CN214845049U

CN214845049U - Sample introduction device of high performance liquid chromatograph

Info

Publication number: CN214845049U
Application number: CN202120448315.8U
Authority: CN
Inventors: 褚延梁; 陈曈; 李昊阳; 路晓菲
Original assignee: Shandong Fangtansi Biomedical Industry Technology Research Institute Co ltd
Current assignee: Shandong Fangtansi Biomedical Industry Technology Research Institute Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-11-23
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a high performance liquid chromatograph sampling device, the on-line screen storage device comprises a base, base top both ends are divided by the first dead lever of fixedly connected with and second dead lever, first dead lever top fixedly connected with rack, second dead lever top fixedly connected with fixed block, the inside recess of having seted up of fixed block, fixed block outer wall one side fixedly connected with magnet. The utility model discloses high performance liquid chromatograph sampling device is provided with clockwork spring, first splint, second splint and sample frame, the device drives first splint and second splint through clockwork spring and presss from both sides a plurality of sample test tube in the first arc wall in inside, when needs use the sample, only need take out first splint and second splint from the fixed block, can carry out the bulk movement to the sample test tube, transfer efficiency has been improved greatly, sample arrangement order keeps unchangeable when its bulk movement, be difficult to make mistakes, the staff of being convenient for carries out the chromatograph experiment better.

Description

Sample introduction device of high performance liquid chromatograph

Technical Field

The utility model relates to a high performance liquid chromatograph auxiliary assembly technical field especially relates to a high performance liquid chromatograph sampling device.

Background

The high performance liquid chromatograph is an instrument device which applies the high performance liquid chromatograph principle and is mainly used for analyzing organic compounds with high boiling points, difficult volatilization, unstable heating and large molecular weight, a mobile phase in a liquid storage device is pumped into a system by a high pressure pump, a sample solution enters the mobile phase through a sample injector and is loaded into a chromatographic column by the mobile phase, the sample solution is separated into single components which sequentially flow out of the column, and when the sample solution passes through a detector, the concentration of the sample is converted into an electric signal which is transmitted to a recorder.

At present, before the existing high performance liquid chromatograph is used, a sample test tube is mostly required to be placed on a sample rack, then the sample test tube is transferred into a sample injection rack from the sample rack, and finally the sample injection rack is used for sending the sample test tube into the liquid chromatograph for detection. The sample test tube in traditional sample frame needs the manual work to remove one by one to advance the appearance frame in, when shifting, has consumed a large amount of manpowers and time to transfer efficiency is lower, makes mistakes easily, is unfavorable for the user to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sample introduction device of a high performance liquid chromatograph.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sample introduction device of a high performance liquid chromatograph comprises a base, wherein a first fixing rod and a second fixing rod are fixedly connected to two ends of the top of the base, a placing frame is fixedly connected to the top of the first fixing rod, a fixing block is fixedly connected to the top of the second fixing rod, a groove is formed in the fixing block, a magnet is fixedly connected to one side of the outer wall of the fixing block, a movable plate is arranged on one side, away from the magnet, of the outer wall of the fixing block, the movable plate penetrates through the side wall of the fixing block and is fixedly connected with an iron sheet, and a sample frame is jointly arranged on the placing frame and the top in the groove;

the sample frame includes first splint and second splint, first splint and second splint are close to the one end and the recess inside wall of fixed block and closely laminate, the one end lateral wall and the laminating of rack inside wall that the fixed block was kept away from to first splint and second splint, the one end that the fixed block was kept away from to first splint and second splint is provided with clockwork spring jointly, first slot and second slot have been seted up respectively to the one end that first splint and second splint are close to clockwork spring, first arc wall that is the symmetry setting is all seted up to one side that first splint and second splint are close to each other, two be provided with the sample test tube between the first arc wall, the base top is provided with the second arc wall.

As a further description of the above technical solution:

the iron sheet is attached to the inner wall of one side, close to the magnet, of the groove, and the tops of the first clamping plate and the second clamping plate are attached to the bottom of the movable plate.

As a further description of the above technical solution:

one end of the clockwork spring is fixedly connected with the inner wall of the first slot, and the other end of the clockwork spring is fixedly connected with the inner wall of the second slot.

As a further description of the above technical solution:

first arc wall inside wall and the laminating of sample test tube lateral wall, sample test tube bottom and the smooth laminating of second arc wall inner wall.

As a further description of the above technical solution:

the outer bottom of the fixed block and the outer bottom of the placing frame are located in the same horizontal plane.

As a further description of the above technical solution:

the base is stainless steel material, first splint and second splint are wooden.

The utility model discloses following beneficial effect has:

the utility model discloses high performance liquid chromatograph sampling device is provided with clockwork spring, first splint, second splint and sample frame, the device drives first splint and second splint through clockwork spring and presss from both sides a plurality of sample test tube in the first arc wall in inside, when needs use the sample, only need take out first splint and second splint from the fixed block, can carry out the bulk movement to the sample test tube, transfer efficiency has been improved greatly, sample arrangement order keeps unchangeable when its bulk movement, be difficult to make mistakes, the staff of being convenient for carries out the chromatograph experiment better.

Drawings

Fig. 1 is a front sectional view of a sample introduction device of a high performance liquid chromatograph provided by the present invention;

fig. 2 is a schematic diagram of a sample holder structure of a sample introduction device of a high performance liquid chromatograph according to the present invention;

fig. 3 is a schematic view of a fixed block structure of a sample feeding device of a high performance liquid chromatograph according to the present invention;

fig. 4 is the utility model provides a high performance liquid chromatograph sampling device's rack structure sketch map.

Illustration of the drawings:

1. a base; 2. a first fixing lever; 3. a second fixing bar; 4. placing a rack; 5. a fixed block; 6. a groove; 7. a magnet; 8. a movable plate; 9. iron sheets; 10. a sample holder; 101. a first splint; 102. a second splint; 103. a clockwork spring; 104. a first slot; 105. a second slot; 106. a first arc-shaped slot; 11. a sample tube; 12. a second arc-shaped groove.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a sample introduction device of a high performance liquid chromatograph comprises a base 1, wherein two ends of the top of the base 1 are fixedly connected with a first fixing rod 2 and a second fixing rod 3, the top of the first fixing rod 2 is fixedly connected with a placing frame 4, the top of the second fixing rod 3 is fixedly connected with a fixing block 5, a groove 6 is formed in the fixing block 5, one side of the outer wall of the fixing block 5 is fixedly connected with a magnet 7, a movable plate 8 is arranged on one side, away from the magnet 7, of the outer wall of the fixing block 5, the movable plate 8 penetrates through the side wall of the fixing block 5 and is fixedly connected with an iron sheet 9, and a sample frame 10 is jointly arranged at the top in the placing frame 4 and the groove 6;

sample frame 10 includes first splint 101 and second splint 102, the one end that first splint 101 and second splint 102 are close to fixed block 5 closely laminates with the recess 6 inside wall, the one end lateral wall that fixed block 5 was kept away from to first splint 101 and second splint 102 and the laminating of rack 4 inside wall, the one end that fixed block 5 was kept away from to first splint 101 and second splint 102 is provided with clockwork spring 103 jointly, first slot 104 and second slot 105 have been seted up respectively to the one end that first splint 101 and second splint 102 are close to clockwork spring 103, first arc 106 that is the symmetry setting has all been seted up to the one side that first splint 101 and second splint 102 are close to each other, be provided with sample test tube 11 between two first arc 106, base 1 top is provided with second arc 12. Compare in traditional sampling device, the device drives first splint 101 and second splint 102 through clockwork spring 103 and presss from both sides a plurality of sample test tube 11 in inside first arc wall 106, when needs use the sample, only need take out first splint 101 and second splint 102 from fixed block 5, can carry out the bulk movement to sample test tube 11, transfer efficiency has been improved greatly, because sample arrangement order remains unchanged during its bulk movement, be difficult to make mistakes, the better chromatograph experiment of the staff of being convenient for carries out.

The iron sheet 9 is attached to the inner wall of one side of the groove 6 close to the magnet 7, and the remaining magnet 7 of the iron sheet 9 is attracted through magnetic force, so that the first clamping plate 101 and the second clamping plate 102 are fixed conveniently. First splint 101 and second splint 102 top all laminate with fly leaf 8 bottoms, the one end and the first slot 104 inner wall fixed connection of clockwork spring 103, the other end and the second slot 105 inner wall fixed connection, through clockwork spring 103's elasticity, the staff of being convenient for carries sample test tube 11 wholly, and its efficiency of advancing a kind is higher. First arc wall 106 inside wall and the laminating of 11 lateral walls of sample test tube, the smooth laminating of 11 bottoms of sample test tube and 12 inner walls of second arc wall, the outer bottom of fixed block 5 and the outer bottom of rack 4 are in same horizontal plane, and base 1 is stainless steel, and its quality is great, and the stability that sample test tube 11 stored on sample frame 10 is better, is difficult to empty. First splint 101 and second splint 102 are wooden, and the texture is softer, and when removing sample test tube 11, the injury to the test tube is less, is difficult to damage the sample.

The working principle is as follows: firstly, a worker inserts each sample test tube 11 into the first arc-shaped groove 106 between the first clamping plate 101 and the second clamping plate 102 in the sample rack 10, at the moment, the bottom of the sample test tube 11 is limited by the second arc-shaped groove 12, the sample test tube 11 can be fixed and stable, then when a sample needs to be detected, the worker only needs to slide the movable plate 8 on the fixed block 5 to enable the iron sheet 9 at one end of the movable plate 8 to be separated from the magnetic attraction state with the magnet 7, so that the sample rack 10 can be wholly taken up from the groove 6 and the placing rack 4, the worker pinches the first clamping plate 101 and the second clamping plate 102 to compress the clockwork spring 103, so that the sample test tube 11 on the sample rack 10 can be wholly moved, then the clockwork spring 103 is loosened, at the moment, the first clamping plate 101 and the second clamping plate 102 are separated, the sample test tube 11 can be wholly moved and placed into a sample feeding rack, and the transfer efficiency is greatly improved, meanwhile, the sampling sequence is kept unchanged, and errors are not easy to occur.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high performance liquid chromatograph sampling device, includes base (1), its characterized in that: the sample rack is characterized in that a first fixing rod (2) and a second fixing rod (3) are fixedly connected to two ends of the top of the base (1), a placing rack (4) is fixedly connected to the top of the first fixing rod (2), a fixing block (5) is fixedly connected to the top of the second fixing rod (3), a groove (6) is formed in the fixing block (5), a magnet (7) is fixedly connected to one side of the outer wall of the fixing block (5), a movable plate (8) is arranged on one side, away from the magnet (7), of the outer wall of the fixing block (5), the movable plate (8) penetrates through the side wall of the fixing block (5) and is fixedly connected with an iron sheet (9), and a sample rack (10) is jointly arranged at the top of the placing rack (4) and the groove (6);

the sample frame (10) comprises a first clamping plate (101) and a second clamping plate (102), one end, close to the fixed block (5), of the first clamping plate (101) and the second clamping plate (102) is tightly attached to the inner side wall of the groove (6), the outer side wall of one end, far away from the fixed block (5), of the first clamping plate (101) and the second clamping plate (102) is attached to the inner side wall of the placing frame (4), a spring (103) is jointly arranged at one end, far away from the fixed block (5), of the first clamping plate (101) and the second clamping plate (102), one end, close to the spring (103), of the first clamping plate (101) and one end, close to the spring (103), of the second clamping plate (102) are respectively provided with a first slot (104) and a second slot (105), one sides, close to each other, of the first clamping plate (101) and the second clamping plate (102) are respectively provided with first arc-shaped grooves (106) which are symmetrically arranged, and a sample test tube (11) is arranged between the two first arc-shaped grooves (106), the top of the base (1) is provided with a second arc-shaped groove (12).

2. The sample injection device of the high performance liquid chromatograph of claim 1, wherein: iron sheet (9) and recess (6) are close to the laminating of one side inner wall of magnet (7), first splint (101) and second splint (102) top all laminate with fly leaf (8) bottom.

3. The sample injection device of the high performance liquid chromatograph of claim 1, wherein: one end of the clockwork spring (103) is fixedly connected with the inner wall of the first slot (104), and the other end of the clockwork spring is fixedly connected with the inner wall of the second slot (105).

4. The sample injection device of the high performance liquid chromatograph of claim 1, wherein: first arc wall (106) inside wall and the laminating of sample test tube (11) lateral wall, sample test tube (11) bottom and the smooth laminating of second arc wall (12) inner wall.

5. The sample injection device of the high performance liquid chromatograph of claim 1, wherein: the outer bottom of the fixing block (5) and the outer bottom of the placing rack (4) are located in the same horizontal plane.

6. The sample injection device of the high performance liquid chromatograph of claim 1, wherein: the base (1) is made of stainless steel, and the first clamping plate (101) and the second clamping plate (102) are both wooden.