CN217931387U

CN217931387U - Automatic sample introduction device of atomic fluorescence photometer

Info

Publication number: CN217931387U
Application number: CN202221807903.7U
Authority: CN
Inventors: 余晓丰; 归雪娟; 陈爽
Original assignee: Guangdong Jixiang Testing Technology Co ltd
Current assignee: Guangdong Jixiang Testing Technology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-29
Anticipated expiration: 2032-07-13

Abstract

The utility model relates to an atomic fluorescence photometer technical field discloses an atomic fluorescence photometer's autoinjection device, including the fixed frame plate unit and install the sample tube unit on the fixed frame plate unit, and still be provided with pipe fitting cleaning unit on the fixed frame plate unit, after the appearance of advancing, the clean liquid pump suction that holds the incasement with the cleaning solution through the drawing liquid pump washes the main pipe body in vivo, reaches clean effect, reduces the influence that the internal residual sample of main pipe detected next time; when being responsible for the body and washing, the grafting valve plate carries out the shutoff to the catheter, and electric telescopic handle A's flexible end does not return and contracts, splint and locating rack pole do not press from both sides tight to fluid-discharge hose, get into and be responsible for internal washing liquid and discharge from fluid-discharge hose, wash the completion back, electric telescopic handle A's flexible end returns and contracts, splint and locating rack pole press from both sides tightly to fluid-discharge hose and make fluid-discharge hose seal, and the sample can not run off from fluid-discharge hose during the detection.

Description

Automatic sample introduction device of atomic fluorescence photometer

Technical Field

The utility model relates to an atomic fluorescence photometer technical field specifically is an atomic fluorescence photometer's autoinjection device.

Background

The atomic fluorescence photometer uses potassium borohydride or sodium borohydride as a reducing agent to reduce an element to be analyzed in a sample solution into volatile covalent gaseous hydride (or atomic vapor), and then introduces the volatile covalent gaseous hydride (or atomic vapor) into an atomizer by means of a carrier gas, and the volatile covalent gaseous hydride is atomized in an argon-hydrogen flame to form a ground state atom.

The patent document with the publication number of CN214041153U discloses a sampling device of an atomic fluorescence spectrophotometer, which comprises a tube head, the bottom of the tube head is provided with a plugging mechanism, the plugging mechanism comprises a supporting plate, a plug, a convex rod, a bent block, a horizontal strip ring, a sliding column, a U-shaped rod, a lead screw, a square rod, a vertical cylinder, a support, a short cylinder and a circular plate, the supporting plate is positioned at the bottom end of the tube head, and the upper surface of the supporting plate is fixedly connected with the plug.

Above-mentioned atomic fluorescence photometer's sampling device can fill in the inside bottom of tube head again with the stopper when carrying out the use, goes out the appearance pipe promptly and accomplishes out the appearance operation after, can make the remaining appearance agent of the inside bottom of stock layout pipeline carry out proper airtight preservation, is difficult for contacting with external element, is convenient for ensure the accurate of application of sample operation next time and goes on, nevertheless inconvenient cleaning the appearance pipe after using when going on, and carries out the complex operation of shutoff to the appearance pipe and be not convenient for go on.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an atomic fluorescence photometer's autoinjection device, including the fixed frame plate unit with install the sample tube unit on the fixed frame plate unit, and still be provided with the pipe fitting cleaning unit on the fixed frame plate unit, the convenience is cleaned the sample tube, and is convenient for carry out the shutoff operation to solve the problem in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an automatic sample introduction device of an atomic fluorescence photometer comprises a fixed frame plate unit and a sample introduction pipe unit arranged on the fixed frame plate unit, wherein a pipe fitting cleaning unit is also arranged on the fixed frame plate unit, the fixed frame plate unit comprises a frame plate body and an inwards concave mounting groove formed in the side surface of the frame plate body, and a fixed ring sheet used for fixing the sample introduction pipe unit is arranged on the frame plate body;

advance appearance pipe unit and include the advance kind pipe fitting of fixed mounting in the indent mounting groove and set up the hose closure spare at frame plate body lower extreme, still be provided with at the lower extreme of frame plate body and be used for carrying out the shutoff valve plate spare of advancing kind pipe fitting lower extreme, pipe fitting cleaning unit includes that the cleaning solution of fixed mounting in frame plate body upper end one side holds case and the drawing liquid pump of fixed mounting on the cleaning solution holds the case, the drawing liquid end of drawing liquid pump stretches into the cleaning solution and holds the incasement, connect the catheter on the liquid outlet end, the other end of catheter is connected with the upper end of advancing kind pipe fitting, the cleaning solution that will install the drawing liquid pump holds the case fixed setting in the side of frame plate body, and connect the catheter on the liquid outlet end of drawing liquid pump, the other end and the upper end of being responsible for the body of catheter are connected, after advancing kind and accomplishing, the cleaning liquid pump suction that holds the incasement with the cleaning solution through the cleaning solution is responsible for the internal and is washed the body, reach clear effect, reduce the influence of being responsible for the internal incomplete appearance and detecting next time.

Preferably, one side of the lower end of the frame plate body is provided with an installation cavity for installing the hose sealing piece.

Preferably, the hose closing member comprises an electric telescopic rod A fixedly installed in the installation cavity and a positioning frame rod fixedly arranged on the lower end face of the frame plate body, guide pillars are movably inserted and installed at two ends of the positioning frame rod, a welding clamp plate is fixedly arranged at the lower ends of the guide pillars, and the upper ends of the guide pillars penetrate through the lower end of the frame plate body and extend into the installation cavity and are fixedly connected with the telescopic end of the electric telescopic rod A.

Preferably, the sampling pipe spare includes the main body of fixed mounting in the indent mounting groove and sets up at main body lower extreme and with the honeycomb duct of being responsible for body intercommunication, and the fixed flowing back hose that sets up in the side of honeycomb duct, and flowing back hose sets up between spacer bar and splint, the flowing back hose that sets up the catheter side sets up between spacer bar and splint, when washing main body, the grafting valve plate carries out the shutoff to the catheter, and electric telescopic handle A's flexible end does not return and contracts, splint and spacer bar do not press from both sides tight flowing back hose, it discharges from flowing back hose to get into the internal washing liquid of being responsible for, wash and accomplish the back, electric telescopic handle A's flexible end returns and contracts, splint and spacer bar press from both sides tight the flowing back hose and make the flowing back hose seal to the flowing back hose, the sample can not run off from the flowing back hose during the detection.

Preferably, a sealing slot is arranged inside the flow guide pipe.

Preferably, shutoff valve plate spare is including fixed installation box and the electric telescopic handle B of fixed mounting in the installation box that sets up at frame plate body lower extreme, fixed mounting grafting valve plate on electric telescopic handle B's the flexible end, and the interface that grafting valve plate was seted up through the honeycomb duct is pegged graft in sealed slot, with the inside installation box fixed mounting that is provided with electric telescopic handle B at the lower extreme of frame plate body, and electric telescopic handle B stretches out and draws back the interface grafting that the grafting valve plate of serving the connection passes through the honeycomb duct and pegs graft in sealed slot, drive the grafting valve plate through electric telescopic handle B flexible end and remove and carry out the shutoff and open the operation to the catheter, simple structure and shutoff and the operation of opening are convenient for go on.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of atomic fluorescence photometer's autoinjection device, the cleaning solution that will install the drawing liquid pump holds the fixed side that sets up at the plate frame body, and the play liquid end of drawing liquid pump is served and is connected the catheter, the other end of catheter and the upper end of being responsible for the body are connected, after advancing the kind and accomplish, hold the cleaning solution pump suction of incasement with the cleaning solution through the drawing liquid pump and be responsible for internally washing being responsible for the body, reach clear effect, reduce the influence of being responsible for internal incomplete appearance to next measuring.

2. The utility model provides a pair of atomic fluorescence photometer's autoinjection device, the installation box fixed mounting that will inside be provided with electric telescopic handle B is at the lower extreme of the frame plate body, and the interface that the grafting valve plate of electric telescopic handle B flexible end connection was seted up through the honeycomb duct is pegged graft in sealed slot, it removes to carry out the shutoff to the catheter and open the operation to drive the grafting valve plate through electric telescopic handle B flexible end, simple structure and shutoff and the operation of opening are convenient for go on, the flowing back hose setting that sets up the catheter side simultaneously is between hack lever and splint, when washing main pipe body, the grafting valve plate carries out the shutoff to the catheter, and electric telescopic handle A's expansion end does not contract back, splint and hack lever do not press from both sides tight the flowing back hose, it discharges from the flowing back hose to get into main pipe internal washing liquid, wash the completion after, electric telescopic handle A's expansion end contracts, splint and locating rack press from both sides tight the flowing back hose and make the flowing back hose seal to the flowing back hose, the sample can not run off from the hose during detection.

Drawings

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

FIG. 2 is a schematic structural view of a rack body, a sample introduction pipe fitting and a pipe fitting cleaning unit of the present invention;

fig. 3 is a schematic view of the connection structure of the plugging valve plate and the frame plate of the present invention;

fig. 4 is a schematic structural view of the plugging valve plate of the present invention;

fig. 5 is a schematic view of the hose closure of the present invention.

In the figure: 1. a fixed frame plate unit; 11. a shelf plate body; 101. a mounting cavity; 12. an inner concave mounting groove; 13. a fixed ring sheet; 14. plugging the valve plate; 141. installing a box body; 142. an electric telescopic rod B; 143. inserting a valve plate; 2. a sample injection pipe unit; 21. a sample introduction pipe fitting; 211. a primary tube; 212. a flow guide pipe; 201. sealing the slot; 213. a drain hose; 22. a hose closure; 221. an electric telescopic rod A; 222. positioning the frame rod; 223. a guide post; 224. a splint; 3. a pipe cleaning unit; 31. a cleaning solution storage tank; 32. a liquid pump; 33. a catheter.

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.

Referring to fig. 1-5, an automatic sample introduction device of an atomic fluorescence spectrophotometer includes a fixed frame plate unit 1 and a sample introduction tube unit 2 installed on the fixed frame plate unit 1, and a tube cleaning unit 3 is further installed on the fixed frame plate unit 1, the fixed frame plate unit 1 includes a frame plate body 11 and an indent installation groove 12 formed in a side surface of the frame plate body 11, and a fixing ring sheet 13 for fixing the sample introduction tube unit 2 is installed on the frame plate body 11.

The sampling pipe unit 2 comprises a sampling pipe 21 fixedly installed in the concave installation groove 12 and a hose closing part 22 arranged at the lower end of the frame plate 11, a blocking valve plate 14 used for blocking the lower end of the sampling pipe 21 is further arranged at the lower end of the frame plate 11, the pipe cleaning unit 3 comprises a cleaning liquid storage box 31 fixedly installed on one side of the upper end of the frame plate 11 and a liquid pump 32 fixedly installed on the cleaning liquid storage box 31, the liquid pumping end of the liquid pump 32 extends into the cleaning liquid storage box 31, a liquid guide pipe 33 is connected to the liquid outlet end, the other end of the liquid guide pipe 33 is connected with the upper end of the sampling pipe 21, the cleaning liquid storage box 31 provided with the liquid pump 32 is fixedly arranged on the side surface of the frame plate 11, a liquid guide pipe 33 is connected to the liquid outlet end of the liquid pump 32, the other end of the liquid guide pipe 33 is connected with the upper end of the main pipe 211, after sampling is completed, the cleaning liquid in the cleaning liquid storage box 31 is pumped into the main pipe 211 through the liquid pump 32 to wash the main pipe 211, a cleaning effect is achieved, and the influence of residual sample in the main pipe 211 on next detection is reduced.

The installation cavity 101 that is used for installing hose closing part 22 is seted up to the lower extreme one side of frame plate body 11, hose closing part 22 includes electric telescopic handle A221 of fixed mounting in installation cavity 101 and the fixed location hack lever 222 that sets up on frame plate body 11 lower terminal surface, and at the both ends activity grafting installation guide pillar 223 of location hack lever 222, the fixed welding splint 224 of lower extreme of guide pillar 223, the upper end of guide pillar 223 runs through in the frame plate body 11 lower extreme stretches into installation cavity 101, and with electric telescopic handle A221's flexible end fixed connection.

The sample introduction pipe 21 comprises a main pipe body 211 fixedly installed in the indent mounting groove 12 and a guide pipe 212 arranged at the lower end of the main pipe body 211 and communicated with the main pipe body 211, a liquid discharge hose 213 is fixedly arranged at the side surface of the guide pipe 212, the liquid discharge hose 213 is arranged between a positioning frame rod 222 and a clamping plate 224, the liquid discharge hose 213 arranged at the side surface of the liquid guide pipe 33 is arranged between the positioning frame rod 222 and the clamping plate 224, when the main pipe body 211 is washed, the insertion valve plate 143 seals the liquid guide pipe 33, the telescopic end of the electric telescopic rod a221 does not retract, the clamping plate 224 and the positioning frame rod 222 do not clamp the liquid discharge hose 213, the cleaning liquid entering the main pipe body 211 is discharged from the liquid discharge hose 213, after the cleaning is completed, the telescopic end of the electric telescopic rod a221 retracts, the clamping plate 224 and the positioning frame rod 222 clamp the liquid discharge hose 213 to seal the liquid discharge hose 213, and the sample cannot run off from the liquid discharge hose 213 during detection.

The inside of honeycomb duct 212 is provided with sealed slot 201, shutoff valve plate spare 14 is including the fixed installation box 141 that sets up at the frame plate body 11 lower extreme and the electric telescopic handle B142 of fixed mounting in installation box 141, fixed mounting grafting valve plate 143 is served in the flexible of electric telescopic handle B142, and grafting valve plate 143 is pegged graft in sealed slot 201 through the interface that honeycomb duct 212 was seted up, with the inside installation box 141 fixed mounting that is provided with electric telescopic handle B142 at the lower extreme of frame plate body 11, and the grafting valve plate 143 that connects on the flexible end of electric telescopic handle B142 is pegged graft in sealed slot 201 through the interface that honeycomb duct 212 was seted up, drive grafting valve plate 143 through the flexible end of electric telescopic handle B142 and remove and carry out shutoff and open the operation to catheter 33, simple structure and the operation of shutoff and opening are convenient for going on.

The working principle is as follows: after the sample introduction is finished, the cleaning liquid in the cleaning liquid storage tank 31 is pumped into the main pipe body 211 through the liquid pump 32 to wash the main pipe body 211, so that the cleaning effect is achieved, and the influence of residual samples in the main pipe body 211 on the next detection is reduced; when being responsible for the body 211 and washing, grafting valve plate 143 carries out the shutoff to catheter 33, and electric telescopic handle A221's flexible end does not retract, splint 224 and spacer bar 222 do not press from both sides tight drainage hose 213, the washing liquid that gets into in being responsible for body 211 discharges from drainage hose 213, wash the back of accomplishing, electric telescopic handle A221's flexible end retracts, splint 224 and spacer bar 222 press from both sides tight drainage hose 213 and make drainage hose 213 seal, sample can not run off from drainage hose 213 during the detection.

Claims

1. The utility model provides an atomic fluorescence photometer's autoinjection device, includes fixed frame plate unit (1) and installs sample tube unit (2) on fixed frame plate unit (1), and still is provided with pipe fitting cleaning unit (3), its characterized in that on fixed frame plate unit (1): the fixed frame plate unit (1) comprises a frame plate body (11) and an inwards concave mounting groove (12) formed in the side face of the frame plate body (11), and a fixed ring piece (13) used for fixing the sample injection pipe unit (2) is mounted on the frame plate body (11);

advance appearance pipe unit (2) including fixed mounting advance appearance pipe fitting (21) in indent mounting groove (12) and set up hose closing member (22) at frame plate body (11) lower extreme, still be provided with at the lower extreme of frame plate body (11) and be used for carrying out shutoff valve plate spare (14) of shutoff to advance appearance pipe fitting (21) lower extreme, pipe fitting cleaning unit (3) hold case (31) and drawing liquid pump (32) of fixed mounting on the case (31) are held to the cleaning solution including the cleaning solution of fixed mounting in frame plate body (11) upper end one side, and the drawing liquid end of drawing liquid pump (32) stretches into in cleaning solution holds case (31), goes out to serve and connects catheter (33), and the other end and the upper end of advancing appearance pipe fitting (21) of catheter (33) are connected.

2. The automated sample introduction device of an atomic fluorescence spectrophotometer according to claim 1, wherein: an installation cavity (101) for installing a hose closing piece (22) is formed in one side of the lower end of the frame plate body (11).

3. The automated sample introduction device of an atomic fluorescence spectrophotometer according to claim 2, wherein: hose closing part (22) including electric telescopic handle A (221) of fixed mounting in installation cavity (101) and fixed setting locating rack pole (222) on frame plate body (11) lower terminal surface, and at the both ends activity grafting installation guide pillar (223) of locating rack pole (222), the fixed welding splint (224) of lower extreme of guide pillar (223), the upper end of guide pillar (223) runs through frame plate body (11) lower extreme and stretches into in installation cavity (101), and with the flexible end fixed connection of electric telescopic handle A (221).

4. The automated sample introduction device of an atomic fluorescence spectrophotometer according to claim 3, wherein: the sample introduction pipe fitting (21) comprises a main pipe body (211) fixedly installed in the concave installation groove (12) and a flow guide pipe (212) arranged at the lower end of the main pipe body (211) and communicated with the main pipe body (211), a liquid discharge hose (213) is fixedly arranged on the side surface of the flow guide pipe (212), and the liquid discharge hose (213) is arranged between the positioning frame rod (222) and the clamping plate (224).

5. The automated sample introduction device of an atomic fluorescence spectrophotometer according to claim 4, wherein: and a sealing slot (201) is arranged in the draft tube (212).

6. The automatic sample introduction device of an atomic fluorescence spectrophotometer according to claim 5, characterized in that: the plugging valve plate (14) comprises a mounting box body (141) fixedly arranged at the lower end of the frame plate body (11) and an electric telescopic rod B (142) fixedly mounted in the mounting box body (141), wherein the telescopic end of the electric telescopic rod B (142) is fixedly provided with a plugging valve plate (143), and the plugging valve plate (143) is plugged in the sealing slot (201) through a plugging port formed in the guide pipe (212).