CN213954592U - Infusion regulation and control device for high performance liquid chromatograph - Google Patents

Abstract

The utility model belongs to the technical field of the relevant accessory of high performance liquid chromatograph, especially, be a high performance liquid chromatograph regulates and control device with infusing, including ball valve and extraction cabin, the right side fixedly connected with liquid outlet of ball valve, the right side fixedly connected with inlet in extraction cabin, the sleeve pipe has been cup jointed on the right side of liquid outlet and inlet, sheathed tube top threaded hole, screw hole female connection has fixing bolt, the spacing piece of sheathed tube right side fixedly connected with, sheathed tube right side fixedly connected with screw thread holding piece, the outer wall threaded connection of screw thread holding piece has fastening nut, fastening nut's top fixedly connected with screw thread ear, screw thread ear female connection has spacing bolt. The utility model discloses a set up fixing bolt, screw thread holding piece, sleeve pipe, spacing piece, screw thread ear, fastening nut and rubber seal cover and cooperate, solved the inconvenient problem of infusion regulation and control device installation.

Description

Infusion regulation and control device for high performance liquid chromatograph

Technical Field

The utility model relates to a high performance liquid chromatograph relevant accessory technical field specifically is a high performance liquid chromatograph regulates and control device with infusing.

Background

The High Performance Liquid Chromatograph (HPLC) is an instrument mainly used for analyzing organic compounds with high boiling points, difficult volatilization, unstable heating and large molecular weight by applying a high performance liquid chromatography principle, and comprises a liquid storage device, a pump, a sample injector, a chromatographic column, a detector, a recorder and the like. The mobile phase in the reservoir is pumped into the system by the high pressure pump, the sample solution enters the mobile phase through the sample injector, and is loaded into the chromatographic column (stationary phase) by the mobile phase, because each component in the sample solution has different distribution coefficients in the two phases, when the two phases do relative motion, through the distribution process of repeated adsorption-desorption, each component generates a large difference in the moving speed, and is separated into single components which flow out of the column in sequence, when passing through the detector, the sample concentration is converted into an electric signal and transmitted to the recorder, and the data is printed out in the form of a map, and the HPLC is widely applied to life science, food science, drug research and environmental research.

The prior transfusion regulating and controlling device has the following problems: when using, need will heat the pipeline with the bi-pass through heating device after will heat and connect, lead to the installation effectiveness to reduce.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high performance liquid chromatograph regulates and control device with infusing has solved the inconvenient problem of infusion regulation and control device installation.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an infusion regulation and control device for a high performance liquid chromatograph comprises a ball valve and an extraction cabin, wherein the right side of the ball valve is fixedly connected with a liquid outlet, the right side of the extraction cabin is fixedly connected with a liquid inlet, the right sides of the liquid outlet and the liquid inlet are sleeved with a sleeve, the top of the sleeve is provided with a threaded hole, the threaded hole is internally connected with a fixing bolt, the right side of the sleeve is fixedly connected with a limiting piece, the right side of the sleeve is fixedly connected with a thread clamping sheet, the outer wall of the thread clamping sheet is connected with a fastening nut in a threaded manner, the top of the fastening nut is fixedly connected with a thread lug, the thread lug is internally threaded with a limit bolt, the inner part of the left side of the thread clamping piece is fixedly connected with fixed teeth, the inner wall of the thread clamping piece is fixedly connected with a rubber sealing sleeve, and the front side of the top of the extraction cabin is fixedly connected with a fixed supporting plate.

As a preferred technical scheme of the utility model, the inner wall in extraction cabin rotates and is connected with the axis of rotation, the bottom fixedly connected with extraction blade of axis of rotation, the sealing washer has been cup jointed in the bottom outside of axis of rotation.

As an optimal technical scheme of the utility model, the bearing box is installed through the bolt at the top in extraction cabin, the inside of bearing box is rotated and is even connected with the transmission shaft, the bottom joint of transmission shaft is at the top of axis of rotation, the top fixedly connected with lower latch of transmission shaft.

As a preferred technical scheme of the utility model, servo motor is installed through the bolt to the reverse side of fixed support board, latch is gone up to the bottom fixedly connected with of servo motor's output, go up latch and latch joint between each other down.

As a preferred technical scheme of the utility model, the lower extreme right side fixedly connected with outlet pipe in extraction cabin, the outer wall joint of outlet pipe has the pipeline to fix and detains, the front at fixed support plate is passed through the bolt to the reverse side that the pipeline was fixed to be detained, fixed support plate's top fixedly connected with fixed arm, the ball valve has been cup jointed in the front of fixed arm.

As a preferred technical scheme of the utility model, the top fixed connection of ball valve has the digit dish, the top of digit dish is rotated and is connected with the rotary switch, the reverse side fixedly connected with pointer of rotary switch.

(III) advantageous effects

Compared with the prior art, the utility model provides a high performance liquid chromatograph regulates and control device with infusion possesses following beneficial effect:

this high performance liquid chromatograph regulates and control device with infusing through fixing bolt, spacing bolt, fixed tooth, screw thread clamping piece, sleeve pipe, spacing piece, screw thread ear, fastening nut and rubber seal cover cooperate, when using, makes screw thread clamping piece press from both sides the pipeline tightly through rotatory fastening nut, and rotatory spacing bolt supports spacing piece again, prevents that fastening nut is not hard up, improves the fastness of junction, prevents that the pipeline is not hard up, improves the installation effectiveness simultaneously, practices thrift the time of installation maintenance.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

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

fig. 4 is a schematic view of the structure of the thread holding piece of the present invention.

In the figure: 1. a ball valve; 2. a servo motor; 3. upper latch teeth; 4. a lower latch; 5. a bearing housing; 6. a pipeline fixing buckle; 7. a drive shaft; 8. a rotating shaft; 9. a seal ring; 10. an extraction cabin; 11. extracting the blades; 12. a water outlet pipe; 13. fixing the support plate; 14. a rotary switch; 15. a pointer; 16. a digital disk; 17. fixing the bolt; 18. a limit bolt; 19. fixing teeth; 20. a thread clamping piece; 21. a sleeve; 22. a limiting sheet; 23. a threaded lug; 24. fastening a nut; 25. a fixed arm; 26. and (4) sealing rubber sleeves.

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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a high performance liquid chromatograph regulates and control device with infusion, including ball valve 1 and extraction cabin 10, the right side fixedly connected with liquid outlet of ball valve 1, the right side fixedly connected with inlet of extraction cabin 10, sleeve pipe 21 has been cup jointed to the right side of liquid outlet and inlet, the threaded hole is seted up at the top of sleeve pipe 21, screw hole female connection has fixing bolt 17, the spacing piece of right side fixedly connected with 22 of sleeve pipe 21, sleeve pipe 21's right side fixedly connected with screw thread holding piece 20, the outer wall threaded connection of screw thread holding piece 20 has fastening nut 24, fastening nut 24's top fixedly connected with screw thread ear 23, screw thread ear 23 female connection has spacing bolt 18, the inside fixedly connected with fixed tooth 19 in left side of screw thread holding piece 20, the inner wall fixedly connected with rubber seal cover 26 of screw thread holding piece 20, the positive fixedly connected with fixed support plate 13 in top of extraction cabin 10.

In this embodiment, be the vulcanite cover through rubber seal cover 26, for the leakproofness of better assurance junction, prevent the weeping, it is fixed with the pipeline through fixed tooth 19, prevent that the pipeline breaks away from because of the water hammer effect.

Specifically, the inner wall of the extraction cabin 10 is rotatably connected with a rotating shaft 8, the bottom of the rotating shaft 8 is fixedly connected with an extraction blade 11, and the outer side of the bottom of the rotating shaft 8 is sleeved with a sealing ring 9.

In this embodiment, the liquid is pumped up by the pumping blade 11, and the sealing performance of the joint is improved by the sealing ring 9.

Specifically, the top of extraction cabin 10 is passed through the bolt and is installed bearing box 5, and the inside of bearing box 5 is rotated and is connected with transmission shaft 7, and the bottom joint of transmission shaft 7 is at the top of axis of rotation 8, and latch 4 under the top fixedly connected with of transmission shaft 7.

In this embodiment, make transmission efficiency higher through bearing box 5, make things convenient for the dismouting of part to be fixed simultaneously.

Specifically, servo motor 2 is installed through the bolt to the reverse side of fixed support plate 13, and latch 3 is gone up to the bottom fixedly connected with of servo motor 2's output, goes up latch 3 and the joint between 4 latches of lower latch each other.

In this embodiment, through last latch 3 with lower latch 4 make things convenient for the transmission, make things convenient for transmission system to overhaul and follow the trade simultaneously.

Specifically, the lower extreme right side fixedly connected with outlet pipe 12 of extraction cabin 10, the outer wall joint of outlet pipe 12 has the pipeline to detain 6, and the reverse side of pipeline knot 6 is passed through the bolt and is installed in the front of fixed bolster 13, and the top fixedly connected with fixed arm 25 of fixed bolster 13, the ball valve 1 has been cup jointed in the front of fixed arm 25.

In this embodiment, the water outlet pipe 12 is conveniently fixed by the pipe fixing buckle 6, so as to prevent the water outlet pipe 12 from shaking and breaking due to the water hammer effect.

Specifically, a digital disc 16 is fixedly connected to the top of the ball valve 1, a rotary switch 14 is rotatably connected to the top of the digital disc 16, and a pointer 15 is fixedly connected to the reverse side of the rotary switch 14.

In this embodiment, the water output is conveniently controlled by the pointer 15 and the digital disc 16, so that the water output can be visualized by numbers.

The utility model discloses a theory of operation and use flow: when using, the delivery port on the ball valve 1 and the water inlet on the extraction cabin 10 have cup jointed sleeve 21, it is fixed with sleeve 21 through fixing bolt 17, insert connecting tube in screw thread holding piece 20, make the end of inserting of pipeline insert in rubber seal cover 26, rotatory fastening nut 24, make screw thread holding piece 20 tightly grasp the pipeline, rotatory limiting bolt 18 to limiting bolt 18 tightly support the outside at limiting piece 22, rethread pipeline is fixed to be detained 6 and is detained outlet pipe 12, and install on fixed support plate 13 with pipeline fixed knot 6 through the bolt, rotatory rotary switch 14 makes the pointer 15 point to the flow that needs on the several dish 16, it drives extraction blade 11 and begin the pump and get liquid to open servo motor 2.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a high performance liquid chromatograph regulates and control device with infusion, includes ball valve (1) and extraction cabin (10), its characterized in that: the right side of the ball valve (1) is fixedly connected with a liquid outlet, the right side of the extraction cabin (10) is fixedly connected with a liquid inlet, the right sides of the liquid outlet and the liquid inlet are sleeved with a sleeve (21), the top of the sleeve (21) is provided with a threaded hole, a fixing bolt (17) is in threaded connection with the threaded hole, a limiting piece (22) is fixedly connected with the right side of the sleeve (21), a threaded clamping piece (20) is fixedly connected with the right side of the sleeve (21), a fastening nut (24) is in threaded connection with the outer wall of the threaded clamping piece (20), a threaded lug (23) is fixedly connected with the top of the fastening nut (24), a limiting bolt (18) is in threaded connection with the threaded lug (23), a fixed tooth (19) is fixedly connected with the inside of the left side of the threaded clamping piece (20), and a rubber sealing sleeve (26) is fixedly connected with the inner wall of the threaded clamping piece (20), the front side of the top of the extraction cabin (10) is fixedly connected with a fixed support plate (13).

2. The infusion control device for the high performance liquid chromatograph according to claim 1, wherein: the inner wall of extraction cabin (10) rotates and is connected with axis of rotation (8), the bottom fixedly connected with extraction blade (11) of axis of rotation (8), sealing washer (9) have been cup jointed in the bottom outside of axis of rotation (8).

3. The infusion control device for the high performance liquid chromatograph according to claim 1, wherein: bearing box (5) are installed through the bolt at the top in extraction cabin (10), the inside rotation of bearing box (5) is connected with transmission shaft (7), the bottom joint of transmission shaft (7) is at the top of axis of rotation (8), latch (4) under the top fixedly connected with of transmission shaft (7).

4. The infusion control device for the high performance liquid chromatograph according to claim 1, wherein: servo motor (2) are installed through the bolt to the reverse side of fixed support board (13), latch (3) are gone up to the bottom fixedly connected with of the output of servo motor (2), go up latch (3) and latch (4) joint between each other down.

5. The infusion control device for the high performance liquid chromatograph according to claim 1, wherein: the lower extreme right side fixedly connected with outlet pipe (12) of extraction cabin (10), the outer wall joint of outlet pipe (12) has pipeline fixing buckle (6), the front at fixed bolster (13) is passed through the bolt to the reverse side of pipeline fixing buckle (6), the top fixedly connected with fixed arm (25) of fixed bolster (13), ball valve (1) has been cup jointed in the front of fixed arm (25).

6. The infusion control device for the high performance liquid chromatograph according to claim 1, wherein: the top of the ball valve (1) is fixedly connected with a digital disc (16), the top of the digital disc (16) is rotatably connected with a rotary switch (14), and the reverse side of the rotary switch (14) is fixedly connected with a pointer (15).

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