, wherein the tube rack plate (2) and the tube rack plate (3) are symmetrically provided with threaded holes, the outer wall of the upper side of the base (1) is provided with threaded rods (6) which are symmetrical about the center of the base (1), and every two horizontally distributed threaded rods (6) form a group, and the threaded holes are in threaded connection with the threaded rods (6).

3. The solid phase extraction column centrifuge tube rack of claim 1, wherein the lifting frame assembly (5) comprises a twisting block (50), a first gear (51), a second gear (52) and a third gear (53), the twisting block (50) is arranged on the outer wall of the two opposite sides of the base (1), the first gear (51) is fixedly connected with the twisting block (50), the second gear (52) is symmetrically engaged with the two sides of the first gear (51), and the third gear (53) is fixedly connected with one side of the second gear (52).

4. The solid phase extraction column centrifuge tube rack of claim 1, wherein the lifting frame assembly (5) further comprises a gear four (54), the gear four (54) is engaged with a gear three (53), the outer wall of the upper side of the gear four (54) extends to the outer wall of the upper side of the base (1), and the outer wall of the upper side of the gear four (54) is fixedly connected with the bottom end of the threaded rod (6).

5. The centrifuge tube rack for solid phase extraction column according to claim 1, wherein the outer wall of the base (1) is provided with a first guide slide bar (12) which is symmetrical about the center of the base (1), the outer walls of the lower sides of the first tube frame plate (2) are symmetrically provided with a first guide slide groove (21), and the outer walls of the lower sides of the second tube frame plate (3) are symmetrically provided with a second guide slide groove (31).

6. A centrifuge tube rack for solid phase extraction columns according to claim 1, wherein a plurality of tube columns (4) are arranged on each of the first tube rack plate (2) and the second tube rack plate (3).