CN213886259U

CN213886259U - A device that topples is prevented to volumetric flask for ICP-AES spectrum appearance

Info

Publication number: CN213886259U
Application number: CN202022653254.7U
Authority: CN
Inventors: 王飞飞; 王雪莹; 刘凯; 孙效轩; 张琦; 司圳棋; 罗嗣兴; 王冰莹; 孙士超; 陈达
Original assignee: Shandong Zhongbiao Qixin Testing Technology Co ltd
Current assignee: Shandong Zhongbiao Qixin Testing Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-06
Anticipated expiration: 2030-11-16

Abstract

The application relates to a volumetric flask overturn-preventing device for an ICP-AES spectrometer, and belongs to the field of ICP-AES spectrometers. It includes that two surfaces are circular or two surfaces are regular polygon's backup pad from top to bottom, and volumetric flask neck axis passes the geometric centre on two surfaces about the backup pad, and backup pad lower surface butt is in the volumetric flask bottleneck, and the vertical sliding connection of sampling pipe is in the backup pad, and sampling pipe and volumetric flask neck coaxial setting. This application has the condition that reduces hydrogenation reaction sampling tube and drive the volumetric flask and topple, increases the effect of volumetric flask stability.

Description

A device that topples is prevented to volumetric flask for ICP-AES spectrum appearance

Technical Field

The application relates to the field of ICP-AES spectrometers, in particular to a volumetric flask overturn prevention device for an ICP-AES spectrometer.

Background

The inductively coupled plasma atomic emission spectrometry (ICP-AES) analysis technology has the advantages of simultaneous determination of multiple elements of Atomic Emission Spectrometry (AES), has a wide linear range, can simultaneously determine main, secondary and trace element components, is suitable for direct analysis of solid, liquid and gaseous samples, has the characteristic of simultaneous determination of multiple elements and multiple spectral lines, and is an ideal method for laboratory element analysis. The ICP-AES is the most widely applied analysis technique in atomic spectroscopy, not only is an indispensable analysis means in the departments of metallurgy, machinery, geology, and the like, but also increasingly exhibits its superiority in the analysis of organic matter and biochemical samples, and in the aspects of environmental detection and food safety monitoring which are currently concerned, and has become a necessary laboratory detection means with the most superior analysis performance and practical value at present.

Chinese utility model patent with publication number CN209485996U discloses a sample introduction device for inductively coupled plasma atomic emission spectrometer. The device comprises an atomizing chamber, wherein the atomizing chamber comprises an atomizing chamber body, a waste liquid discharge channel and a hydrogenation reaction sample inlet pipe, the atomizing chamber body is communicated with the waste liquid discharge channel, and one end of the hydrogenation reaction sample inlet pipe penetrates through the waste liquid discharge channel and the atomizing chamber body and enters the upper part of the atomizing chamber body; waste liquid discharge passageway includes waste liquid mouth-piece and waste liquid discharge pipe, and the waste liquid mouth-piece is linked together with waste liquid discharge pipe, and hydrogenation advances the appearance pipe and passes the waste liquid mouth-piece and upwards extend the atomizer chamber body, and the hydrogenation advances to form the waste liquid between appearance pipe and the waste liquid mouth-piece and discharges the chamber, and the waste liquid discharges the chamber and is linked together with waste liquid discharge pipe.

Referring to fig. 1, a hydrogenation reaction sample inlet pipe 1 is inserted into a volumetric flask 2 during sample injection, the hydrogenation reaction sample inlet pipe 1 sends a solution into an atomization chamber body for detection and analysis, and then the waste liquid is discharged through a waste liquid discharge channel.

In view of the above-mentioned related art, the inventors of the present invention have considered that the hydrogenation reaction introduction tube is inserted into the volumetric flask, and the inclination of the hydrogenation reaction introduction tube causes the volumetric flask to be inclined, so that the volumetric flask is overturned, and the solution is spilled from the volumetric flask, thereby making the test impossible.

SUMMERY OF THE UTILITY MODEL

In order to reduce the hydrogenation and advance the condition that the appearance pipe drove the volumetric flask and topple, increase volumetric flask stability, this application provides a volumetric flask anti-overturning device for ICP-AES spectrum appearance.

The utility model provides a volumetric flask anti-overturning device for ICP-AES spectrometer adopts following technical scheme:

the utility model provides a volumetric flask anti-overturning device for ICP-AES spectrum appearance, includes that upper and lower two surfaces are circular or upper and lower two surfaces are regular polygon's backup pad, volumetric flask neck axis passes the geometric centre on two surfaces about the backup pad, backup pad lower surface butt in volumetric flask bottleneck, the vertical sliding connection of sampling pipe in backup pad, sampling pipe and the coaxial setting of volumetric flask neck.

Through adopting above-mentioned technical scheme, after volumetric flask upper end was located to the backup pad lid, because of the geometric centre that volumetric flask neck axis passed two upper and lower surfaces of backup pad, volumetric flask neck axis passed the backup pad focus equally, and the backup pad stops at the present position to play the supporting role to the sampling pipe, the sampling pipe keeps vertical state, thereby effectively reduces the condition that the sampling pipe drove the volumetric flask and topples and appear.

Optionally, still include the support frame, the support frame includes the columniform base, the vertical setting of base axis, many first support columns of the vertical fixedly connected with of base up end, first support column uses the base axis to set up as centre of a circle circumference, the coaxial vertical fixedly connected with second support column of first support column up end, the base axis passes backup pad geometric center, backup pad fixedly connected with stopper is passed to second support column upper end.

Through adopting above-mentioned technical scheme, when needing to place the volumetric flask on the base, rise the backup pad, place the volumetric flask on the base again, conveniently place and adjust the volumetric flask position.

Optionally, a cylindrical groove is formed in the upper end face of the base, the groove and the first sliding groove are coaxially arranged, and the side wall of the groove abuts against the side wall of the bottle body of the volumetric flask.

Through adopting above-mentioned technical scheme, the recess plays the positioning action to the volumetric flask, and convenient the confirming and the adjustment volumetric flask position play supplementary fixed action to the volumetric flask simultaneously, increase the stability of volumetric flask on the base.

Optionally, the length of the first support column in the vertical direction is smaller than the distance from the bottle mouth of the volumetric flask to the upper surface of the base.

Through adopting above-mentioned technical scheme, the backup pad reduces the influence that first support column goes on to the backup pad to the in-process of volumetric flask upper end whereabouts to make backup pad butt in volumetric flask upper end, effectively seal the capacity bottleneck, reduce the solution loss.

Optionally, the base upper surface is provided with dustproof mechanism, dustproof mechanism includes the supporting component of vertical fixed connection in the base upper surface, vertical sliding connection has the pipe of holding in the supporting component, it is provided with the distilled water immersion layer to hold intraductal, supporting component up end horizontal sliding connection has the solid subassembly in top, the solid subassembly butt in holding the pipe and deviating from base one end, advance the appearance pipe and pass the solid subassembly in top and get into and hold intraductally.

By adopting the technical scheme, when the sampling tube is not used after being cleaned, the sampling tube penetrates through the top fixing component and slides into the soaking layer in the accommodating cavity, so that the pollution of the external air to the sampling tube is effectively reduced.

Optionally, the supporting component comprises a plurality of supporting rods which are vertically and fixedly connected to the upper surface of the base, supporting blocks are fixedly connected to the upper end surfaces of the supporting rods, the accommodating pipes are vertically and slidably connected into the supporting blocks, and the accommodating pipes are arranged at intervals with the base towards one end of the base in the vertical direction.

Through adopting above-mentioned technical scheme, hold in the vertical direction and manage towards base one end and base interval setting, conveniently promote from holding the pipe below and hold the pipe roll-off in the supporting block.

Optionally, the outer peripheral side wall of the accommodating tube is fixedly connected with a first limiting ring, and when the first limiting ring abuts against the upper end face of the supporting block, the accommodating tube is arranged at an interval with the base towards one end of the base in the vertical direction.

Through adopting above-mentioned technical scheme, hold the pipe and stop sliding when first spacing ring butt in supporting shoe up end to make and hold the pipe and set up towards base one end and base interval in vertical direction, conveniently promote from holding the pipe below and hold the pipe roll-off in the supporting shoe.

Optionally, the top fixing component comprises a sealing plate which is horizontally connected in a sliding manner and is away from one side of the supporting block from the supporting rod, one side of the sealing plate, which faces the supporting block, abuts against the upper end face of the containing pipe, a second through hole is vertically formed in the sealing plate, and the side wall of the sample inlet pipe abuts against the inner wall of the second through hole.

Through adopting above-mentioned technical scheme, the closing plate slides the butt in holding a tub up end to it is fixed that the convenience will hold the pipe, effectively reduces the dust that gets into and hold intraductal.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the supporting plate is covered at the upper end of the volumetric flask, the axis of the neck of the volumetric flask passes through the geometric centers of the upper surface and the lower surface of the supporting plate, the axis of the neck of the volumetric flask also passes through the gravity center of the supporting plate, and the supporting plate stays at the current position, so that the sampling tube is supported and kept in a vertical state, and the situation that the sampling tube drives the volumetric flask to overturn is effectively reduced;

2. in the process that the supporting plate falls towards the upper end of the volumetric flask, the influence of the first supporting column on the supporting plate is reduced, so that the supporting plate is abutted against the upper end of the volumetric flask, the volumetric flask opening is effectively sealed, and the loss of solution is reduced;

3. when the sampling tube is not used after being cleaned, the sampling tube penetrates through the top fixing component and slides into the soaking layer in the accommodating cavity, so that the pollution of the external air to the sampling tube is effectively reduced.

Drawings

FIG. 1 is a prior art schematic of the present application;

FIG. 2 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 3 is a schematic view of the overall structure of embodiment 2 of the present application;

FIG. 4 is a schematic view of the overall structure of embodiment 3 of the present application;

FIG. 5 is a schematic sectional view of a part of the structure of embodiment 3 of the present application, which is mainly used for showing a dust-proof mechanism;

fig. 6 is an enlarged partial view of portion A, B of fig. 5.

Description of reference numerals: 1. a sample inlet pipe; 2. a volumetric flask; 3. a support plate; 31. a first chute; 32. a friction ring; 33. a second stop collar; 34. a first through hole; 4. a support frame; 41. a base; 411. a groove; 42. a first support column; 43. a second support column; 44. a limiting block; 5. a dust-proof mechanism; 51. a support assembly; 511. a support bar; 512. a support block; 513. a second chute; 514. a limiting groove; 52. accommodating the tube; 521. an accommodating chamber; 522. a soaking layer; 523. a first limit ring; 53. a top fixing component; 531. a closing plate; 532. a second through hole; 533. a third chute; 534. a slide block.

Detailed Description

The present application is described in further detail below with reference to FIGS. 2-6 and examples 1-3.

The embodiment 1 of the application discloses a volumetric flask anti-overturning device for an ICP-AES spectrometer. Referring to fig. 2, the volumetric flask overturn-preventing device for the ICP-AES spectrometer comprises a supporting plate 3, wherein the upper surface and the lower surface of the supporting plate are circular, the axis of the neck of the volumetric flask 2 penetrates through the geometric centers of the upper surface and the lower surface of the supporting plate 3, the lower surface of the supporting plate 3 is abutted to the opening of the volumetric flask 2, a sample inlet pipe 1 is vertically connected to the supporting plate 3 in a sliding mode, and the sample inlet pipe 1 and the neck of the volumetric flask 2 are coaxially arranged.

After 2 upper ends of volumetric flask are located to 3 lids of backup pad, because of 2 neck axis of volumetric flask pass the geometric centre on two surfaces about 3 of backup pad, 3 centrobaries of backup pad are passed equally to 2 neck axis of volumetric flask, and backup pad 3 stops in the present position to play the supporting role to advancing appearance pipe 1, advancing appearance pipe 1 keeps vertical state, thereby effectively reduces the circumstances that advances appearance pipe 1 and drive volumetric flask 2 and overturn and appear.

Referring to fig. 2, a cylindrical first chute 31 is vertically formed in the supporting plate 3, an axis of the first chute 31 passes through geometric centers of upper and lower end faces of the supporting plate 3, the sampling tube 1 is vertically slidably connected in the first chute 31, and a sidewall of the sampling tube 1 abuts against a sidewall of the first chute 31.

The first sliding chute 31 plays a guiding role in sliding the sampling tube 1, so that the sliding of the sampling tube 1 is more stable, and the occurrence of the fracture condition in the sliding process of the sampling tube 1 is effectively reduced.

Referring to fig. 3, the upper and lower surfaces of the supporting plate 3 in this embodiment 2 may also be square.

The embodiment 1 of the application is that a volumetric flask anti-overturning device for ICP-AES spectrometer implements the principle: locate 2 upper ends of volumetric flask with 3 lids of backup pad, advance appearance pipe 1 one end and pass first spout 31 and get into volumetric flask 2 in, adjustment backup pad 3 positions make advance appearance pipe 1 and volumetric flask 2 be coaxial setting, can advance the appearance analysis.

The embodiment 3 of the application discloses a volumetric flask anti-overturning device for an ICP-AES spectrometer. Example 3 differs from example 1 in that:

referring to fig. 4, the volumetric flask overturn-preventing device for the ICP-AES spectrometer comprises a support frame 4, a support plate 3 is vertically and slidably connected to the support frame 4, and a dustproof mechanism 5 is arranged on the support frame 4.

Referring to fig. 5 and 6, the inner wall of the first chute 31 is coaxially and fixedly connected with a friction ring 32 made of rubber, two end faces of the friction ring 32 are fixedly connected with second limit rings 33, the inner diameter of each second limit ring 33 is equal to the inner diameter of the friction ring 32, the outer diameter of each second limit ring 33 is larger than the outer diameter of the first chute 31 and is equal to the inner diameter of the volumetric flask 2, and the peripheral side wall of the sampling tube 1 is abutted against the inner wall of the friction ring 32 and is axially and slidably connected in the friction ring 32 along the axial direction of the friction ring 32.

The friction ring 32 increases the frictional force of the first spout 31 inner wall of the sampling tube 1 to make the sampling tube 1 stop sliding at any time in the sliding process, the distance from the sampling end of the sampling tube 1 to the bottom wall of the volumetric flask 2 in the vertical direction is convenient to adjust, and the situation that the sampling end of the sampling tube 1 cannot be plugged for sample introduction due to the butt of the sampling tube 1 and the volumetric flask 2 is effectively reduced. The friction ring 32 is fixed in the current position by the second limit ring 33, and the second limit ring 33 close to the volumetric flask 2 slides into the volumetric flask 2, so that the connection strength of the support plate 3 and the volumetric flask 2 is increased.

Referring to fig. 4 and 5, support frame 4 includes the vertical ascending cylindrical base 41 of axis, four first support columns 42 of the vertical fixedly connected with of base 41 up end, first support column 42 uses first spout 31 axis to set up as centre of a circle circumference, the coaxial fixedly connected with second support column 43 of first support column 42 up end, use first spout 31 axis to vertically seted up three first through-hole 34 as the centre of a circle in backup pad 3, second support column 43 lateral wall butt in first through-hole 34 inner wall, the vertical sliding connection of second support column 43 is in first through-hole 34, first support column 42 one end fixedly connected with stopper 44 is kept away from to second support column 43 lateral wall. When volumetric flask 2 needs to be placed on base 41, support plate 3 rises, places volumetric flask 2 on base 41 again, conveniently places and adjusts volumetric flask 2 position.

Referring to fig. 4 and 5, a cylindrical groove 411 is formed on the upper end surface of the base 41, the groove 411 is coaxially arranged with the first sliding groove 31, and the sidewall of the groove 411 abuts against the sidewall of the body of the volumetric flask 2. The length of the first support column 42 in the vertical direction is less than the distance from the bottle mouth of the volumetric flask 2 to the upper surface of the base 41. The groove 411 plays a positioning role for the volumetric flask 2, and the position of the volumetric flask 2 is conveniently adjusted.

Referring to fig. 4 and 5, the dust-proof mechanism 5 includes a supporting component 51 vertically and fixedly connected to the upper surface of the base 41, a containing tube 52 is vertically and slidably connected in the supporting component 51, a top fixing component 53 is horizontally and movably connected to the upper end surface of the supporting component 51, the top fixing component 53 abuts against one end of the containing tube 52, which is far away from the base 41, and the sampling tube 1 passes through the top fixing component 53 and enters the containing tube 52.

Referring to fig. 4 and 5, a cylindrical accommodating cavity 521 is vertically formed in the accommodating tube 52, an opening of the accommodating cavity 521 is located at one end of the accommodating tube 52 away from the base 41, and an immersing layer 522 made of distilled water is arranged in the accommodating cavity 521. When the sampling tube 1 is cleaned and is not used, the sampling tube 1 passes through the top fixing component 53 and slides into the soaking layer 522 in the accommodating cavity 521, so that the pollution of the external air to the sampling tube 1 is effectively reduced.

Referring to fig. 4 and 5, the supporting assembly 51 includes four supporting rods 511 vertically and fixedly connected to the upper surface of the base 41, a supporting block 512 is fixedly connected to the upper end surface of the supporting rod 511, a second sliding groove 513 is vertically formed in the supporting block 512, and the accommodating tube 52 is vertically and slidably connected to the second sliding groove 513. The outer peripheral side wall of the accommodating tube 52 is fixedly connected with a first limiting ring 523, the upper end surface of the supporting block 512 is provided with a limiting groove 514, and the first limiting ring 523 abuts against the bottom wall of the limiting groove 514. When the first retainer ring 523 abuts on the upper end surface of the supporting block 512, the accommodating tube 52 is disposed apart from the base 41 toward one end of the base 41 in the vertical direction.

The accommodating tube 52 slides into the second sliding groove 513, when the first limiting ring 523 abuts against the upper end surface of the first limiting ring 523, the accommodating tube 52 stops sliding, and because the accommodating tube 52 is spaced from the base 41 towards one end of the base 41 in the vertical direction, the accommodating tube 52 is conveniently pushed from the lower side of the accommodating tube 52 to slide out of the second sliding groove 513.

Referring to fig. 5 and 6, the top fixing assembly 53 includes a closing plate 531 horizontally slidably connected to a side of the supporting block 512 away from the supporting rod 511, and the closing plate 531 abuts against an upper end surface of the accommodating tube 52 toward the supporting block 512. A second through hole 532 (refer to fig. 4) is vertically formed in the closing plate 531, and the diameter of the second through hole 532 is equal to the outer diameter of the sampling tube 1. Two third sliding grooves 533 are formed in one side, facing the closing plate 531, of the supporting block 512 along the sliding direction of the closing plate 531, two sliding blocks 534 are fixedly connected to one side, facing the supporting block 512, of the closing plate 531, and the sliding blocks 534 are slidably connected in the third sliding grooves 533. The sliding of the closing plate 531 makes the slider 534 slide into the third sliding groove 533, and the closing plate 531 abuts against the upper end surface of the accommodating tube 52, thereby facilitating the fixing of the accommodating tube 52.

The embodiment 3 of the application is that a volumetric flask anti-overturning device for ICP-AES spectrometer implements the principle: with the lifting of backup pad 3, volumetric flask 2 places in recess 411, and backup pad 3 descends the butt in volumetric flask 2 up end. The sampling tube 1 enters the volumetric flask 2 through the friction ring 32, and the distance from the sampling end of the sampling tube 1 to the bottom wall of the volumetric flask 2 is adjusted to start sampling detection and analysis.

When the sampling tube 1 is cleaned and is not used, the sampling tube 1 is slid into the soaking layer 522 in the accommodating chamber 521 through the second through hole 532 and the friction ring 32.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a volumetric flask prevents device that topples for ICP-AES spectrum appearance which characterized in that: including upper and lower two surfaces be circular or upper and lower two surfaces are regular polygon's backup pad (3), volumetric flask (2) neck axis passes the geometric centre on two surfaces about backup pad (3), backup pad (3) lower surface butt in volumetric flask (2) bottleneck, the vertical sliding connection of sampling pipe (1) is on backup pad (3), sampling pipe (1) and volumetric flask (2) neck coaxial setting.

2. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 1, wherein: still include support frame (4), support frame (4) include columniform base (41), the vertical setting of base (41) axis, many first support columns (42) of the vertical fixedly connected with of base (41) up end, first support column uses base (41) axis as centre of a circle circumference to set up, the coaxial vertical fixedly connected with second support column (43) of first support column (42) up end, backup pad (3) geometric center is passed to base (41) axis, backup pad (3) fixedly connected with stopper (44) are passed to second support column (43) upper end.

3. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 2, wherein: cylindrical recess (411) have been seted up to base (41) upper end face, recess (411) and first spout (31) coaxial arrangement, recess (411) lateral wall butt in volumetric flask (2) body lateral wall.

4. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 3, wherein: the length of the first supporting column (42) in the vertical direction is less than the distance from the bottle mouth of the volumetric flask (2) to the upper surface of the base (41).

5. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 4, wherein: the utility model discloses a sample injection device, including base (41), base (41) upper surface is provided with dustproof mechanism (5), dustproof mechanism (5) include supporting component (51) of vertical fixed connection in base (41) upper surface, vertical sliding connection has holding pipe (52) in supporting component (51), it soaks layer (522) to be provided with distilled water in pipe (52), supporting component (51) upper end horizontal sliding connection has top solid subassembly (53), top solid subassembly (53) butt in holding pipe (52) deviate from base (41) one end, advance appearance pipe (1) and pass top solid subassembly (53) and get into and hold in pipe (52).

6. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 5, wherein: the supporting component (51) comprises a plurality of supporting rods (511) which are vertically and fixedly connected to the upper surface of the base (41), supporting blocks (512) are fixedly connected to the upper end faces of the supporting rods (511), the accommodating pipes (52) are vertically and slidably connected into the supporting blocks (512), and the accommodating pipes (52) are arranged at intervals with the base (41) towards one end of the base (41) in the vertical direction.

7. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 6, wherein: the outer peripheral side wall of the accommodating pipe (52) is fixedly connected with a first limiting ring (523), and when the first limiting ring (523) abuts against the upper end face of the supporting block (512), the accommodating pipe (52) is arranged at an interval with the base (41) towards one end of the base (41) in the vertical direction.

8. The volumetric flask overturn prevention device for the ICP-AES spectrometer as recited in claim 7, wherein: the top fixing component (53) comprises a closing plate (531) which is horizontally and slidably connected to one side, deviating from the support rod (511), of the support block (512), the closing plate (531) abuts against the upper end face of the accommodating pipe (52) towards one side of the support block (512), a second through hole (532) is vertically formed in the closing plate (531), and the side wall of the sampling pipe (1) abuts against the inner wall of the second through hole (532).