CN220106430U - Sample injection device of mass spectrometer - Google Patents

Abstract

The utility model discloses a sample injection device of a mass spectrometer, which relates to the field of mass spectrometers. According to the utility model, the clamping assembly is arranged, when the sampling tube is sleeved on the outer wall of the fixed column, a user can rotate the threaded rod, the threaded rod can drive the movable seat to move towards the direction of the handle after rotating, then the pulling plate is pulled to move, the limiting plate is pulled to move by the pulling plate, then the movable block is driven to slide on the guide rod, the connecting rod and the clamping block are driven to move after the movable block moves, the sampling tube can be clamped after the clamping block moves, the sampling tube can be further limited, the sampling tube is prevented from shaking in the sampling process, and the sampling tube is prevented from falling off from the fixed column.

Description

Sample injection device of mass spectrometer

Technical Field

The utility model relates to the field of mass spectrometers, in particular to a sample injection device of a mass spectrometer.

Background

The mass spectrometer is also called a mass spectrometer, namely an instrument for separating and detecting different isotopes, namely a type of instrument for separating and detecting substances according to the mass difference of substance atoms, molecules or molecular fragments according to the principle that charged particles can deflect in an electromagnetic field, wherein the mass spectrometer is divided into an isotope mass spectrometer, an inorganic mass spectrometer and an organic mass spectrometer according to the application range, and is divided into a high-resolution mass spectrometer, a medium-resolution mass spectrometer and a low-resolution mass spectrometer according to the resolution field; the device is divided into a static instrument and a dynamic instrument according to the working principle.

According to the utility model, through adding a handle at one end of the sample injection column, the sample injection device of the mass spectrometer is convenient for an experimenter to carry out pushing operation of sample injection, the experimenter can better control the moving position of the sample injection column, the use is more convenient, the experimental efficiency is improved, telescopic rods are further arranged at two sides of the sample injection column, the sample injection column can be kept stable in moving, and the sample tube on the sample injection column cannot shake.

To the above-mentioned disclosed patent content, because can be with sampling pipe cover at the fixed column outer wall then through the sample introduction post shift into to the mass spectrometer inside detect, but the sampling pipe cover is spacing to the sampling pipe through the fixed column only when the fixed column outer wall, and this is unstable to the spacing mode of sampling pipe, and then reduced the spacing effect to the sampling pipe, thereby make at the in-process sampling pipe very probably drop from the fixed column that removes, and lead to the sampling pipe to be difficult to stably move into the mass spectrometer inside, and then reduced sampling device's sampling efficiency.

Disclosure of Invention

Based on the above, the utility model aims to provide a sample injection device of a mass spectrometer, so as to solve the technical problem of lower fixing and limiting efficiency of a sampling tube.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sampling device of mass spectrometer, includes the connecting plate and advances a kind post, one side of connecting plate is equipped with two slide bars, the one end of advancing a kind post is equipped with a post and clamping assembly respectively, and clamping assembly including locating advance the inside threaded rod of a kind post through the bearing, offer four spacing grooves of a kind post one end and install four guide arms in a post outer wall, the movable block has been cup jointed to the outer wall of guide arm, and one side of movable block is connected with the limiting plate that runs through the spacing groove to be fixed with the connecting rod on the movable block, the one end of connecting rod is connected with the grip block, the movable seat has been cup jointed to the outer wall of threaded rod, and is connected with the arm-tie through the loose axle between movable seat and the limiting plate.

Through adopting above-mentioned technical scheme, when needing the centre gripping sampling pipe, the user can rotate the threaded rod, can drive movable seat and move towards the direction of handle after the threaded rod rotates, then the pulling plate removal of pulling.

Further, a sliding seat is sleeved between the two sliding rods, a fixed cylinder is arranged in the sliding seat, and the sliding seat is attached to the connecting plate.

Through adopting above-mentioned technical scheme, the setting of slide bar is convenient for to the slide direction, and can stretch into inside the connecting plate when slide and connecting plate laminating back fixed cylinder.

Furthermore, both sides of the inside of the fixed cylinder are provided with sliding grooves, sliding blocks are arranged in the sliding grooves, and the two sliding blocks are connected with the sample injection column.

Through adopting above-mentioned technical scheme, it can drive the slider and slide in the spout inside when the injecting sample post removes, and then improves the stability when injecting sample post removes.

Further, a through hole is formed in the connecting plate, and one end of the fixed cylinder is located in the through hole.

Through adopting above-mentioned technical scheme, when the slide slides on the slide bar, the slide can drive fixed section of thick bamboo and remove for fixed section of thick bamboo inserts to the through-hole inside.

Further, one end of the sample injection column is fixed with a handle, and a telescopic rod is arranged between the handle and the sliding seat.

Through adopting above-mentioned technical scheme, the setting of handle is convenient for user's operation, and the user accessible handle promotes the sample introduction post and removes.

Further, the clamping blocks and the connecting rods are both in sliding connection with the guide rods through movable blocks, and a limiting block is fixed at one end of each guide rod.

By adopting the technical scheme, when the movable block slides on the guide rod, the movable block can drive the connecting rod and the clamping block to move, and the clamping block can clamp the sampling tube after moving.

Further, the movable seat is in threaded connection with the threaded rod, and the outer wall of the limiting plate is in contact with the limiting groove.

Through adopting above-mentioned technical scheme, it can drive the movable seat and remove when the threaded rod rotates, and it can stimulate the arm-tie and remove when the movable seat removes.

In summary, the utility model has the following advantages:

according to the utility model, the clamping assembly is arranged, when the sampling tube is sleeved on the outer wall of the fixed column, a user can rotate the threaded rod, the threaded rod can drive the movable seat to move towards the direction of the handle after rotating, then the pulling plate is pulled to move, the pulling plate is pulled to move the limiting plate, then the movable block is driven to slide on the guide rod, the movable block can drive the connecting rod and the clamping block to move after moving, the clamping block can clamp the sampling tube after moving, and further the sampling tube can be limited, the sampling tube is prevented from shaking in the sampling process, the sampling tube is prevented from falling off from the fixed column, so that the stability of the sampling tube is improved, the follow-up detection is facilitated, and when the sampling tube is not required to be clamped, the threaded rod is only required to be reversed, the movable seat is moved to reset, the clamping block is driven to reset, the sampling tube is not clamped by the clamping block any more, the sampling tube can be clamped and limited rapidly, and the use effect of the sampling tube is improved.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of the overall cut-away structure of the present utility model;

FIG. 3 is a schematic perspective view of a clamping assembly according to the present utility model;

FIG. 4 is a schematic diagram of a sample injection column according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a connecting plate; 2. a slide; 3. a slide bar; 4. a through hole; 5. a handle; 6. a telescopic rod; 7. a sample injection column; 8. a fixed cylinder; 9. a clamping assembly; 901. a threaded rod; 902. a movable seat; 903. a movable shaft; 904. pulling a plate; 905. a limit groove; 906. a limiting plate; 907. a guide rod; 908. a movable block; 909. a connecting rod; 910. a clamping block; 10. a chute; 11. a slide block; 12. a table column; 13. fixing the column; 14. a threaded shaft; 15. and (5) clamping plates.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-5, including connecting plate 1 and advance appearance post 7, one side of connecting plate 1 is equipped with two slide bars 3, advance the one end of appearance post 7 and be equipped with respectively table post 12 and clamping assembly 9, cup joint slide 2 between two slide bars 3, and be equipped with fixed section of thick bamboo 8 in the slide 2, and slide 2 and connecting plate 1 laminating, the inside both sides of fixed section of thick bamboo 8 all are equipped with spout 10, and the inside of spout 10 is provided with slider 11, two sliders 11 all are connected with advance appearance post 7, advance appearance post 7 and pass through slider 11 and spout 10 sliding connection, it can drive slider 11 at the inside slip of spout 10 when advance appearance post 7 and move, and then improve the stability when advancing appearance post 7 and laminate with connecting plate 1, and the inside of connecting plate 1 has been seted up through-hole 4, the one end of fixed section of thick bamboo 8 is located the inside of through-hole 4, when slide 2 slides on 3, slide 2 can drive fixed section of thick bamboo 8 and move, and slide 2 is fixed section of thick bamboo 5, and 5 are equipped with slide 6, and the jack-up the jack-box 2 is convenient for rotate the connecting plate 14, and the jack-up shaft 14 is connected with the jack-box 2 through the jack-box 2, and the jack-box 14 is rotated to the jack-box 2, and the jack box 14 is rotated, and is connected with the jack box 2, and is connected with the jack box 15, and is convenient to rotate the jack box 15, and is connected with the jack box 15, and is 15.

Specifically, the clamping assembly 9 comprises a threaded rod 901 arranged in the sample injection column 7 through a bearing, four limit grooves 905 formed in one end of the sample injection column 7 and four guide rods 907 arranged on the outer wall of the table column 12, one end of the threaded rod 901 extends to the outside of the handle 5 and is connected with a knob, a user can conveniently drive the threaded rod 901 to rotate through the knob, the outer wall of the guide rod 907 is sleeved with a movable block 908, one side of the movable block 908 is connected with a limit plate 906 penetrating through the limit groove 905, the limit plate 906 can slide in the limit groove 905 to further improve the stability of the movable block 908 during movement, a connecting rod 909 is fixed on the movable block 908, one end of the connecting rod 909 is connected with a clamping block 910, the outer wall of the threaded rod 901 is sleeved with a movable seat 902, the movable seat 902 is in threaded connection with the threaded rod 901, the outer wall of the limit plate 906 is in contact with the limit groove 905, when the threaded rod 901 rotates, the threaded rod 901 drives the movable seat 902 to move, a pull plate 904 is connected between the movable seat 902 and the limiting plate 906 through a movable shaft 903, when a sampling tube is required to be clamped, a user can rotate the threaded rod 901, the threaded rod 901 rotates and then drives the movable seat 902 to move towards the direction of the handle 5, then the pull plate 904 is pulled to move, the clamping block 910 and the connecting rod 909 are both in sliding connection with the guide rod 907 through the movable block 908, when the movable block 908 slides on the guide rod 907, the connecting rod 909 and the clamping block 910 are driven to move, the sampling tube can be clamped after the clamping block 910 moves, the sampling tube is prevented from shaking or falling from the fixed column 13, the stability of the sampling tube is further improved, an anti-slip pad is arranged on one side of the clamping block 910, and one end of the guide rod 907 is fixed with the limiting block to prevent the movable block 908 from sliding out from the guide rod 907.

The implementation principle of the embodiment is as follows: firstly, a user can sleeve a sampling tube on the outer wall of a fixed column 13 on a table column 12, then rotate a threaded rod 901 through a knob, the threaded rod 901 rotates and then drives a movable seat 902 to move towards the direction of a handle 5, then pulls a pull plate 904 to move, the pull plate 904 pulls a limiting plate 906 to move, then drives a movable block 908 to slide on a guide rod 907, after the movable block 908 moves, a connecting rod 909 and a clamping block 910 move, the clamping block 910 can clamp a sampling tube after moving, and then can limit the sampling tube, then a small amount of detection liquid is put into the sampling tube, after the sampling is completed, a slide seat 2 is sleeved on a slide rod 3, then the slide seat 2 is pushed to move, so that the slide seat 2 is attached to a connecting plate 1, the slide seat 2 can drive a fixed cylinder 8 to extend into the inside of a through hole 4, after the slide seat 2 is attached to the connecting plate 1, the user rotates a threaded shaft 14 and drives a clamping plate 15 to rotate, so that the clamping plate 15 is attached to the slide seat 2 to limit the slide seat 2, then the handle 5 is pushed to move, then the clamping plate 5 can drive a sample injection column 7 to move, and the sample injection column 7 drives a slide 11 to slide in the slide groove 10, and simultaneously the handle 5 can be limited, and then a detection rod 6 can be pressed into a detection chamber 7.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (7)

1. Sample introduction device of mass spectrometer, including connecting plate (1) and advance appearance post (7), its characterized in that: one side of connecting plate (1) is equipped with two slide bars (3), the one end of advance appearance post (7) is equipped with table post (12) and centre gripping subassembly (9) respectively, and centre gripping subassembly (9) are including locating threaded rod (901) of advance appearance post (7) inside through the bearing, offer in four spacing groove (905) of advance appearance post (7) one end and install four guide arms (907) in table post (12) outer wall, movable block (908) have been cup jointed to the outer wall of guide arm (907), and one side of movable block (908) is connected with limiting plate (906) that runs through spacing groove (905) to be fixed with connecting rod (909) on movable block (908), one end of connecting rod (909) is connected with centre gripping piece (910), movable seat (902) have been cup jointed to the outer wall of threaded rod (901), and be connected with arm-tie (904) through loose axle (903) between movable seat (902) and the limiting plate (906).

2. The sample injection device of a mass spectrometer of claim 1, wherein: a sliding seat (2) is sleeved between the two sliding rods (3), a fixed cylinder (8) is arranged in the sliding seat (2), and the sliding seat (2) is attached to the connecting plate (1).

3. The sample injection device of a mass spectrometer of claim 2, wherein: the inside both sides of fixed section of thick bamboo (8) all are equipped with spout (10), and the inside of spout (10) is provided with slider (11), two slider (11) all are connected with sampling post (7).

4. The sample injection device of a mass spectrometer of claim 2, wherein: the inside of connecting plate (1) has seted up through-hole (4), the one end of fixed section of thick bamboo (8) is located the inside of through-hole (4).

5. The sample injection device of a mass spectrometer of claim 2, wherein: one end of the sample injection column (7) is fixed with a handle (5), and a telescopic rod (6) is arranged between the handle (5) and the sliding seat (2).

6. The sample injection device of a mass spectrometer of claim 1, wherein: the clamping block (910) and the connecting rod (909) are both in sliding connection with the guide rod (907) through the movable block (908), and a limiting block is fixed at one end of the guide rod (907).

7. The sample injection device of a mass spectrometer of claim 1, wherein: the movable seat (902) is in threaded connection with the threaded rod (901), and the outer wall of the limiting plate (906) is in contact with the limiting groove (905).