CN213943572U - Atomizer for evaporative light scattering detector - Google Patents

Abstract

The utility model discloses an atomizer of evaporative light scattering detector, including top connecting piece, atomizer body, bottom body and third nut, the label is pasted to the outside of atomizer body, the bottom of atomizer body is connected with the bottom body, the top of atomizer body is connected with the top connecting piece, atomizer body and bottom body present the circular, the central point at top connecting piece top puts and is provided with first nut, the inside at first nut top is through the mobile phase entry of screw thread fixed connection, the bottom of bottom body presents the toper, the utility model discloses through take off spacing fastener, then press the elasticity fastener, insert the trachea into the elasticity fastener, then through pulling out the elasticity fastener, the one end of elasticity fastener will press from both sides the trachea under the effect of spacing ring, then make spacing fastener block between elasticity fastener and outer sleeve pipe, thereby realizing the purpose of conveniently replacing and disassembling the pipeline.

Description

Atomizer for evaporative light scattering detector

Technical Field

The utility model relates to a atomizer technical field specifically is evaporation light scattering detector's atomizer.

Background

The detection principle of the evaporative light scattering detector is that firstly column eluent is atomized to form aerosol, then solvent is evaporated in a heated drift tube, and finally the remaining non-volatile solute particles are detected in a light scattering detection pool, but the existing atomizer of the evaporative light scattering detector has many problems or defects:

firstly, the existing atomizer of the evaporative light scattering detector is inconvenient to connect and disassemble pipelines and has low practicability;

secondly, the existing atomizer of the evaporative light scattering detector has unreasonable structure, needs to adjust the distance between the spray needle and the spray nozzle, and is excessively troublesome to adjust;

third, the conventional nebulizer for an evaporative light scattering detector cannot calculate the volume of carrier gas passing through the nebulizer per unit time, and is not practical.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an evaporation light scattering detector's atomizer is inconvenient with the dismantlement pipeline in order to solve the connection that proposes in the above-mentioned background art, the unreasonable and problem that can not calculate the carrier gas volume that passes through in the unit interval of structure.

In order to achieve the above object, the utility model provides a following technical scheme: the atomizer of the evaporative light scattering detector comprises a top connecting piece, an atomizer body, a bottom body and a third nut, wherein a label is pasted on the outer portion of the atomizer body, the bottom of the atomizer body is connected with the bottom body, the top of the atomizer body is connected with the top connecting piece, the atomizer body and the bottom body are circular, a first nut is arranged at the center position of the top connecting piece, a mobile phase inlet is fixedly connected to the inner portion of the top of the first nut through threads, and the bottom of the bottom body is conical.

Preferably, a third nut is movably arranged at the center of one side of the sprayer body, one end of the third nut is movably connected with a threaded interface, and the threaded interface achieves the purpose of connecting a pipeline.

Preferably, one side of the threaded connector is movably connected with a connecting mechanism, the bottom of the connecting mechanism is provided with a nozzle, and the connecting mechanism achieves the purpose of connecting a pipeline.

Preferably, the spray needle is movably arranged in the nozzle, the raised body is uniformly arranged outside the spray needle, a hole is formed between the spray needle and the nozzle, and the spray needle achieves the purpose of spraying.

Preferably, the inside of coupling mechanism has set gradually spacing ring, outside sleeve pipe, connecting pipe, second nut, elasticity fastener, spacing fastener and trachea, and the one end of second nut is passed through screw thread and hickey swing joint, and the one end of second nut is connected with the connecting pipe, and the one end of connecting pipe is connected with outside sleeve pipe, and the elasticity fastener has played fixed purpose.

Preferably, the inside packing of outside sheathed tube has the spacing ring, and outside sheathed tube central point puts swing joint has the elasticity fastener, and the trachea has been inserted to the inside of elasticity fastener, and the joint has spacing fastener between the elasticity fastener of outside sheathed tube, and the spacing ring has played spacing purpose.

Compared with the prior art, the beneficial effects of the utility model are that: the atomizer of the evaporative light scattering detector is reasonable in structure and has the following advantages:

(1) through being provided with the spacing ring, outside sleeve pipe, the connecting pipe, the second nut, the elasticity fastener, spacing fastener and trachea have realized connecting and change the pipeline convenient, it is inconvenient with the change pipeline that current device is connected, therefore, in use, through taking off spacing fastener, then press down the elasticity fastener, insert the trachea in the elasticity fastener, then through pulling out the elasticity fastener, the one end of elasticity fastener will press from both sides tight trachea under the effect of spacing ring, then make spacing fastener block between elasticity fastener and outside sleeve pipe, thereby realized changing and dismantling the convenient purpose of pipeline.

(2) The structure simplification purpose is realized by the arrangement of the protruding body, the spray needle and the nozzle, the protruding body is arranged on the side wall of the bottom of the spray needle, during assembly, the spray needle is inserted into the connecting hole at the upper end of the nozzle, the diameter of the connecting hole is equal to the maximum distance between the protruding bodies, and the adjacent protruding bodies and the inner wall of the connecting hole form a pore for the carrier gas to pass through at a stable flow rate, so that the distance between the spray needle and the nozzle does not need to be adjusted.

(3) Through being provided with protruding body, hole, spray needle and nozzle, realized can calculating the carrier gas volume purpose that passes through in the unit interval, consequently the hole presents fan-shaped structure, is convenient for calculate the carrier gas volume that passes through in the unit interval, is convenient for simultaneously select the bellied spray needle of not unidimensional according to the flow of actual carrier gas, and the practicality is strong.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the connection mechanism of the present invention;

fig. 3 is a schematic view of the partial bottom structure of the present invention;

fig. 4 is a schematic top view of the present invention.

In the figure: 1. a mobile phase inlet; 2. a first nut; 3. a top connector; 4. a sprayer body; 5. a label; 6. a bottom body; 7. a threaded interface; 8. a connecting mechanism; 801. a limiting ring; 802. an outer sleeve; 803. a connecting pipe; 804. a second nut; 805. the elastic clamping piece; 806. a limiting clamping piece; 807. an air tube; 9. a third nut; 10. a raised body; 11. a pore; 12. spraying needles; 13. and (4) a nozzle.

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. 1-4, the present invention provides an embodiment: the atomizer of the evaporative light scattering detector comprises a top connecting piece 3, an atomizer body 4, a bottom body 6 and a third nut 9, wherein a label 5 is pasted outside the atomizer body 4, the bottom of the atomizer body 4 is connected with the bottom body 6, the top of the atomizer body 4 is connected with the top connecting piece 3, the atomizer body 4 and the bottom body 6 are circular, a first nut 2 is arranged at the central position of the top connecting piece 3, the inside of the top of the first nut 2 is fixedly connected with a mobile phase inlet 1 through threads, and the bottom of the bottom body 6 is conical;

a third nut 9 is movably arranged at the center of one side of the sprayer body 4, and one end of the third nut 9 is movably connected with a threaded connector 7;

one side of the threaded connector 7 is movably connected with a connecting mechanism 8, and the bottom of the connecting mechanism 8 is provided with a nozzle 13;

a spray needle 12 is movably arranged in the nozzle 13, a raised body 10 is uniformly arranged outside the spray needle 12, and a pore 11 is formed between the spray needle 12 and the nozzle 13;

by providing the protrusion bodies 10 on the side wall of the bottom of the needle 12, when assembling, the needle 12 is inserted into the connection hole of the upper end of the nozzle 13, the diameter of the connection hole is equal to the maximum distance between the protrusion bodies 10, and the adjacent protrusion bodies 10 and the connection hole inner wall form a pore 11 for the carrier gas to pass through at a stable flow rate, so that there is no need to adjust the distance between the needle 12 and the nozzle 13;

the holes 11 are of a fan-shaped structure, so that the volume of carrier gas passing through in unit time can be calculated conveniently, meanwhile, the spray needles 12 with different sizes of protrusions can be selected conveniently according to the flow of the actual carrier gas, and the practicability is high;

a limiting ring 801, an external sleeve 802, a connecting pipe 803, a second nut 804, an elastic clamping piece 805, a limiting clamping piece 806 and an air pipe 807 are sequentially arranged in the connecting mechanism 8, one end of the second nut 804 is movably connected with the threaded interface 7 through threads, one end of the second nut 804 is connected with the connecting pipe 803, and one end of the connecting pipe 803 is connected with the external sleeve 802;

the inner part of the outer sleeve 802 is filled with a limit ring 801, the center position of the outer sleeve 802 is movably connected with an elastic clamping piece 805, an air pipe 807 is inserted in the elastic clamping piece 805, and a limit clamping piece 806 is clamped between the elastic clamping pieces 805 of the outer sleeve 802;

during the use, through taking off spacing fastener 806, then press down elasticity fastener 805, insert trachea 807 in elasticity fastener 805, then through pulling out elasticity fastener 805, the one end of elasticity fastener 805 will press from both sides tight trachea 807 under spacing ring 801's effect, then make spacing fastener 806 block between elasticity fastener 805 and outside sleeve pipe 802 to realized changing and dismantling the convenient purpose of pipeline.

The working principle is as follows: the prior device is inconvenient for connecting and replacing pipelines, therefore, when in use, the limit clamping piece 806 is taken down, the elastic clamping piece 805 is pressed, the air pipe 807 is inserted into the elastic clamping piece 805, then the elastic clamping piece 805 is pulled out, one end of the elastic clamping piece 805 clamps the air pipe 807 under the action of the limit ring 801, and then the limit clamping piece 806 is clamped between the elastic clamping piece 805 and the outer sleeve 802, thereby realizing the purpose of conveniently replacing and disassembling the pipelines, when in assembly, the spray needle 12 is inserted into a connecting hole at the upper end in the nozzle 13, the diameter of the connecting hole is equal to the maximum distance between the convex bodies 10, and the adjacent convex body 10 and the inner wall of the connecting hole form a pore 11 for the carrier gas to pass through at a stable flow rate, thus, the distance between the spray needle 12 and the nozzle 13 does not need to be adjusted, the holes 11 are of a fan-shaped structure, so that the volume of carrier gas passing through in unit time can be calculated conveniently, meanwhile, the spray needles 12 with different sizes can be selected conveniently according to the flow of the actual carrier gas, and the practicability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. Atomizer of evaporative light scattering detector, including top connecting piece (3), atomizer body (4), bottom body (6) and third nut (9), its characterized in that: the portable atomizer is characterized in that a label (5) is pasted on the outer portion of the atomizer body (4), the bottom of the atomizer body (4) is connected with a bottom body (6), the top of the atomizer body (4) is connected with a top connecting piece (3), the atomizer body (4) and the bottom body (6) are circular, a first nut (2) is arranged at the center of the top connecting piece (3), a mobile phase inlet (1) is fixedly connected with the inner portion of the top of the first nut (2) through threads, and the bottom of the bottom body (6) is conical.

2. The evaporative light scattering detector atomizer of claim 1, wherein: a third nut (9) is movably arranged at the center of one side of the sprayer body (4), and one end of the third nut (9) is movably connected with a threaded connector (7).

3. The evaporative light scattering detector atomizer of claim 2, wherein: one side of the threaded connector (7) is movably connected with a connecting mechanism (8), and a nozzle (13) is arranged at the bottom of the connecting mechanism (8).

4. The evaporative light scattering detector atomizer of claim 3, wherein: the spray nozzle is characterized in that a spray needle (12) is movably arranged in the spray nozzle (13), a raised body (10) is uniformly arranged outside the spray needle (12), and a pore (11) is formed between the spray needle (12) and the spray nozzle (13).

5. The evaporative light scattering detector atomizer of claim 3, wherein: the connecting mechanism (8) is internally provided with a limiting ring (801), an external sleeve (802), a connecting pipe (803), a second nut (804), an elastic clamping piece (805), a limiting clamping piece (806) and an air pipe (807) in sequence, one end of the second nut (804) is movably connected with the threaded interface (7) through threads, one end of the second nut (804) is connected with the connecting pipe (803), and one end of the connecting pipe (803) is connected with the external sleeve (802).

6. The evaporative light scattering detector atomizer of claim 5, wherein: the limiting ring (801) is filled in the outer sleeve (802), an elastic clamping piece (805) is movably connected to the center of the outer sleeve (802), an air pipe (807) is inserted into the elastic clamping piece (805), and a limiting clamping piece (806) is clamped between the elastic clamping pieces (805) of the outer sleeve (802).

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