CN210401205U

CN210401205U - Sample introduction device convenient for atomic absorption spectrometer

Info

Publication number: CN210401205U
Application number: CN201921376743.3U
Authority: CN
Inventors: 陈洪周; 许磊; 李燕
Original assignee: China Technology Union Scientific Instrument Co Ltd
Current assignee: China Technology Union Scientific Instrument Co Ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-04-24
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a sampling device convenient to atomic absorption spectrum appearance, which comprises a disc, disc lateral wall symmetry fixedly connected with pivot, the arc wall has been seted up to disc lateral wall symmetry, sliding connection has the arc piece in the arc wall, the disc lateral wall is seted up flutedly, install the drive arrangement that drive arc piece removed in the recess. The utility model discloses the case is through setting up the arc splint of fixed connection in spring one end, arc splint just can press from both sides tightly the sample under the effect of spring, need pressing from both sides tightly one by one when having avoided detecting numerous samples, through setting up the screw nut of threaded connection on the lead screw, it makes screw nut remove to rotate the hand of turning, make the arc slide-out in the arc wall, be convenient for adjust the size of disc, make and go on in step when testing multiple sample, it leads to test time longer to have avoided multiple operation.

Description

Sample introduction device convenient for atomic absorption spectrometer

Technical Field

The utility model relates to an atomic absorption spectrum appearance equipment technical field especially relates to a sampling device convenient to atomic absorption spectrum appearance.

Background

The atomic absorption spectrometer can measure various elements, the flame atomic absorption spectrometry can measure 10-9g/mL order of magnitude, the graphite furnace atomic absorption spectrometry can measure 10-13g/mL order of magnitude, the hydride generator can measure microscratches of 8 volatile elements of mercury, arsenic, lead, selenium, tin, tellurium, antimony, germanium and the like, and when the elements are measured, an element sample is placed on a sample feeding device equipped on the atomic absorption spectrometer so as to test the elements.

Because the detection sample is too much among the present atomic absorption spectrometer sampling device, it is more troublesome when going on fixing one by one to the sample, fix the stability after can not guaranteeing the sample is fixed to numerous sample in addition, when sampling device rotates easily, the sample flies out from the standing groove under the effect of centrifugal force, the going on of the work of element survey of being not convenient for, in addition, current sampling device size is fixed unchangeably, when needs increase the detection sample variety class, need carry out many times and detect, the time that consumes increases, and the detection efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a sample feeding device convenient for an atomic absorption spectrometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sampling device convenient to atomic absorption spectrum appearance, includes the disc, disc lateral wall symmetry fixedly connected with pivot, a plurality of first standing grooves have been seted up to disc upper end lateral wall, the arc wall has been seted up to disc lateral wall symmetry, sliding connection has the arc piece in the arc wall, a plurality of second standing grooves have been seted up to arc piece upper end lateral wall, the disc lateral wall is seted up flutedly, install the drive arrangement that drive arc piece removed in the recess, it is a plurality of install in the first standing groove and carry out the tight clamping device that presss from both sides tightly to the sample.

Preferably, drive arrangement is including rotating the lead screw of connection at the recess lateral wall, threaded connection has screw nut on the lead screw, screw nut lateral wall symmetry rotates and is connected with first horizontal pole, the one end that screw nut was kept away from to first horizontal pole rotates and is connected with the second horizontal pole, the second horizontal pole runs through the disc lateral wall and extends to in the arc wall, the one end and the arc piece lateral wall fixed connection that first horizontal pole was kept away from to the second horizontal pole.

Preferably, the clamping device comprises springs symmetrically and fixedly connected to the side wall of the first placing groove, and an arc-shaped clamping plate is fixedly connected to one end, far away from the side wall of the first placing groove, of each spring.

Preferably, the lead screw runs through the pivot lateral wall and extends to its outside, lead screw upper end lateral wall fixedly connected with changes the hand, install in the pivot and carry out spacing stop device to changing the hand.

Preferably, stop device includes the spacer pin of sliding connection on the rotating handle lateral wall, the pivot upper end lateral wall equipartition seted up with spacer pin complex spacing groove.

Preferably, the end, far away from the spring, of the arc-shaped clamping plate is attached with a rubber pad, and anti-skidding lines are arranged on the rubber pad.

The utility model discloses following beneficial effect has:

1. the arc-shaped clamping plate is fixedly connected to one end of the spring, the sample is placed in the first placing groove, and the arc-shaped clamping plate can clamp the sample under the action of the spring, so that the situation that the samples are required to be clamped one by one when being detected is avoided, the working strength is high, and omission is easily caused;

2. through setting up threaded connection at the lead screw nut on the lead screw, when first standing groove on the disc was not enough, rotate and change the hand and make lead screw nut remove, make the arc follow roll-off in the arc under the effect of first horizontal pole and second horizontal pole, put the sample in the second standing groove, be convenient for adjust the size of disc for can go on in step when testing multiple sample, it leads to test time longer to have avoided a lot of operations.

Drawings

Fig. 1 is a schematic structural view of a sample introduction device for an atomic absorption spectrometer;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic view of a top view structure of a sample injection device for an atomic absorption spectrometer.

In the figure: 1 disc, 2 pivots, 3 recesses, 4 lead screws, 5 hands, 6 spacer pins, 7 spacing grooves, 8 first standing grooves, 9 springs, 10 arc-shaped clamping plates, 11 arc-shaped grooves, 12 arc-shaped blocks, 13 second standing grooves, 14 second cross bars, 15 lead screw nuts and 16 first cross bars.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a sample introduction device convenient for atomic absorption spectroscopy comprises a disc 1, wherein the side wall of the disc 1 is symmetrically and fixedly connected with a rotating shaft 2, the side wall of the upper end of the disc 1 is provided with a plurality of first placing grooves 8, the side wall of the disc 1 is symmetrically provided with arc-shaped grooves 11, the arc-shaped grooves 11 are connected with arc-shaped blocks 12 in a sliding manner, the side wall of the upper end of the arc-shaped blocks 12 is provided with a plurality of second placing grooves 13, the inner structure of the second placing grooves 13 is the same as that of the first placing grooves 8, the side wall of the disc 1 is provided with grooves 3, driving devices for driving the arc-shaped blocks 12 to move are arranged in the grooves 3, each driving device comprises a lead screw 4 rotatably connected with the side wall of the grooves 3, lead screw nuts 15 are connected on the lead screw 4 in a threaded manner, the side wall of each lead screw nut 15 is rotatably connected with a first cross, one end and the 12 lateral walls fixed connection of arc piece of first horizontal pole 16 are kept away from to second horizontal pole 14, and lead screw 4 runs through 2 lateral walls of pivot and extends to its outside, and lead screw 4 upper end lateral wall fixedly connected with hands 5, installs in the pivot 2 and carries out spacing stop device to hands 5, and stop device includes sliding connection at the spacer pin 6 on 5 lateral walls of hands, 2 upper end lateral walls equipartitions of pivot seted up with 6 complex spacing grooves 7 of spacer pin.

Install in a plurality of first standing grooves 8 and carry out the clamping device who presss from both sides tightly to the sample, clamping device includes that symmetry fixed connection is at the spring 9 of 8 lateral walls of first standing groove, and the one end fixedly connected with arc splint 10 of 8 lateral walls of first standing groove are kept away from to spring 9, and the one end laminating that spring 9 was kept away from to arc splint 10 has the rubber pad, is equipped with anti-skidding line on the rubber pad.

The utility model discloses in, when examining the sample, put the sample in first standing groove 8, arc splint 10 can press from both sides tightly the sample under spring 9's effect, first standing groove 8 on disc 1 is not enough when using, extract spacer pin 6, it makes screw nut 15 move on lead screw 4 to rotate runner 5, make arc piece 12 roll-off in the arc 11, can confirm the size of arc piece 12 roll-off as required, then insert spacer pin 6 and carry out spacingly in 7 to runner 5 in the spacing groove, put the sample in second standing groove 13, arc splint 10 in the second standing groove 13 can press from both sides tightly the sample under spring 9's effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a sampling device convenient to atomic absorption spectroscopy appearance, includes disc (1), disc (1) lateral wall symmetry fixedly connected with pivot (2), a plurality of first standing grooves (8) have been seted up to disc (1) upper end lateral wall, a serial communication port, arc wall (11) have been seted up to disc (1) lateral wall symmetry, sliding connection has arc piece (12) in arc wall (11), a plurality of second standing grooves (13) have been seted up to arc piece (12) upper end lateral wall, disc (1) lateral wall is seted up flutedly (3), the drive arrangement that installation drive arc piece (12) removed in recess (3), it is a plurality of install in first standing groove (8) and carry out tight clamping device to the sample.

2. The sampling device convenient to atomic absorption spectroscopy of claim 1, characterized in that, drive arrangement includes lead screw (4) of rotation connection at recess (3) lateral wall, threaded connection has lead screw nut (15) on lead screw (4), lead screw nut (15) lateral wall symmetry rotation is connected with first horizontal pole (16), the one end that lead screw nut was kept away from to first horizontal pole (16) rotates and is connected with second horizontal pole (14), second horizontal pole (14) run through disc (1) lateral wall and extend to in arc wall (11), the one end and the arc piece (12) lateral wall fixed connection of first horizontal pole (16) are kept away from to second horizontal pole (14).

3. The sample introduction device for the atomic absorption spectrometer as claimed in claim 1, wherein the clamping device comprises a spring (9) symmetrically and fixedly connected to the side wall of the first placing groove (8), and an arc-shaped clamping plate (10) is fixedly connected to one end of the spring (9) far away from the side wall of the first placing groove (8).

4. The sampling device convenient to atomic absorption spectroscopy of claim 2, characterized in that, lead screw (4) runs through pivot (2) lateral wall and extends to its outside, lead screw (4) upper end lateral wall fixedly connected with commentaries on classics hand (5), install the stop device who carries on spacingly to commentaries on classics hand (5) on pivot (2).

5. The sample introduction device convenient for the atomic absorption spectrometer as claimed in claim 4, wherein the limiting device comprises a limiting pin (6) slidably connected to the side wall of the rotating arm (5), and limiting grooves (7) matched with the limiting pin (6) are uniformly distributed on the side wall of the upper end of the rotating shaft (2).

6. The sample introduction device convenient for the atomic absorption spectrometer as claimed in claim 3, wherein a rubber pad is attached to one end of the arc-shaped clamping plate (10) far away from the spring (9), and anti-skid lines are arranged on the rubber pad.