Solid-phase micro-extraction device for extracting trace components of white spirit

Abstract

The utility model provides a solid-phase microextraction device for extracting trace components of white spirit. The solid-phase microextraction device comprises a fixed bracket and an outer frame, the spring net is arranged at the top of the fixed bracket, and solid-phase microextraction needles are arranged around the bottom of the spring net. According to the solid-phase micro-extraction device for extracting the trace components of the white spirit, provided by the utility model, different samples to be detected can be pre-treated at the same time according to the number of the samples to be detected, so that the sample pre-treatment time is saved, and meanwhile, the extraction device has the characteristics of reasonable design, simple structure, strong operability and the like, and is suitable for popularization and application. The solid-phase micro-extraction device has the advantages of high reproducibility, good analysis effect and the like during analysis of the aroma of the trace components of the white spirit, can solve the problems of poor reproducibility of aroma component detection, incapability of simultaneously extracting a plurality of samples and the like, integrates heating and stirring, can simultaneously perform four extraction tests, is convenient to operate, and is suitable for large-scale popularization and application. And the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid phase microextraction technical field especially relates to a solid phase microextraction device for liquor trace component extraction. BACKGROUND

[0002] Solid phase microextraction technology is a very important sample pretreatment technology, which is a kind of microextraction separation technology developed on the basis of solid phase extraction technology, and is a new solvent-free sample microextraction technology integrating collection, extraction, concentration and sampling.

[0003] At present, solid phase microextraction technology is mainly applied to laboratory detection, which needs manual participation and has low automation degree, and in addition, when solid phase extraction is carried out on liquor flavor components, manual operation can only operate one sample at a time or detect the same sample, and manual operation leads to poor reproducibility of detection.

[0004] The existing solid phase microextraction device for liquor trace component extraction has problems of poor reproducibility of flavor component detection and inability to extract multiple samples simultaneously.

[0005] Therefore, it is necessary to provide a solid phase microextraction device for liquor trace component extraction to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a solid phase microextraction device for liquor trace component extraction, which solves the problems of the existing solid phase microextraction device for liquor trace component extraction, such as poor reproducibility of flavor component detection and inability to extract multiple samples simultaneously.

[0007] To solve the above technical problems, the utility model provides a solid phase microextraction device for liquor trace component extraction, which comprises a fixed support and an outer frame.

[0008] Spring net, the spring net is arranged at the top of the fixed support, and the spring net bottom is provided with a solid phase microextraction needle around.

[0009] Groove, four grooves are arranged around the top of the outer frame respectively, the surface of the fixed support is provided with a fixed plate, and the inside of the groove is provided with an extraction bottle.

[0010] Preferably, one side of the outer surface of the fixed support is provided with a power switch, and the other side of the outer surface of the fixed support is provided with a water outlet.

[0011] Preferably, one side of the surface of the fixed plate is threadedly engaged with a threaded column, the top end of the threaded column is fixedly connected with an adjusting block, the bottom end of the threaded column is rotatably connected to the inside of the outer frame, and the other side of the surface of the fixed plate is slidably installed with a limiting rod.

[0012] Preferably, the middle of the top of the fixed plate is fixedly provided with an adjusting device, and four sides of the surface of the adjusting device are threadedly engaged with clamping devices.

[0013] Preferably, the adjusting device comprises a fixed plate, a sliding rod, connecting plates, a reciprocating screw rod and an adjusting block, the fixed plate is fixedly installed in the middle of the top of the fixed plate, the sliding rod is fixedly installed in the middle of one side of the fixed plate, the reciprocating screw rod is rotatably installed in the middle of the other side of the fixed plate, the adjusting block is fixedly connected to one end of the reciprocating screw rod, and the two connecting plates are respectively fixedly installed at two ends of the sliding rod.

[0014] Preferably, the clamping device comprises a clamping plate, a threaded hole, a sliding hole and clamping grooves, the clamping plate is threadedly engaged with the outer surface of the reciprocating screw rod, the threaded hole is formed in one side of the outer surface of the clamping plate, the sliding hole is formed in the other side of the outer surface of the clamping plate, and the two clamping grooves are arranged on the two sides of the outer surface of the clamping plate.

[0015] Preferably, the clamping plate is threadedly engaged with the outer surface of the reciprocating screw rod through the threaded hole, and the clamping plate is slidingly installed on the outer surface of the sliding rod through the sliding hole.

[0016] Compared with the related art, the solid-phase microextraction device for extracting trace components of Baijiu has the following beneficial effects:

[0017] The solid-phase microextraction device for extracting trace components of Baijiu has the characteristics of reasonable design, simple structure and strong operability, and has the advantages of high reproducibility and good analysis effect in aroma analysis of trace components of Baijiu, and can solve the problems of poor reproducibility of flavor component detection and inability to extract multiple samples simultaneously. The solid-phase microextraction device for extracting trace components of Baijiu integrates heating and stirring, can simultaneously perform four extraction tests, is convenient to operate, and improves the test efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic view of a first embodiment of the solid-phase microextraction device for extracting trace components of Baijiu according to the utility model;

[0019] Figure 2 FIG. 2 is a structural schematic view of a second embodiment of the solid-phase microextraction device for extracting trace components of Baijiu according to the utility model;

[0020] Figure 3 FIG. 1 is a structural schematic view of a first embodiment of the solid-phase microextraction device for extracting trace components of Baijiu according to the utility model; Figure 2 FIG. 3 is an adjusting device structural schematic view.

[0021] Figure 4 For Figure 2 The structure diagram of the clamping device is shown.

[0022] The figure mark: 1, spring net, 2, fixed support, 3, outer frame, 4, water outlet, 5, power switch, 6, recess, 7, fixed plate, 8, extraction bottle, 9, solid phase microextraction needle, 10, adjusting block, 11, limiting rod, 12, adjusting device, 121, fixed plate, 122, sliding rod, 123, connecting plate, 124, reciprocating screw rod, 125, adjusting block, 13, clamping device, 131, clamping plate, 132, threaded hole, 133, sliding hole, 134, clamping groove, 14, threaded column. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] First embodiment

[0025] Please combine with Figure 1 Among them, Figure 1 It is structure diagram of first embodiment of solid phase microextraction device for trace component extraction of white liquor provided by the utility model. A solid phase microextraction device for trace component extraction of white liquor, comprising: fixed support 2 and outer frame 3;

[0026] Spring net 1, the spring net 1 is arranged at the top of the fixed support 2, and the bottom of the spring net 1 is provided with solid phase microextraction needle 9 around;

[0027] Recess 6, four recesses 6 are respectively arranged around the top of the outer frame 3, the surface of the fixed support 2 is provided with fixed plate 7, and the inside of the recess 6 is provided with extraction bottle 8.

[0028] The outer surface of the fixed support 2 is provided with power switch 5 on one side, and the outer surface of the fixed support 2 is provided with water outlet 4 on the other side.

[0029] The heating device is installed on the top of the outer frame 3, the heating device heats the extraction bottle 8 in the recess 6, the heating device is provided with magnetic stirring device, the heating device is connected with the water outlet 4, the recess 6 corresponds to the four holes on the surface of the fixed plate 7 in parallel, and the extraction bottle 8 is limited.

[0030] The working principle of the solid phase microextraction device for trace component extraction of white liquor provided by the utility model is as follows:

[0031] In working, first of all, the device is used to extract the trace components of liquor, a certain amount of liquor is diluted and added to the extraction bottle 8 in the test, the rotor is placed in the extraction bottle 8 at the same time, the extraction bottle 8 is placed in the groove 6 of the heating device, a small amount of water is added to the heating device, after the temperature is constant, the magnetic stirring is opened, the extraction time is set, then the solid-phase microextraction needle 9 is pushed down by the spring net 1, the needle head starts extraction, after the end, the needle head of the solid-phase microextraction needle 9 is reset and the sampling needle is pulled out, and the sample is detected and analyzed through the gas chromatography-mass spectrometry (GC-MS) sampling port.

[0032] Compared with the related art, the solid-phase microextraction device for extracting trace components of liquor has the following beneficial effects:

[0033] The solid-phase microextraction device for extracting trace components of liquor has the characteristics of reasonable design, simple structure and strong operability, and has the advantages of high reproducibility and good analysis effect in aroma analysis of trace components of liquor, and can solve the problems of poor reproducibility of flavor component detection and simultaneous extraction of multiple samples.

[0034] Second embodiment

[0035] Please refer to Figure 2 , Figure 3 and Figure 4 , based on the first embodiment of the present application, a solid-phase microextraction device for extracting trace components of liquor is provided, and the second embodiment of the present application proposes another solid-phase microextraction device for extracting trace components of liquor. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0036] Specifically, the second embodiment of the present application provides a solid-phase microextraction device for extracting trace components of liquor, which is different from the first embodiment. A solid-phase microextraction device for extracting trace components of liquor, one side of the surface of the fixed plate 7 is threadedly engaged with a threaded column 14, the top end of the threaded column 14 is fixedly connected with an adjusting block 10, the bottom end of the threaded column 14 is rotatably connected to the inside of the outer frame 3, and the other side of the surface of the fixed plate 7 is slidably installed with a limiting rod 11.

[0037] The adjusting device 12 is fixedly installed in the middle of the top of the fixed plate 7, and the adjusting device 14 is threadedly engaged with the clamping device 13 on the four sides of the surface.

[0038] The adjusting device 12 comprises a fixed plate 121, a sliding rod 122, a connecting plate 123, a reciprocating screw rod 124 and an adjusting block 125, the fixed plate 121 is fixedly installed at the middle of the top of the fixed plate 7, the sliding rod 122 is fixedly installed at the middle of one side of the fixed plate 121, the reciprocating screw rod 124 is rotatably installed at the middle of the other side of the fixed plate 121, the adjusting block 124 is fixedly connected to one end of the reciprocating screw rod 124, and two connecting plates 123 are fixedly installed at the two ends of the sliding rod 122.

[0039] The clamping device 13 comprises a clamping plate 131, a threaded hole 132, a sliding hole 133 and a clamping groove 134, the clamping plate 131 is screw-engaged with the outer surface of the reciprocating screw rod 124, the threaded hole 132 is formed in one side of the outer surface of the clamping plate 131, the sliding hole 133 is formed in the other side of the outer surface of the clamping plate 131, and two clamping grooves 134 are formed in the two sides of the outer surface of the clamping plate 131.

[0040] The clamping plate 131 is screw-engaged with the outer surface of the reciprocating screw rod 124 through the threaded hole 132, and the clamping plate 131 is slidingly installed on the outer surface of the sliding rod 122 through the sliding hole 133.

[0041] The clamping device 13 is provided with four, and two clamping devices 13 in a group are close to or away from each other with the rotation of the reciprocating screw rod 124, so that the extraction bottle 8 is clamped or loosened.

[0042] The surface of the clamping groove 134 can be provided with a rubber pad to avoid damaging the extraction bottle 8.

[0043] The bottom end of the threaded column 14 is rotatably connected in the inner part of the outer frame 3, and the bottom end of the limiting rod 11 is fixed on the surface of the outer frame 3.

[0044] The working principle of the solid-phase micro extraction device for extracting trace components of white wine provided by the utility model is as follows:

[0045] In working, firstly, the user rotates the threaded column 14 to be screw-engaged with the fixed plate 7, the fixed plate 7 is sliding on the surface of the limiting rod 11, the height of the fixed plate 7 is adjusted, the operator is convenient to place the extraction bottle 8 in the recess 6, then the height of the fixed plate 7 is adjusted, and the fixed plate 7 is blocked in the middle of the surface of the extraction bottle 8.

[0046] Then the adjusting block 125 drives the reciprocating screw rod 124 to rotate, the reciprocating screw rod 124 is screw-engaged with the four clamping devices 13 on the outer surface, and two clamping devices 13 are close to each other on the surface of the reciprocating screw rod 124, so that the extraction bottle 8 placed on the surface of the recess 6 is clamped.

[0047] Compared with the related art, the solid-phase micro extraction device for extracting trace components of Baijiu has the following beneficial effects:

[0048] The solid-phase micro extraction device for extracting trace components of Baijiu has the following beneficial effects: The device has the advantages of simple structure, high practicability, convenient installation and removal of the extraction bottle, limitation of extraction bottles with different diameters, stability during installation of the extraction bottle, and improved practicability and flexibility.

[0049] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A solid phase microextraction device for extracting trace components of Baijiu, characterized in that, Include: Fixed support and frame; Spring net, the spring net is arranged at the top of the fixed support, and the bottom of the spring net is provided with a solid phase micro extraction needle around; Groove, four said grooves are respectively arranged on the top of the four sides of the frame, the surface of the fixed support is provided with a fixed plate, and the inside of the groove is provided with an extraction bottle.

2. The solid phase microextraction device for extracting trace components of Baijiu according to claim 1, characterized in that, One side of the outer surface of the fixed support is provided with a power switch, and the other side of the outer surface of the fixed support is provided with a water outlet. 3.The solid phase micro extraction device for extracting trace components of Baijiu according to claim 1, characterized in that, One side of the surface of the fixed plate is threadedly engaged with a threaded column, the top end of the threaded column is fixedly connected with an adjusting block, the bottom end of the threaded column is rotatably connected to the inside of the frame, and the other side of the surface of the fixed plate is slidably installed with a limiting rod.

4. The solid phase microextraction device for extracting trace components of Baijiu according to claim 1, characterized in that, The middle of the top of the fixed plate is fixedly installed with an adjusting device, and the surface of the adjusting device is threadedly engaged with a clamping device on four sides.

5. The solid phase microextraction device for extracting trace components of Baijiu according to claim 4, characterized in that, The adjusting device comprises a fixed plate, a sliding rod, a connecting plate, a reciprocating screw rod and an adjusting block, the fixed plate is fixedly installed in the middle of the top of the fixed plate, the sliding rod is fixedly installed in the middle of one side of the fixed plate, the reciprocating screw rod is rotatably installed in the middle of the other side of the fixed plate, the adjusting block is fixedly connected to one end of the reciprocating screw rod, and two connecting plates are respectively fixedly installed on both ends of the sliding rod.

6. The solid phase microextraction device for extracting trace components of Baijiu according to claim 5, characterized in that, The clamping device comprises a clamping plate, a threaded hole, a sliding hole and a clamping groove, the clamping plate is threadedly engaged with the outer surface of the reciprocating screw rod, the threaded hole is opened on one side of the outer surface of the clamping plate, the sliding hole is opened on the other side of the outer surface of the clamping plate, and two clamping grooves are respectively arranged on both sides of the outer surface of the clamping plate.

7. A solid phase micro extraction device for extracting trace components of Baijiu according to claim 6, characterized in that The clamping plate is threadedly engaged with the outer surface of the reciprocating screw rod through the threaded hole, The clamping plate is slidably installed on the outer surface of the sliding rod through the sliding hole.

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