Sample introduction structure for mass spectrometer

Abstract

The utility model provides a sample introduction structure for a mass spectrometer, and relates to the technical field of sample introduction structures. The mass spectrometer comprises a mass spectrometer body, a feeding structure and a fixing structure, and the fixing structure comprises a fixing column, a fixing air cylinder, a propelling air cylinder, a fixing plate and a top plate. According to the utility model, the six groups of air cylinders for stabilizing the sample injector are arranged, and the sample injector and the feeding disc are respectively fixed, so that the inertia caused by the rotation of the rotating motor is reduced to the minimum, and the sample injector can be fully aligned with a sizing material port, thereby greatly reducing the operation difficulty, and being high in automation degree and high in efficiency. And the detection efficiency of the mass spectrometer is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of a sample injection structure, in particular to a sample injection structure for a mass spectrometer. Background Art

[0002] A mass spectrometer is an instrument for separating and detecting different isotopes. That is, based on the principle that charged particles can be deflected in an electromagnetic field, it is a type of instrument that separates and detects the composition of substances according to the mass differences of atomic, molecular, or molecular fragment of substances.

[0003] In the prior art, in the patent document with the publication number CN219626590U, a sample injection device for a mass spectrometer is proposed, which includes a mass spectrometer body and a sample injection port opened on the upper end face of the mass spectrometer body. A rotatable turntable is arranged above the sample injection port, and a driving component for driving the turntable to rotate is installed at the center of the lower end face of the turntable. A plurality of placement holes distributed in a ring shape with the center of the turntable as the center point are opened on the turntable, and a sample injector is movably inserted into each placement hole, and one of the sample injectors is located directly above the sample injection port. One end of the upper end face of the mass spectrometer body is fixedly provided with a fixed bracket, and a movable bracket perpendicular to the fixed bracket is installed on the fixed bracket. It overcomes the deficiencies of the prior art. By driving the turntable to rotate through a driver to drive the sample injector to be automatically aligned, and then using a sample injection cylinder to extrude the sample, the operation difficulty is low, the degree of automation is high, and the detection efficiency of the mass spectrometer is improved.

[0004] Although the prior art solves the alignment problem of the equipment, in the actual working process, there will still be problems of insufficient stability caused by the shaking brought by rotation. Summary of the Utility Model

[0005] Aiming at the deficiencies existing in the above problems, the utility model provides a sample injection structure for a mass spectrometer, which is provided with six groups of cylinders for stabilizing the sample injector. By fixing the sample injector and the feeding tray respectively, the inertia brought by the rotation of the rotating motor can be minimized, and at the same time, the sample injector can be fully aligned with the rubber material port, thereby greatly reducing the operation difficulty, having a high degree of automation, and improving the detection efficiency of the mass spectrometer.

[0006] To solve the above problems, the present utility model provides a sample introduction structure for a mass spectrometer, including a mass spectrometer body and a feeding structure. The feeding structure is arranged at the upper end of the mass spectrometer body. Among them, a fixing structure is further included. The fixing structure includes a fixing column, a fixing cylinder, a pushing cylinder, a fixing plate and a top plate. The fixing column is arranged at the upper end of the mass spectrometer and the fixing column is located at one end of the feeding structure. The fixing cylinder is arranged at the upper end of the fixing column, and the pushing cylinder is arranged at the lower end of the fixing column. Moreover, the output end of the fixing cylinder is connected to the fixing plate through a telescopic rod, and the pushing cylinder is connected to the top plate through a telescopic rod. The fixing plate and the top plate are both arranged opposite to the feeding structure.

[0007] Preferably, the feeding structure includes a first feeding structure and a second feeding structure. The first feeding structure is arranged at the left end of the mass spectrometer, and the second feeding structure is arranged at the right end of the mass spectrometer.

[0008] Preferably, the fixing structure includes a first fixing structure and a second fixing structure. The first fixing structure and the second fixing structure are both arranged between the first feeding structure and the second feeding structure.

[0009] Preferably, the first fixing structure includes a first fixing column, a first fixing cylinder, a first pushing cylinder, a first fixing plate and a first top plate. The first fixing column is arranged at the upper end of the mass spectrometer. The first fixing cylinder is arranged at the right end of the first fixing column, and the output end of the first fixing cylinder is connected to the first fixing plate through a telescopic rod. The first pushing cylinder is arranged at the lower end of the first fixing column, and the output end of the first pushing cylinder is connected to the first top plate through a telescopic rod.

[0010] Preferably, the second fixing structure includes a second fixing column, a second fixing cylinder, a second pushing cylinder, a second fixing plate and a second top plate. The second fixing column is arranged at the upper end of the mass spectrometer. The second fixing cylinder is arranged at the left end of the second fixing column, and the output end of the second fixing cylinder is connected to the second fixing plate through a telescopic rod. The second pushing cylinder is arranged at the lower end of the second fixing column, and the output end of the second pushing cylinder is connected to the second top plate through a telescopic rod.

[0011] Compared with the prior art, the present utility model has the following advantages:

[0012] Six groups of cylinders for stabilizing the sampler are arranged in the present utility model. By fixing the sampler and the feeding tray respectively, the inertia brought by the rotation of the rotating motor can be minimized, and at the same time, the sampler can be fully aligned with the rubber material port, thus greatly reducing the operation difficulty, having a high degree of automation and improving the detection efficiency of the mass spectrometer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural diagram of an embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] In order to make the purpose, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and examples, but the examples given do not limit the present utility model.

[0015] As Figure 1 shown, the embodiment of the present utility model includes a mass spectrometer body and a feeding structure. The feeding structure is arranged at the upper end of the mass spectrometer body. A feeding port is arranged on the mass spectrometer. The feeding port includes a first feeding port and a second feeding port. The first feeding port is arranged at the left end of the mass spectrometer, and the second feeding port is arranged at the right end of the mass spectrometer. The feeding structure includes a first feeding structure and a second feeding structure. The first feeding structure includes a first mounting plate, a first rotating motor, a first rotating shaft, a first feeding plate and a first sampler. The first mounting plate is arranged at the left end of the mass spectrometer. The first rotating motor is arranged on the first mounting plate and the output end of the first rotating motor is connected to the first rotating shaft. A first feeding plate is arranged on the first rotating shaft. A first sampler is arranged on the first feeding plate. The first sampler is arranged corresponding to the first feeding port. The second feeding structure includes a second mounting plate, a second rotating motor, a second rotating shaft, a second feeding plate and a second sampler. The second mounting plate is arranged at the right end of the mass spectrometer. The second rotating motor is arranged on the second mounting plate and the output end of the second rotating motor is connected to the second rotating shaft. A second feeding plate is arranged on the second rotating shaft. A second sampler is arranged on the second feeding plate. The second sampler is arranged corresponding to the second feeding port.

[0016] In this embodiment, a fixing structure is arranged on the mass spectrometer. The fixing structure includes a first fixing structure and a second fixing structure. Both the first fixing structure and the second fixing structure are arranged between the first feeding structure and the second feeding structure.

[0017] In this embodiment, the first fixing structure includes a first fixing column, a first fixing cylinder, a first propulsion cylinder, a first fixing plate and a first top plate. The first fixing column is arranged at the upper end of the mass spectrometer. The first fixing cylinder is arranged at the upper end of the first fixing column and is arranged at the right end of the first fixing column. And the output end of the first fixing cylinder is connected to the first fixing plate through a telescopic rod. The first fixing plate is arranged corresponding to the first sampler. The first propulsion cylinder is arranged at the lower end of the first fixing column. The first propulsion cylinder includes a first upper propulsion cylinder and a first lower propulsion cylinder. And the output ends of the first upper propulsion cylinder and the first lower propulsion cylinder are respectively connected to the first top plate through telescopic rods. The first top plate is arranged corresponding to the right end of the first feeding plate. At the same time, the first fixing column is provided with a first auxiliary telescopic rod with damping. The first auxiliary telescopic rod includes a first upper auxiliary telescopic rod and a first lower auxiliary telescopic rod. The first upper auxiliary telescopic rod is located above the first upper propulsion cylinder, and the first lower auxiliary telescopic rod is located below the first lower propulsion cylinder.

[0018] In this embodiment, the second fixing structure includes a second fixing column, a second fixing cylinder, a second propulsion cylinder, a second fixing plate, and a second top plate. The second fixing column is arranged at the upper end of the mass spectrometer. The second fixing cylinder is arranged at the upper end of the second fixing column and at the left end of the second fixing column. The output end of the second fixing cylinder is connected to the second fixing plate through a telescopic rod. The second fixing plate is correspondingly arranged with the second sampler. The second propulsion cylinder is arranged at the lower end of the second fixing column. The second propulsion cylinder includes a second upper propulsion cylinder and a second lower propulsion cylinder. The output ends of the second upper propulsion cylinder and the second lower propulsion cylinder are respectively connected to the second top plate through telescopic rods. The second top plate is correspondingly arranged with the left end of the second feeding tray. At the same time, the second fixing column is provided with a second auxiliary telescopic rod with damping. The second auxiliary telescopic rod includes a second upper auxiliary telescopic rod and a second lower auxiliary telescopic rod. The second upper auxiliary telescopic rod is located at the upper end of the second upper propulsion cylinder, and the second lower auxiliary telescopic rod is located at the lower end of the second lower propulsion cylinder.

[0019] Those skilled in the art shall connect all the electrical components in this case to their adapted power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. For the specific connection and control sequence, reference should be made to the sequence of the electrical components working successively in the following working principle to complete the electrical connection. The detailed connection means are well-known techniques in the art. The following mainly introduces the working principle and process, and no further description of the electrical control will be made.

[0020] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

[0021] In the description of this specification, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the technical solutions of this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present patent application.

[0022] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "a plurality of" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0023] In this specification, unless otherwise clearly stipulated and defined, terms such as "installed", "connected", "linked", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this specification can be understood according to specific circumstances.

[0024] In this specification, unless otherwise clearly stipulated and defined, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0025] In the description of this specification, descriptions with reference to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0026] Although the embodiments of the present utility model have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present utility model. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present utility model.

Claims

1. A sample introduction structure for a mass spectrometer, comprising a mass spectrometer body and a feed structure, wherein the feed structure is arranged at the upper end of the mass spectrometer body, and is characterized in that: It also includes a fixed structure, which includes a fixed column, a fixed cylinder, a propulsion cylinder, a fixed plate and a top plate. The fixed column is arranged at the upper end of the mass spectrometer and the fixed column is located at one end of the feeding structure. The fixed cylinder is arranged at the upper end of the fixed column, and the propulsion cylinder is arranged at the lower end of the fixed column. In addition, the output end of the fixed cylinder is connected to the fixed plate through a telescopic rod, and the propulsion cylinder is connected to the top plate through the telescopic rod. The fixed plate and the top plate are both arranged opposite to the feeding structure.

2. A sample injection structure for a mass spectrometer as claimed in claim 1, characterized in that: The feed structure comprises a first feed structure and a second feed structure, wherein the first feed structure is arranged at the left end of the mass spectrometer, and the second feed structure is arranged at the right end of the mass spectrometer.

3. A sample injection structure for a mass spectrometer as claimed in claim 2, characterized in that: The fixing structure comprises a first fixing structure and a second fixing structure, and the first fixing structure and the second fixing structure are both arranged between the first feeding structure and the second feeding structure.

4. A sample injection structure for a mass spectrometer as claimed in claim 3, characterized in that: The first fixed structure includes a first fixed column, a first fixed cylinder, a first propulsion cylinder, a first fixed plate and a first top plate. The first fixed column is arranged at the upper end of the mass spectrometer, the first fixed cylinder is arranged at the right end of the first fixed column, and the output end of the first fixed cylinder is connected to the first fixed plate through a telescopic rod, the first propulsion cylinder is arranged at the lower end of the first fixed column, and the output end of the first propulsion cylinder is connected to the first top plate through the telescopic rod.

5. The sample injection structure for a mass spectrometer according to claim 4, characterized in that: The second fixed structure includes a second fixed column, a second fixed cylinder, a second propulsion cylinder, a second fixed plate and a second top plate. The second fixed column is arranged at the upper end of the mass spectrometer, the second fixed cylinder is arranged at the left end of the second fixed column, and the output end of the second fixed cylinder is connected to the second fixed plate through a telescopic rod, and the second propulsion cylinder is arranged at the lower end of the second fixed column, and the output end of the second propulsion cylinder is connected to the second top plate through a telescopic rod.

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