CN212255211U - Liquid chromatography instrument for three-flavor bistort rhizome oral liquid - Google Patents

Abstract

The utility model provides a liquid chromatography instrument is used to three tastes bistort oral liquid for solve the inconvenient problem of using of liquid chromatograph, its technical scheme main points are: including the liquid chromatograph body, the bottom installation of liquid chromatograph body is fixed with the support column, the outside rotation of support column is connected with solid fixed ring, gu fixed ring goes up welded fastening has the dead lever, the outside cover of dead lever is equipped with solid fixed cylinder, be fixed with the double-screw bolt on the dead lever, the confession has been seted up in the solid fixed cylinder the channel that the double-screw bolt passed, the outside threaded connection of double-screw bolt has the screw thread ring cover, the end fixing of solid fixed cylinder has the sample to place the board, the sample is placed and has been seted up a plurality of and is put the groove in the board, the bottom mounting of support column has the slip post, the slip post slides along vertical direction and is connected with in the bearing cylinder.

Description

Liquid chromatography instrument for three-flavor bistort rhizome oral liquid

Technical Field

The utility model belongs to the technical field of detecting instrument and specifically relates to a liquid chromatography instrument is used to three tastes bistort oral liquid.

Background

The main components of the three-component bistort rhizome oral liquid are bistort rhizome, common andrographis herb and lightyellow sophora root which are dark brown liquid. It is used for clearing away heat and toxic materials, eliminating dampness, and relieving dysentery. The three-flavor bistort rhizome oral liquid needs to be detected and analyzed when being produced.

Reference is made to the chinese patent publication No. CN208860819U, which discloses a liquid chromatograph including an autosampler; a diluent container having a volume for holding diluent; the first peristaltic pump is communicated between the diluent container and the automatic sample injector and is used for draining the fluid from the diluent container to the automatic sample injector; one end of the second peristaltic pump is communicated with the first peristaltic pump; and the upper part of the flushing container is provided with an opening for accommodating the automatic sample injector, the lower part of the flushing container is communicated with a second peristaltic pump, and the second peristaltic pump is used for draining the fluid from the first peristaltic pump to the flushing container.

Such a liquid chromatograph as described above has a self-cleaning capability. However, the above-mentioned liquid chromatograph still has some disadvantages, such as: the use height of the liquid chromatograph cannot be flexibly adjusted during use, and a necessary structure for placing a sample to be measured is lacked.

SUMMERY OF THE UTILITY MODEL

The utility model provides a liquid chromatography instrument for three-flavor bistort oral liquid to solve the problem that proposes in the background art.

The technical scheme of the utility model is realized like this:

the liquid chromatographic instrument for the three-component bistort rhizome oral liquid comprises a liquid chromatograph body, wherein a support column is fixedly arranged at the bottom of the liquid chromatograph body, the outside of the supporting column is rotatably connected with a fixing ring, the fixing ring is fixedly welded with a fixing rod, a fixing cylinder is sleeved outside the fixing rod, a stud is fixed on the fixing rod, a channel for the stud to pass through is arranged in the fixing cylinder, the outer thread of the stud is connected with a thread ring sleeve, the end part of the fixed cylinder is fixed with a sample placing plate, a plurality of placing grooves are arranged in the sample placing plate, a sliding column is fixed at the bottom end of the supporting column, the sliding column is connected with a bearing cylinder in a sliding way along the vertical direction, a servo motor is fixed in the bearing cylinder, an outer extending rod is fixed at the end part of a motor shaft of the servo motor, a screw rod is fixed at the end part of the outer extending rod, and the screw rod is in threaded connection with the sliding column.

Preferably, a first end ring is fixed at the end of the extension rod, a second end ring is fixed at the end of the screw rod, and fastening sleeves are connected to the outer portions of the first end ring and the second end ring in a threaded mode.

Preferably, two retaining ring blocks are fixed on the supporting column, and the fixing ring is located between the two retaining ring blocks.

Preferably, a groove is formed in the support column, the groove is internally connected with the insert column through a spring, and an insertion hole for inserting the insert column is formed in the fixing ring.

Preferably, two guide blocks are fixed on the bearing cylinder, and two guide grooves for the guide blocks to vertically slide are formed in the sliding column.

Preferably, a protruding column is fixed at the bottom end of the bearing cylinder, and a base is connected to the outside of the protruding column through threads.

Preferably, the bottom of the liquid chromatograph body is fixed with a fixed disk through a plurality of screws, the bottom end of the fixed disk is fixed with a threaded connection ring, and the support column is in threaded connection with the threaded connection ring.

Preferably, a layer of rubber cushion is respectively fixed in the plurality of placing grooves.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the liquid chromatographic instrument for the three-flavor bistort rhizome oral liquid is provided with a structure for placing a sample, and the height of the liquid chromatographic instrument body can be automatically adjusted when the liquid chromatographic instrument is used, so that the use is convenient; when the liquid chromatography instrument for the three-flavor bistort oral liquid is used, an operator can pull the fixing cylinder to slide outside the fixing rod to drive the stud to slide in the groove, then the threaded ring sleeve is screwed down to lock the position of the fixing cylinder, so that the position of the sample placing plate can be adjusted and fixed, and the fixing ring can rotate outside the supporting column, so that the sample placing plate can be driven to rotate to adjust the use position by rotating the fixing ring, and a sample can be conveniently taken; moreover, when the servo motor in the bearing cylinder is started, the outer extension rod and the screw rod can be driven to rotate, so that the sliding column can be driven to vertically lift, and the height of the liquid chromatograph body can be conveniently adjusted.

Drawings

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

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

fig. 5 is an enlarged view of fig. 3 at C.

Wherein: 1. a liquid chromatograph body; 2. a support pillar; 3. a fixing ring; 4. fixing the rod; 5. a fixed cylinder; 6. a stud; 7. a channel; 8. a threaded ring sleeve; 9. a sample placement plate; 10. a placing groove; 11. a sliding post; 12. a carrying cylinder; 13. a servo motor; 14. an outward extending rod; 15. a screw; 16. a first end ring; 17. a second end ring; 18. fastening sleeves; 19. a retainer block; 20. a groove; 21. a spring; 22. inserting a column; 23. a jack; 24. a guide block; 25. a guide groove; 26. a projecting post; 27. a base; 28. a screw; 29. fixing the disc; 30. a threaded connection ring; 31. a rubber cushion.

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 belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a liquid chromatography apparatus for sanwei bistort rhizome oral liquid comprises a liquid chromatography body 1; in order to enable the device to have a structure convenient for placing and taking samples, a support column 2 is fixedly installed at the bottom of a liquid chromatograph body 1, a fixing ring 3 is rotatably connected to the outside of the support column 2, a fixing rod 4 is fixedly welded on the fixing ring 3, a fixing cylinder 5 is sleeved outside the fixing rod 4, a stud 6 is fixed on the fixing rod 4, a channel 7 for the stud 6 to pass through is formed in the fixing cylinder 5, a threaded ring sleeve 8 is connected to the outside of the stud 6 through threads, a sample placing plate 9 is fixed at the end part of the fixing cylinder 5, and six placing grooves 10 are formed in the sample placing plate 9; when using this liquid chromatography instrument for three-taste bistort oral liquid, the operator can stimulate solid fixed cylinder 5 and slide in 4 outsides of dead lever, drive double-screw bolt 6 and slide in channel 7, later screw up screw thread ring cover 8 and can lock the position of solid fixed cylinder 5, thereby can put the position of board 9 to the sample and adjust and fix, and because solid fixed ring 3 can rotate in 2 outsides of support column, so can drive the sample and put board 9 and rotate adjustment using position through rotating solid fixed ring 3, conveniently get and take the sample.

Referring to fig. 1 and 3, in order to facilitate automatic adjustment of the use height of the liquid chromatograph body 1, a sliding column 11 is fixed at the bottom end of the support column 2, wherein the sliding column 11 is connected in a bearing cylinder 12 in a sliding manner along the vertical direction, a servo motor 13 is fixed in the bearing cylinder 12, an outer extension rod 14 is fixed at the end of a motor shaft of the servo motor 13, a screw rod 15 is fixed at the end of the outer extension rod 14, and the screw rod 15 is in threaded connection with the sliding column 11; when starting servo motor 13 in bearing cylinder 12, it can drive outer stretching rod 14 and screw rod 15 and rotate to can drive the vertical lift of slip post 11, thereby can conveniently adjust the height of liquid chromatograph body 1.

Referring to fig. 3 and 5, in order to facilitate the connection and fixation of the external extension rod 14 and the screw rod 15, a first end ring 16 is fixed at the end of the external extension rod 14, a second end ring 17 is fixed at the end of the screw rod 15, and a fastening sleeve 18 is connected to the outer portions of the first end ring 16 and the second end ring 17 in a common threaded manner; in order to improve the stability of the rotation of the fixing ring 3, two retaining ring blocks 19 are fixed on the supporting column 2, the fixing ring 3 is rotatably connected between the two retaining ring blocks 19, and the retaining ring blocks 19 can keep the structural stability of the rotation of the fixing ring 3.

Referring to fig. 3 and 4, in order to lock the rotating fixing ring 3, a groove 20 is formed in the supporting column 2, an insert column 22 is connected to the groove 20 through a spring 21, an insert hole 23 for inserting the insert column 22 is formed in the fixing ring 3, and the insert column 22 can be inserted into the insert hole 23 under the elastic force of the spring 21, so that the position of the fixing ring 3 can be locked; in order to guide the vertical sliding of the sliding column 11, two guide blocks 24 are fixed on the bearing cylinder 12, two guide grooves 25 for the vertical sliding of the guide blocks 24 are arranged in the sliding column 11, and the purpose of sliding guide is achieved by the matching of the guide blocks 24 and the guide grooves 25.

Referring to fig. 3 and 4, in order to make the placement of the present apparatus more stable, a protruding column 26 is fixed at the bottom end of the carrying cylinder 12, and a base 27 is screwed to the outer portion of the protruding column 26; in order to facilitate the connection and fixation of the liquid chromatograph body 1 and the support column 2, a fixed disk 29 is fixed at the bottom of the liquid chromatograph body 1 through four screws 28, a threaded ring 30 is fixed at the bottom end of the fixed disk 29, and the support column 2 is in threaded connection with the threaded ring 30.

Referring to fig. 1 and 2, in order to protect the sample placed in the placement groove 10 to a certain degree, a layer of rubber cushion 31 is fixed in the placement groove 10, and the rubber cushion 31 can ensure the stability of placing the sample cup, so as to achieve the protection effect.

The liquid chromatograph body 1 is a conventional technique, and can be a high performance liquid chromatograph model LC-3000 manufactured by tenghai analytical instruments ltd.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. Liquid chromatography instrument for three-component bistort rhizome oral liquid, including liquid chromatograph body (1), its characterized in that: the bottom of liquid chromatograph body (1) is installed and fixed with support column (2), the outside of support column (2) is rotated and is connected with solid fixed ring (3), gu weld fixed has dead lever (4) on fixed ring (3), the outside cover of dead lever (4) is equipped with solid fixed cylinder (5), be fixed with double-screw bolt (6) on dead lever (4), seted up confession in solid fixed cylinder (5) channel (7) that double-screw bolt (6) passed, the outside threaded connection of double-screw bolt (6) has screw thread ring cover (8), the end fixing of solid fixed cylinder (5) has sample placing plate (9), a plurality of place groove (10) have been seted up in sample placing plate (9), the bottom mounting of support column (2) has slip post (11), slip post (11) are connected with along vertical direction and bear in section of thick bamboo (12), bear section of thick bamboo (12) internal fixation has servo motor (13), an outer stretching rod (14) is fixed at the end part of a motor shaft of the servo motor (13), a screw rod (15) is fixed at the end part of the outer stretching rod (14), and the screw rod (15) is in threaded connection with the sliding column (11).

2. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: a first end ring (16) is fixed at the end of the outer extension rod (14), a second end ring (17) is fixed at the end of the screw rod (15), and a fastening sleeve (18) is connected to the outer portions of the first end ring (16) and the second end ring (17) in a threaded mode.

3. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: be fixed with two retaining ring pieces (19) on support column (2), gu fixed ring (3) is located two between retaining ring piece (19).

4. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: the support column is characterized in that a groove (20) is formed in the support column (2), an inserting column (22) is connected into the groove (20) through a spring (21), and an inserting hole (23) for inserting the inserting column (22) is formed in the fixing ring (3).

5. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: two guide blocks (24) are fixed on the bearing cylinder (12), and two guide grooves (25) for the guide blocks (24) to vertically slide are formed in the sliding column (11).

6. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: the bottom end of the bearing cylinder (12) is fixed with a protruding column (26), and the outer part of the protruding column (26) is connected with a base (27) through threads.

7. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: liquid chromatograph body (1) bottom is fixed with fixed disk (29) through a plurality of screw (28), fixed disk (29) bottom mounting has thread joint ring (30), support column (2) threaded connection in thread joint ring (30).

8. The liquid chromatography apparatus for sanwei bistort rhizome oral liquid according to claim 1, wherein: a layer of rubber cushion (31) is respectively fixed in the plurality of placing grooves (10).

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