CN212180699U

CN212180699U - Novel sample introduction device of high performance liquid chromatograph

Info

Publication number: CN212180699U
Application number: CN202020384011.5U
Authority: CN
Inventors: 刘洪波
Original assignee: Hinoldon Tianjin Technology Co ltd
Current assignee: Hinoldon Tianjin Technology Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-18
Anticipated expiration: 2030-03-24

Abstract

The utility model discloses a novel high performance liquid chromatograph advances appearance device, the on-line screen storage device comprises a base, the top fixedly connected with bracing piece of base, the side surface fixedly connected with support frame of bracing piece, the inside of support frame is provided with the spout, the inside movable mounting of spout has the sliding sleeve, the side surface of bracing piece just is located the solid fixed ring of top fixedly connected with of support frame, the side surface of bracing piece just is located solid fixed ring's top fixedly connected with backup pad, the last fixed surface of backup pad is connected with the air pump, the output fixedly connected with telescopic link of air pump. The utility model discloses, after carrying out the ration through storing up a appearance section of thick bamboo, then in entering into the detector with the sample, can avoid the waste of sample, also avoided the sample volume to the influence of testing result less, make into the middle part that the appearance bottle was stored up in the appearance pipe insertion for take out the sample and get concentration equal, reduced and detected the error, use the support frame, make its position be convenient for remove, it is more convenient to detect.

Description

Novel sample introduction device of high performance liquid chromatograph

Technical Field

The utility model relates to a liquid chromatograph technical field especially relates to a novel high performance liquid chromatograph advances appearance 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, high performance liquid chromatograph's kind mode, adopt the manual work to advance the appearance mostly, but need have more work experience, to novice, the operation is comparatively difficult, and can consume great cost, teach out, it is very time-consuming, when advancing the appearance, get into the sample when too much, it is little to the testing result influence, nevertheless can cause the waste, and when getting into the sample less, probably lead to the deviation great, can not detect even, and owing to store in depositing the liquid bottle, probably lead to its edge to suffer the pollution, lead to the testing result to appear the deviation.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel sample introduction device of a high performance liquid chromatograph comprises a base, wherein a supporting rod is fixedly connected to the top of the base, a supporting frame is fixedly connected to the side surface of the supporting rod, a sliding groove is formed in the supporting frame, a sliding sleeve is movably mounted in the sliding groove, a fixing ring is fixedly connected to the side surface of the supporting rod and positioned above the supporting frame, a supporting plate is fixedly connected to the side surface of the supporting rod and positioned above the fixing ring, an air pump is fixedly connected to the upper surface of the supporting plate, a telescopic rod is fixedly connected to the output end of the air pump, a closed body is fixedly connected to one end, away from the air pump, of the telescopic rod, a sample storage cylinder is fixedly connected to the inner portion of the fixing ring, a sample introduction pipe is fixedly connected to the side surface of the sample storage cylinder, a first, the one end fixedly connected with second check valve that the appearance mouth kept away from and stored up a appearance section of thick bamboo, the right side of base is provided with places the board, the upper surface of placing the board is provided with lays the hole, lay the inside swing joint in hole and have the sample bottle.

As a further description of the above technical solution:

one end of the telescopic rod penetrates through the supporting plate and extends into the sample storage barrel, the position of the closing body is located in the sample storage barrel, the radius of the closing body is in interference fit with the inside of the sample storage barrel, and the sample storage barrel is provided with a sealing ring.

As a further description of the above technical solution:

the one end that advances the appearance pipe and keep away from storage appearance section of thick bamboo extends to the inside of sample bottle, the side surface of storage appearance section of thick bamboo is provided with the scale, advance the appearance pipe and be hose and length enough.

As a further description of the above technical solution:

the side surface of the sampling tube is fixedly connected with a limiting block, and the position of the limiting block is located above the sliding sleeve.

As a further description of the above technical solution:

the inner cloth of the sliding sleeve is provided with a mounting hole, and the mounting hole is movably connected with the sampling tube.

As a further description of the above technical solution:

the position of support frame is located the top of placing the board, gu fixed ring's quantity is total two, two gu fixed ring is located the upper and lower both ends of storing up a appearance section of thick bamboo.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this novel high performance liquid chromatograph advances kind device carries out the ration back through storing up a appearance section of thick bamboo, then enters into the detector with the sample, can avoid the waste of sample, has also avoided the sample volume to the influence of testing result less.

2. Compared with the prior art, this novel high performance liquid chromatograph advances kind device makes into the middle part that the appearance bottle was stored up in the sample pipe insertion for take out the sample and get the concentration equal, reduced and detected the error, use the support frame, make its position be convenient for remove, it is more convenient to detect.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel sample introduction device of a high performance liquid chromatograph;

fig. 2 is a schematic diagram of the internal structure of a novel sample introduction device of a high performance liquid chromatograph;

fig. 3 is the utility model provides a novel sample introduction device for high performance liquid chromatograph's support frame structure chart.

Illustration of the drawings:

1. a base; 2. a support bar; 3. a support frame; 4. a limiting block; 5. a sliding sleeve; 6. a chute; 7. a fixing ring; 8. a support plate; 9. an air pump; 10. a telescopic rod; 11. an enclosure; 12. a sample storage cylinder; 13. a sample inlet pipe; 14. a sample outlet; 15. a first check valve; 16. a second one-way valve; 17. placing the plate; 18. a placement hole; 19. and (4) a sample bottle.

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. 1-3, the utility model provides a pair of novel high performance liquid chromatograph advances kind device: comprises a base 1, a supporting rod 2 is fixedly connected with the top of the base 1 and supports the whole device, a supporting frame 3 is fixedly connected with the side surface of the supporting rod 2 and supports a sample inlet pipe 13, a chute 6 is arranged in the supporting frame 3, the movement and the insertion depth of the sample inlet pipe 13 are fixed, a sliding sleeve 5 is movably arranged in the chute 6, a fixing ring 7 is fixedly connected with the side surface of the supporting rod 2 and positioned above the supporting frame 3, a supporting plate 8 is fixedly connected with the side surface of the supporting rod 2 and positioned above the fixing ring 7, an air pump 9 is fixedly connected with the upper surface of the supporting plate 8 and provides the power for moving a closing body 11, an output end of the air pump 9 is fixedly connected with a telescopic rod 10, one end of the telescopic rod 10 far away from the air pump 9 is fixedly connected with a closing body 11 and sucks and discharges samples, store up side surface fixedly connected with of a kind section of thick bamboo 12 and advance appearance pipe 13, the internal connection of advancing appearance pipe 13 has first check valve 15, the lower fixed surface of storing up a kind section of thick bamboo 12 is connected with out appearance mouth 14, the one end fixedly connected with second check valve 16 that stores up a kind section of thick bamboo 12 is kept away from to out appearance mouth 14, it is orderly to make the sample business turn over, the right side of base 1 is provided with places board 17, the upper surface of placing board 17 is provided with lays hole 18, the internal swing joint who lays hole 18 has sample bottle 19, store the sample.

One end of the telescopic rod 10 penetrates through the support plate 8 and extends into the sample storage cylinder 12, so that the closed body 11 can realize functions, the position of the closed body 11 is positioned inside the sample storage cylinder 12, the radius of the closed body 11 is in interference fit with the inside of the sample storage cylinder 12, one end of the sample inlet pipe 13, which is far away from the sample storage cylinder 12, extends into the sample bottle 19, so that the transfer of a sample is convenient to realize, the side surface of the sample storage cylinder 12 is provided with scales, the quantity of the sample is convenient to detect, the sample inlet pipe 13 is a hose and has enough length, the side surface of the sample inlet pipe 13 is fixedly connected with the limiting block 4, the position of the limiting block 4 is positioned above the sliding sleeve 5, the insertion depth of the sample inlet pipe 13 can be accurately positioned, the mounting holes 20 are arranged in the sliding sleeve 5, the mounting holes 20 are movably connected with the sample inlet pipe 13, the position of the support frame 3 is positioned above the placing plate 17, so that the, the two fixing rings 7 are positioned at the upper end and the lower end of the sample storage cylinder 12.

The working principle is as follows: the detection sample is loaded into a sample bottle 19 and placed in a placing hole 18 on a placing plate 17, a sample inlet pipe 13 is inserted into the middle part of the sample bottle 19 through a sliding sleeve 5 on a supporting frame 3, the closed body 11 is lifted through an air pump 9, the sample reaches a sample storage cylinder 12, and after a certain amount of sample reaches, the closed body 11 is moved downwards through the air pump 9, so that the sample is discharged through a sample storage port 14 and reaches a detector.

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 novel high performance liquid chromatograph advances kind device, includes base (1), its characterized in that: the top of the base (1) is fixedly connected with a supporting rod (2), the side surface of the supporting rod (2) is fixedly connected with a supporting frame (3), a sliding groove (6) is arranged in the supporting frame (3), a sliding sleeve (5) is movably arranged in the sliding groove (6), the side surface of the supporting rod (2) is fixedly connected with a fixing ring (7) above the supporting frame (3), the side surface of the supporting rod (2) is fixedly connected with a supporting plate (8) above the fixing ring (7), the upper surface of the supporting plate (8) is fixedly connected with an air pump (9), the output end of the air pump (9) is fixedly connected with a telescopic rod (10), one end of the telescopic rod (10) far away from the air pump (9) is fixedly connected with a closed body (11), the inner part of the fixing ring (7) is fixedly connected, store up side surface fixedly connected with of a kind section of thick bamboo (12) and advance appearance pipe (13), the internal connection of advancing appearance pipe (13) has first check valve (15), the lower fixed surface of storing up a kind section of thick bamboo (12) is connected with out appearance mouth (14), the one end fixedly connected with second check valve (16) of storing up a kind section of thick bamboo (12) are kept away from to out appearance mouth (14), the right side of base (1) is provided with places board (17), the upper surface of placing board (17) is provided with lays hole (18), the internal swing joint who lays hole (18) has sample bottle (19).

2. The novel sample introduction device of the high performance liquid chromatograph of claim 1, wherein: one end of the telescopic rod (10) penetrates through the support plate (8) and extends into the sample storage barrel (12), the position of the closing body (11) is located in the sample storage barrel (12), and the radius of the closing body (11) is in interference fit with the inside of the sample storage barrel (12).

3. The novel sample introduction device of the high performance liquid chromatograph of claim 1, wherein: the one end that advances appearance pipe (13) and keep away from storage appearance section of thick bamboo (12) extends to the inside of sample bottle (19), the side surface of storing up appearance section of thick bamboo (12) is provided with the scale, it is enough for hose and length to advance appearance pipe (13).

4. The novel sample introduction device of the high performance liquid chromatograph of claim 1, wherein: the side surface of the sampling tube (13) is fixedly connected with a limiting block (4), and the position of the limiting block (4) is located above the sliding sleeve (5).

5. The novel sample introduction device of the high performance liquid chromatograph of claim 1, wherein: the inner cloth of the sliding sleeve (5) is provided with a mounting hole (20), and the mounting hole (20) is movably connected with the sampling tube (13).

6. The novel sample introduction device of the high performance liquid chromatograph of claim 1, wherein: the position of support frame (3) is located the top of placing board (17), the total two of solid fixed ring (7) quantity, two gu fixed ring (7) are located the upper and lower both ends of storing up a appearance section of thick bamboo (12).