CN210923593U

CN210923593U - Ion chromatograph sampling device

Info

Publication number: CN210923593U
Application number: CN201921568205.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Hunan Junhao Traditional Chinese Medicine Decoction Pieces Science And Trade Co ltd
Current assignee: Hunan Junhao Traditional Chinese Medicine Decoction Pieces Science And Trade Co ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-03
Anticipated expiration: 2029-09-20

Abstract

The utility model belongs to the technical field of ion chromatograph equipment, especially, be an ion chromatograph sampling device, the mounting panel comprises a mounting panel, the top fixed mounting of mounting panel has rotary mechanism, fixed mounting has the support plectane on the rotary mechanism, and the top equidistant of place support plectane is encircleed and is provided with first stop collar and second stop collar. The utility model discloses compare with current ion chromatograph sampling device, cross and improve sampling device's structure, through increasing adjustment mechanism and regulating plate, can adjust the interval between support plectane and the regulating plate to can be suitable for the not co-altitude sample introduction pipe that nevertheless the diameter is the same, it is loaded down with trivial details consequently to advance the appearance step when can avoiding facing bulky sample, can shorten the sample introduction time, improves the efficiency of advance kind work, improves the practicality and the suitability of utility model, owing to avoid the same sample to carry out the multiple sampling, can guarantee ion chromatograph testing result's accuracy to a certain extent.

Description

Ion chromatograph sampling device

Technical Field

The utility model relates to an ion chromatograph equipment technical field specifically is an ion chromatograph sampling device.

Background

The ion chromatography is a kind of high performance liquid chromatography, so it is also called high performance ion chromatography or modern ion chromatography, it is different from traditional ion exchange chromatography column chromatography mainly that the resin has very high cross linking degree and lower exchange capacity, wherein, the sample injection device of the ion chromatography is an accessory equipment in the ion chromatography, the related accessory equipment also includes pipeline cleaning device, on-line degasser, etc.

Along with the development of science and technology, the sampling device that current ion chromatograph used is automatic sampler mostly, will advance the appearance pipe and place on can the pivoted carousel, when the carousel drove the appearance pipe and rotate a certain position and be, utilizes adjustment mechanism to drive the needle tubing and descend, utilizes the drawing liquid pump to drive the needle tubing with the inside liquid of sampling tube and takes out, then carries into in the ion chromatograph behind the six-way valve to carry out the conductance detection to the sample.

However, the prior sample injection device for the ion chromatograph has the following defects when in use:

the structure position of the rotary table is fixed, and can not be regulated, because the diameters of the sample inlet pipes which can be placed on the rotary table are fixed, when the sample inlet volume is required to be overlarge, the sample inlet pipes with the same diameter but different heights can not be selected, although the sample inlet volume can be increased by the sample inlet pipe with higher height, the sample inlet pipe is too high, and the sample inlet pipe can be toppled in the rotary table rotating process, so at present, a sample with large volume is subpackaged by utilizing a plurality of sample inlet pipes, then the sample inlet pipes with the same sample are sequentially used for sample inlet work, the sample inlet method causes complicated sample inlet steps, because the needle pipe and a pipeline system can be cleaned by utilizing ultrapure water after each sample inlet is finished, so the sample inlet method needs to consume a large amount of time, because the same sample is injected for a plurality of times, and a certain time difference exists, certain influence is caused to the accuracy of the detection result.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an ion chromatograph sampling device has solved current ion chromatograph's sampling device can't be suitable for the bulky appearance work of advancing of sample in the use, causes and needs to consume a large amount of kind operating time to can cause the problem of certain influence to the testing result.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ion chromatograph sampling device, includes the mounting panel, the top fixed mounting of mounting panel has rotary mechanism, fixed mounting has the support plectane on the rotary mechanism, and the top equidistant of the support plectane at place is encircleed and is provided with first stop collar and second stop collar, the top of support plectane is provided with the regulating plate, the top fixed mounting of support plectane has the adjustment mechanism that is used for driving the regulating plate to carry out height control, the regulating plate is fixed on adjustment mechanism, the top equidistant of regulating plate is encircleed and is seted up first spacing hole and second spacing hole, the top fixed mounting of mounting panel has two support columns, two the top fixed mounting of support column has the roof, the top fixed mounting of roof has the drawing liquid pump, the exit of drawing liquid pump communicates respectively has feed liquor pipe and drain pipe, the one end intercommunication that the drawing, and the top plate is provided with a lifting mechanism for driving the needle tube to lift along the vertical direction.

As a preferred technical scheme of the utility model, the internal diameter of first stop collar and the diameter in first spacing hole equal, the internal diameter of second stop collar and the diameter in the spacing hole of second equal, the internal diameter of first stop collar is greater than the internal diameter of second stop collar.

As a preferred technical scheme of the utility model, rotary mechanism is including fixing the solid fixed cylinder at mounting panel top, the bottom fixed mounting of solid fixed cylinder inner wall has rotating electrical machines and rotation axis, the bottom fixed connection of bearing frame and solid fixed cylinder inner wall is passed through to the one end of rotation axis, rotating electrical machines's output shaft fixed mounting has drive gear, the fixed surface of rotation axis installs drive gear, drive gear and drive gear mesh mutually, the other end of rotation axis and the bottom fixed connection who supports the plectane.

As a preferred technical scheme of the utility model, adjustment mechanism includes that two are fixed at the installation section of thick bamboo that supports the plectane top, two inside difference fixed mounting of installation section of thick bamboo has accommodate the lead screw and adjust the slide bar, the bottom fixed connection of bearing and corresponding installation section of thick bamboo inner wall is passed through to accommodate the lead screw's one end, accommodate the lead screw's other end fixed mounting has the turning handle, be provided with the connecting plate on accommodate the lead screw and the adjust the slide bar, connecting plate and accommodate the lead screw threaded connection, connecting plate and adjust slide bar sliding connection, the top symmetry fixed mounting of connecting plate has two pillars, the bottom of regulating plate and the top fixed connection of two pillars.

As a preferred technical scheme of the utility model, adjustment mechanism still includes two and fixes the stiffener at supporting the plectane top, two equal sliding connection has the boss, two on the stiffener the equal fixed mounting in one side that the boss is relative has the stiffener, two the one end of stiffener all with connecting plate fixed connection, two the equal fixed mounting in top of connecting plate has the enhancement post, two the top of enhancement post all with the bottom fixed connection of regulating plate.

As an optimal technical scheme of the utility model, circular through-hole has been seted up on the regulating plate.

As a preferred technical scheme of the utility model, elevating system includes lift lead screw, lift slide bar and elevator motor, the bottom fixed connection of bearing frame and roof is passed through to the one end of lift lead screw, the one end of lift slide bar and the bottom fixed connection of roof, elevator motor's bottom and the top fixed connection of roof, elevator motor's output shaft passes through the one end fixed connection of shaft coupling and lift lead screw, be provided with T type lifter plate on lift lead screw and the lift slide bar, T type lifter plate and lift lead screw threaded connection, T type lifter plate and lift slide bar sliding connection, the needle tubing is fixed on T type lifter plate.

(III) advantageous effects

Compared with the prior art, the utility model provides an ion chromatograph sampling device possesses following beneficial effect:

this ion chromatograph sampling device compares with current ion chromatograph sampling device, crosses and improves sampling device's structure, through increasing adjustment mechanism and regulating plate, can adjust the interval between support plectane and the regulating plate to can be suitable for the not same high sample tube that advances that the diameter is the same, consequently can avoid advancing the appearance step when facing bulky sample loaded down with trivial details, can shorten the appearance time of advancing, improve the efficiency of advance kind work, improve the practicality and the suitability of this practicality, owing to avoid the same sample to advance kind many times, can guarantee ion chromatograph testing result's accuracy to a certain extent.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the fixing cylinder of the present invention;

fig. 3 is a schematic view of the structure of the adjusting mechanism of the present invention.

In the figure: 1. mounting a plate; 2. a rotation mechanism; 201. a fixed cylinder; 202. a rotating electric machine; 203. a rotating shaft; 204. a drive gear; 205. a transmission gear; 3. a supporting circular plate; 4. a first stop collar; 5. a second stop collar; 6. an adjustment mechanism; 601. mounting the cylinder; 602. adjusting the screw rod; 603. adjusting the sliding rod; 604. a connecting plate; 605. a pillar; 606. a reinforcing bar; 607. a reinforcing block; 608. a reinforcing plate; 609. a reinforcement column; 7. an adjusting plate; 8. a first limit hole; 9. a second limiting hole; 10. a support pillar; 11. a top plate; 12. a liquid pump; 13. a liquid inlet pipe; 14. a liquid outlet pipe; 15. a needle tube; 16. a lifting mechanism; 1601. a lifting screw rod; 1602. lifting the sliding rod; 1603. a lifting motor; 1604. t type lifter plate.

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. 1-3, the present invention provides the following technical solutions: a sample introduction device of an ion chromatograph comprises a mounting plate 1, a rotating mechanism 2 is fixedly mounted at the top of the mounting plate 1, a supporting circular plate 3 is fixedly mounted on the rotating mechanism 2, a first limiting sleeve 4 and a second limiting sleeve 5 are arranged at the top of the supporting circular plate 3 in an equidistant mode, an adjusting plate 7 is arranged above the supporting circular plate 3, an adjusting mechanism 6 for driving the adjusting plate 7 to adjust the height is fixedly mounted at the top of the supporting circular plate 3, the adjusting plate 7 is fixed on the adjusting mechanism 6, a first limiting hole 8 and a second limiting hole 9 are formed at the top of the adjusting plate 7 in an equidistant mode, two supporting columns 10 are fixedly mounted at the top of the mounting plate 1, top plates 11 are fixedly mounted at the tops of the two supporting columns 10, a liquid pump 12 is fixedly mounted at the top of the top plates 11, an inlet and an outlet of the liquid pump 12 are respectively communicated with a liquid inlet pipe 13 and a liquid outlet, the top plate 11 is provided with a lifting mechanism 16 for driving the needle tube 15 to lift and lower in the vertical direction.

In this embodiment, the first and second position-limiting sleeves 4 and 5 on the supporting circular plate 3 correspond to the first and second position-limiting holes 8 and 9 on the adjusting plate 7 one by one, wherein the first position-limiting sleeves 4 and the first position-limiting holes 8 are used for placing solvent cups and water purification cups, the solvent and water purification refers to the solvent and water purification discharged in the process of cleaning the pipeline of the sample injection device, and the second position-limiting sleeves 5 and the second position-limiting holes 9 are used for placing sampling tubes for storing samples; valves are arranged on the liquid inlet pipe 13 and the liquid outlet pipe 14, so that the opening and closing of the pipelines are realized; compare with current ion chromatograph sampling device, improve through the structure to sampling device, increase adjustment mechanism 6 and regulating plate 7, can adjust the interval between support plectane 3 and the regulating plate 7 to can be suitable for not co-altitude but the sample tube that the diameter is the same, it is loaded down with trivial details to advance the appearance step when consequently can avoiding facing bulky sample, can shorten the appearance time of advancing, improves the efficiency of advance kind work, improves the practicality and the suitability of the utility model, owing to avoid the same sample to advance kind many times, can guarantee ion chromatograph testing result's accuracy to a certain extent.

Specifically, the inner diameter of the first limiting sleeve 4 is equal to the diameter of the first limiting hole 8, the inner diameter of the second limiting sleeve 5 is equal to the diameter of the second limiting hole 9, and the inner diameter of the first limiting sleeve 4 is larger than the inner diameter of the second limiting sleeve 5.

In this embodiment, all need wash the pipe-line system after considering sampling at every turn, consequently set up the diameter of the first spacing hole 8 of first stop collar 4 great to can deposit more solvents and water purification, avoid often needing to change empty solvent cup and water purification cup.

Specifically, the rotating mechanism 2 comprises a fixed cylinder 201 fixed on the top of the mounting plate 1, a rotating motor 202 and a rotating shaft 203 are fixedly mounted at the bottom of the inner wall of the fixed cylinder 201, one end of the rotating shaft 203 is fixedly connected with the bottom of the inner wall of the fixed cylinder 201 through a bearing seat, a driving gear 204 is fixedly mounted on an output shaft of the rotating motor 202, a transmission gear 205 is fixedly mounted on the outer surface of the rotating shaft 203, the driving gear 204 is meshed with the transmission gear 205, and the other end of the rotating shaft 203 is fixedly connected with the bottom of the supporting.

In this embodiment, drive gear 204 through starting rotating electrical machines 202 and rotate, drive gear 204 drives and rotates rather than engaged with drive gear 205, both drive rotation axis 203 and rotate to drive and support plectane 3 and take place to rotate, through the cooperation of adjustment mechanism 6 and regulating plate 7, can drive into appearance pipe, solvent cup and water purification cup and take place to rotate and move under needle tubing 15, accomplished the rotatory step of sample work, be favorable to going on smoothly of sample work.

Specifically, the adjusting mechanism 6 comprises two mounting cylinders 601 fixed at the top of the supporting circular plate 3, an adjusting screw 602 and an adjusting slide rod 603 are respectively and fixedly mounted inside the two mounting cylinders 601, one end of the adjusting screw 602 is fixedly connected with the bottom of the inner wall of the corresponding mounting cylinder 601 through a bearing, a rotating handle is fixedly mounted at the other end of the adjusting screw 602, connecting plates 604 are arranged on the adjusting screw 602 and the adjusting slide rod 603, the connecting plates 604 are in threaded connection with the adjusting screw 602, the connecting plates 604 are in sliding connection with the adjusting slide rod 603, two support columns 605 are symmetrically and fixedly mounted at the top of the connecting plates 604, and the bottom of the adjusting plate 7 is fixedly connected with the tops of the.

In this embodiment, the connecting plate 604 is provided with a threaded hole and a sliding hole, the threaded hole is used for being in threaded connection with the adjusting screw 602, and the sliding hole is used for being in sliding connection with the connecting plate 604; in order to be suitable for the sampling tube of co-altitude not, when needing the interval between adjustment plate 7 and the support plectane 3, drive accommodate the lead screw 602 through rotatory turning handle and take place to rotate, connecting plate 604 carries out vertical direction removal on accommodate the lead screw 602 and adjust slide bar 603 this moment, according to the direction of rotating the turning handle, rises or descends the regulation to connecting plate 604 to install the adjustment plate 7 on pillar 605 and can carry out altitude mixture control, can satisfy bulky sample sampling work, strengthened the utility model discloses an applicability and practicality.

Specifically, the adjusting mechanism 6 further includes two reinforcing rods 606 fixed to the top of the supporting circular plate 3, the two reinforcing rods 606 are both slidably connected to reinforcing blocks 607, reinforcing plates 608 are fixedly mounted on opposite sides of the two reinforcing blocks 607, one ends of the two reinforcing plates 608 are both fixedly connected to the connecting plates 604, reinforcing columns 609 are fixedly mounted on the tops of the two connecting plates 604, and the tops of the two reinforcing columns 609 are both fixedly connected to the bottom of the adjusting plate 7.

In this embodiment, in the adjusting process of the connecting plate 604, the two reinforcing blocks 607 slide on the reinforcing rod 606 through the reinforcing plate 608, the two reinforcing columns 609 on the two reinforcing plates 608 are also fixedly connected with the adjusting plate 7, the stability of the adjusting plate 7 in the lifting process can be improved, and the structural strength of the adjusting plate 7 can be enhanced.

Specifically, the adjusting plate 7 is provided with a circular through hole.

In this embodiment, the number of the circular through holes is four, and the circular through holes correspond to the two mounting cylinders 601 and the two reinforcing rods 606, so that the adjustment process of the adjustment plate 7 can be performed smoothly.

Specifically, the lifting mechanism 16 includes a lifting screw 1601, a lifting slide bar 1602 and a lifting motor 1603, one end of the lifting screw 1601 is fixedly connected with the bottom of the top plate 11 through a bearing seat, one end of the lifting slide bar 1602 is fixedly connected with the bottom of the top plate 11, the bottom of the lifting motor 1603 is fixedly connected with the top of the top plate 11, an output shaft of the lifting motor 1603 is fixedly connected with one end of the lifting screw 1601 through a coupler, a T-shaped lifting plate 1604 is arranged on the lifting screw 1601 and the lifting slide bar 1602, the T-shaped lifting plate 1604 is in threaded connection with the lifting screw 1601, the T-shaped lifting plate 1604 is in sliding connection with the lifting slide bar 1602, and the needle tube 15 is fixed on the T-shaped lifting.

In this embodiment, as with the connecting plate 604, the T-shaped lifting plate 1604 has a threaded hole and a sliding hole, and functions as same; carry out the sample during operation, drive lift lead screw 1601 and take place to rotate through starting elevator motor 1603, T type lifter plate 1604 carries out the removal of vertical direction on lift lead screw 1601 and lift slide 1602, drives needle tubing 15 and removes, inserts back in the sampling flask with needle tubing 15, starts drawing liquid pump 12, takes the sample back out through needle tubing 15, enters into six-way valve (not shown in the figure) after feed liquor pipe 13 and drain pipe 14, then enters into and detects the experiment in the ion chromatograph, has ensured the utility model discloses the integrality of structure can accomplish smoothly and advance kind work.

The utility model discloses a theory of operation and use flow: firstly, the space between the supporting circular plate 3 and the adjusting plate 7 is adjusted according to the volume of the sampling sample, the adjusting screw 602 is driven to rotate by rotating the rotating handle, at the moment, the connecting plate 604 moves vertically on the adjusting screw 602 and the adjusting slide rod 603, the connecting plate 604 is adjusted to ascend or descend according to the direction of the rotating handle, so that the adjusting plate 7 arranged on the support column 605 can be adjusted in height, after the adjusting work is finished, the sampling bottle, the solvent cup and the water purification cup are respectively placed, the rotating motor 202 is started to drive the driving gear 204 to rotate, the driving gear 204 drives the transmission gear 205 meshed with the driving gear to rotate, the rotating shaft 203 is driven to rotate, the supporting circular plate 3 is driven to rotate, and the sample feeding pipe, the solvent cup and the water purification cup can be driven to rotate and move to the position right below the needle tube 15 by the matching of the adjusting mechanism 6 and the adjusting plate 7, then, the lifting motor 1603 is started to drive the lifting screw 1601 to rotate, the T-shaped lifting plate 1604 moves in the vertical direction on the lifting screw 1601 and the lifting slide 1602 to drive the needle tube 15 to move, after the needle tube 15 is inserted into the sampling bottle, the liquid pump 12 is started, the sample is pumped out through the needle tube 15, passes through the liquid inlet tube 13 and the liquid outlet tube 14, enters a six-way valve (not shown in the figure), and then enters the ion chromatograph to perform a detection experiment.

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

1. The utility model provides an ion chromatograph sampling device, includes mounting panel (1), its characterized in that: the top fixed mounting of mounting panel (1) has rotary mechanism (2), fixed mounting has support plectane (3) on rotary mechanism (2), and the top equidistant of place support plectane (3) encircles and is provided with first stop collar (4) and second stop collar (5), the top of support plectane (3) is provided with regulating plate (7), the top fixed mounting of support plectane (3) has adjustment mechanism (6) that is used for driving regulating plate (7) to carry out height control, regulating plate (7) are fixed on adjustment mechanism (6), the top equidistant of regulating plate (7) encircles and has seted up first spacing hole (8) and second spacing hole (9), the top fixed mounting of mounting panel (1) has two support columns (10), and the top fixed mounting of two support columns (10) has roof (11), the top fixed mounting of roof (11) has drawing liquid pump (12), an inlet and an outlet of the liquid pump (12) are respectively communicated with a liquid inlet pipe (13) and a liquid outlet pipe (14), one end, far away from the inlet of the liquid pump (12), of the liquid inlet pipe (13) is communicated with a needle tube (15), and a lifting mechanism (16) used for driving the needle tube (15) to lift along the vertical direction is arranged on the top plate (11).

2. The ion chromatograph sampling device of claim 1, wherein: the inner diameter of the first limiting sleeve (4) is equal to the diameter of the first limiting hole (8), the inner diameter of the second limiting sleeve (5) is equal to the diameter of the second limiting hole (9), and the inner diameter of the first limiting sleeve (4) is larger than the inner diameter of the second limiting sleeve (5).

3. The ion chromatograph sampling device of claim 1, wherein: rotary mechanism (2) are including fixing fixed cylinder (201) at mounting panel (1) top, the bottom fixed mounting of fixed cylinder (201) inner wall has rotating electrical machines (202) and rotation axis (203), the bottom fixed connection of bearing frame and fixed cylinder (201) inner wall is passed through to the one end of rotation axis (203), the output shaft fixed mounting of rotating electrical machines (202) has drive gear (204), the outer fixed surface of rotation axis (203) installs drive gear (205), drive gear (204) and drive gear (205) mesh mutually, the other end of rotation axis (203) and the bottom fixed connection who supports plectane (3).

4. The ion chromatograph sampling device of claim 1, wherein: the adjusting mechanism (6) comprises two mounting cylinders (601) fixed at the top of the supporting circular plate (3), wherein an adjusting screw rod (602) and an adjusting slide rod (603) are respectively and fixedly mounted inside the mounting cylinders (601), one end of the adjusting screw rod (602) is fixedly connected with the bottom of the inner wall of the corresponding mounting cylinder (601) through a bearing, a rotating handle is fixedly mounted at the other end of the adjusting screw rod (602), a connecting plate (604) is arranged on the adjusting screw rod (602) and the adjusting slide rod (603), the connecting plate (604) is in threaded connection with the adjusting screw rod (602), the connecting plate (604) is in sliding connection with the adjusting slide rod (603), two support columns (605) are symmetrically and fixedly mounted at the top of the connecting plate (604), and the bottom of the adjusting plate (7) is fixedly connected with the tops of the two support columns (605).

5. The ion chromatograph sampling device of claim 4, wherein: the adjusting mechanism (6) further comprises two reinforcing rods (606) fixed to the top of the supporting circular plate (3), reinforcing blocks (607) are connected to the two reinforcing rods (606) in a sliding mode, reinforcing plates (608) are fixedly mounted on the opposite sides of the two reinforcing blocks (607), one ends of the two reinforcing plates (608) are fixedly connected with the connecting plates (604), reinforcing columns (609) are fixedly mounted on the tops of the two connecting plates (604), and the tops of the two reinforcing columns (609) are fixedly connected with the bottom of the adjusting plate (7).

6. The ion chromatograph sampling device of claim 1, wherein: the adjusting plate (7) is provided with a circular through hole.

7. The ion chromatograph sampling device of claim 1, wherein: elevating system (16) are including lift lead screw (1601), lift slide bar (1602) and elevator motor (1603), the bottom fixed connection of bearing frame and roof (11) is passed through to the one end of lift lead screw (1601), the bottom fixed connection of the one end of lift slide bar (1602) and roof (11), the bottom of elevator motor (1603) and the top fixed connection of roof (11), the output shaft of elevator motor (1603) passes through the one end fixed connection of shaft coupling and lift lead screw (1601), be provided with T type lifter plate (1604) on lift lead screw (1601) and lift slide bar (1602), T type lifter plate (1604) and lift lead screw (1601) threaded connection, T type lifter plate (1604) and lift slide bar (1602) sliding connection, needle tubing (15) are fixed on T type lifter plate (1604).