Mass spectrometer sample introduction mechanism capable of effectively limiting

Abstract

The utility model discloses a mass spectrometer sample introduction mechanism capable of effectively limiting, and relates to the technical field of sample introduction mechanisms, the mass spectrometer sample introduction mechanism comprises an operation table, the end part of the operation table is fixedly connected with an ionization chamber, the operation table is internally provided with a first transmission assembly, and the first transmission assembly is provided with a moving assembly in a transmission manner; a first transmission assembly is arranged in the moving assembly, a second transmission assembly is arranged in the moving assembly, a preset assembly is arranged on the moving assembly in a sliding mode, a clamping assembly is arranged in the preset assembly, the first transmission assembly drives the moving assembly to operate, and the second transmission assembly drives the preset assembly to operate. The handle is pulled to drive the U-shaped frame to move and drive the clamping piece to move, then a test tube can be placed in a preset opening in the preset table, then the handle at the other end is pulled to drive the clamping piece at the other end to move, and then the handle is loosened to clamp the test tube, so that the time required for fixing the test tube is shortened, and the test tube can be fixed more conveniently. The production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sample injection mechanisms, in particular to a sample injection mechanism for a mass spectrometer which can effectively limit position. Background Art

[0002] A mass spectrometer is an instrument for separating and detecting different isotopes. It is one of the important tools for understanding the structure of organic matter and is widely used in the fields of pharmaceuticals and food. Since the injection mechanism of a mass spectrometer can bring great convenience to people's work, people are paying more and more attention to the research on the injection mechanism of a mass spectrometer.

[0003] The utility model patent with patent application publication number CN 211907383 U discloses a sample injection mechanism for a mass spectrometer that can be effectively limited, including an operating table, a small motor and an ionization chamber, a small motor is installed inside the operating table, and the output end of the small motor is connected to a mounting plate, a fixing block is welded on the upper right side of the mounting plate, the end of the connecting rod is connected to a limiting block, a threaded rod is arranged inside the feeding plate, a fastening block is arranged on the lower right side of the adjustment block, a second spring is connected to the end of the fastening block, a threaded sleeve is arranged on the outside of the threaded rod, a sample injection plate is welded to the end of the limiting rod, a fixing plate is fixed on the outside of the placement slot, an adjustment rod is arranged on the outer surface of the protective sleeve, and an ionization chamber is installed on the left side of the operating table. The sample injection mechanism for a mass spectrometer that can be effectively limited is convenient for effectively limiting the sample feeding mechanism, and is convenient for adjusting the sample injection height, and is convenient for protecting the sample storage tube.

[0004] However, the above device still has some disadvantages in actual use. The most obvious one is that when you want to place a test tube containing a sample on the mounting block, you need to adjust multiple adjustment rods before you can clamp and fix the test tube. The operation is cumbersome and may reduce production efficiency.

[0005] Therefore, it is necessary to invent a sample injection mechanism for a mass spectrometer that can effectively limit the position to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a sample introduction mechanism for a mass spectrometer that can effectively limit the position, so as to solve the problem raised in the above-mentioned background technology that when a test tube containing a sample is to be placed on a mounting block, multiple adjustment rods need to be adjusted and then the test tube can be clamped and fixed, which is cumbersome to operate and may reduce production efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an effectively limited sample injection mechanism for a mass spectrometer, comprising an operating table, an ionization chamber fixedly connected to the end of the operating table, a first transmission component arranged inside the operating table, a moving component arranged on the first transmission component for transmission, a second transmission component arranged inside the moving component, a preset component slidably arranged on the moving component, a clamping component arranged inside the preset component, the first transmission component drives the moving component to operate, and the second transmission component drives the preset component to operate.

[0008] Preferably, the clamping assembly comprises a U-shaped frame slidably connected to the preset assembly, a clamping piece is fixedly connected to one end of the U-shaped frame, a handle is fixedly connected to the other end of the U-shaped frame, two springs are fixedly connected inside the U-shaped frame, and multiple clamping assemblies are provided, and the multiple clamping assemblies are arranged relatively to each other.

[0009] Preferably, the preset component includes a side plate fixedly connected to the end of the spring, two side plates are provided, a placement table is fixedly connected to the bottom of the side plate, a preset table is provided on the top of the placement table, a plurality of preset openings are opened inside the preset table, and the side plate is slidably connected to the U-shaped frame.

[0010] Preferably, the second transmission assembly includes a second screw rod slidably connected to the placement table, the second screw rod passes through the placement table, and the end of the second screw rod is transmission-connected to a second motor.

[0011] Preferably, the moving component includes a support platform fixedly connected to the outer side of the second motor, the end of the second screw is rotatably connected to the support platform, the support platform passes through the operating table and is slidably connected to the operating table, two connecting rods are fixedly connected to the bottom of the outer side of the support platform, and the ends of the connecting rods are fixedly connected to transmission rods.

[0012] Preferably, the first transmission assembly includes a first screw rod penetrating the transmission rod and slidably connected to the transmission rod, the end of the first screw rod is transmission-connected to a first motor, and the first motor is fixedly disposed inside the operating table.

[0013] Technical effects and advantages of the utility model:

[0014] The utility model drives the U-shaped frame to move by pulling the handle, thereby drives the clamping piece to move, thereby pressing the spring, and then the test tube can be placed in the preset opening on the preset table, and then the handle at the other end is pulled to drive the clamping piece at the other end to move, and then the handle is released to clamp the test tube, thereby reducing the time required for fixing the test tube and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 It is a schematic diagram of a partial structure of the utility model from a top view.

[0017] Figure 3 It is a schematic diagram of the structure of the lifting assembly and the clamping assembly of the utility model.

[0018] Figure 4 It is a schematic diagram of the structure of the clamping component and the pre-set component of the utility model.

[0019] In the figure: 1. operating table; 2. ionization chamber; 3. first motor; 4. first screw; 5. transmission rod; 6. connecting rod; 7. support table; 8. second motor; 9. second screw; 10. placement table; 11. side panel; 12. preset table; 13. preset port; 14. U-shaped frame; 15. clamping piece; 16. handle; 17. spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-4 The shown sample introduction mechanism for a mass spectrometer with effective position limiting includes an operating table 1, an ionization chamber 2 is fixedly connected to the end of the operating table 1, a first transmission component is arranged inside the operating table 1, a moving component is arranged on the first transmission component for transmission, a second transmission component is arranged inside the moving component, a preset component is slidably arranged on the moving component, a clamping component is arranged inside the preset component, the first transmission component drives the moving component to operate, and the second transmission component drives the preset component to operate.

[0022] like Figure 3 and Figure 4 As shown, the clamping assembly includes a U-shaped frame 14 slidably connected to the preset assembly, a clamping member 15 is fixedly connected to the end of the U-shaped frame 14, a handle 16 is fixedly connected to the other end of the U-shaped frame 14, two springs 17 are fixedly connected inside the U-shaped frame 14, and multiple clamping assemblies are provided, and the multiple clamping assemblies are relatively arranged.

[0023] Among them, the preset component includes a side plate 11 fixedly connected to the end of the spring 17, two side plates 11 are provided, a placing table 10 is fixedly connected to the bottom of the side plate 11, a preset table 12 is provided on the top of the placing table 10, a plurality of preset openings 13 are opened inside the preset table 12, and the side plate 11 is slidably connected to the U-shaped frame 14.

[0024] In addition, the second transmission assembly includes a second screw rod 9 slidably connected to the placement table 10 , the second screw rod 9 passes through the placement table 10 , and the end of the second screw rod 9 is transmission-connected to the second motor 8 .

[0025] Through the above components, when it is necessary to place the test tube containing the sample, the handle 16 can be pulled first to drive the U-shaped frame 14 to move, thereby pressing the spring 17 and driving the clamp 15 to move, and then the test tube is passed through the gap between the two clamps 15 and placed in the preset port 13 opened on the preset table 12, and then the handle 16 on the other side is pulled to drive the other clamp 15 to move, and then the handle 16 is released to clamp the test tube between the two clamps 15, so as to fix the position of the test tube, thereby reducing the probability of the test tube shaking during movement. When the test tube is placed, the second motor 8 can be started to drive the second screw 9 to rotate, thereby driving the placement table 10 to rise and fall, thereby adjusting the height of the test tube, so as to facilitate the subsequent placement of the test tube into the ionization chamber 2.

[0026] like Figure 1 and Figure 2 As shown, the moving assembly includes a support platform 7 fixedly connected to the outer side of the second motor 8, the end of the second screw rod 9 is rotatably connected to the support platform 7, the support platform 7 passes through the operating table 1 and is slidably connected to the operating table 1, and two connecting rods 6 are fixedly connected to the bottom of the outer side of the support platform 7, and the ends of the connecting rods 6 are fixedly connected to the transmission rods 5.

[0027] The first transmission assembly includes a first screw rod 4 that penetrates the transmission rod 5 and is slidably connected to the transmission rod 5 . The end of the first screw rod 4 is transmission-connected to the first motor 3 . The first motor 3 is fixedly disposed inside the operating table 1 .

[0028] Through the above components, when the height adjustment of the test tube is completed, the first motor 3 can be started to drive the first screw 4 to rotate, thereby driving the transmission rod 5 to move, thereby driving the connecting rod 6 to move, thereby driving the support platform 7 to move, thereby conveniently driving the test tube to move into the ionization chamber 2.

[0029] Working principle of this utility model:

[0030] During actual use, when it is necessary to place a test tube containing a sample, the handle 16 can be pulled first to drive the U-shaped frame 14 to move, thereby pressing the spring 17 and driving the clamping member 15 to move at the same time, and then the test tube is passed through the gap between the two clamping members 15 and placed into the preset port 13 opened on the preset table 12, and then the handle 16 on the other side is pulled to drive the other clamping member 15 to move, and then the handle 16 is released to clamp the test tube between the two clamping members 15 to fix the position of the test tube, thereby reducing the probability of shaking of the test tube during movement. When the test tube is placed, the second motor 8 can be started to drive the second screw 9 to rotate, thereby driving the placement table 10 to move up and down, so as to adjust the height of the test tube, so as to facilitate the subsequent placement of the test tube into the ionization chamber 2. When the height adjustment of the test tube is completed, the first motor 3 can be started to drive the first screw 4 to rotate, thereby driving the transmission rod 5 to move, thereby driving the connecting rod 6 to move, thereby driving the support table 7 to move, so as to facilitate the test tube to be moved into the ionization chamber 2.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sample injection mechanism for a mass spectrometer capable of effective position limiting, characterized in that: The invention comprises an operating table (1), an ionization chamber (2) is fixedly connected to the end of the operating table (1), a first transmission component is arranged inside the operating table (1), a moving component is arranged on the first transmission component for transmission, a second transmission component is arranged inside the moving component, a presetting component is slidably arranged on the moving component, a clamping component is arranged inside the presetting component, the first transmission component drives the moving component to operate, and the second transmission component drives the presetting component to operate; The clamping assembly comprises a U-shaped frame (14) slidably connected to the pre-set assembly, a clamping member (15) is fixedly connected to one end of the U-shaped frame (14), a handle (16) is fixedly connected to the other end of the U-shaped frame (14), two springs (17) are fixedly connected inside the U-shaped frame (14), and a plurality of the clamping assemblies are provided, and the plurality of clamping assemblies are arranged relative to each other.

2. The sample injection mechanism for a mass spectrometer capable of effective position limiting according to claim 1, characterized in that: The presetting component comprises a side plate (11) fixedly connected to the end of a spring (17), two side plates (11) are provided, a placement table (10) is fixedly connected to the bottom of the side plate (11), a presetting table (12) is provided on the top of the placement table (10), a plurality of presetting openings (13) are provided inside the presetting table (12), and the side plate (11) is slidably connected to a U-shaped frame (14).

3. The sample injection mechanism for a mass spectrometer capable of effective position limiting according to claim 2, characterized in that: The second transmission assembly comprises a second screw rod (9) slidably connected to the placement table (10), the second screw rod (9) passes through the placement table (10), and the end of the second screw rod (9) is transmission-connected to a second motor (8).

4. The sample injection mechanism for a mass spectrometer capable of effective position limiting according to claim 3, characterized in that: The moving assembly comprises a support platform (7) fixedly connected to the outside of the second motor (8); the end of the second screw rod (9) is rotatably connected to the support platform (7); the support platform (7) passes through the operating table (1) and is slidably connected to the operating table (1); two connecting rods (6) are fixedly connected to the bottom of the outside of the support platform (7); and the ends of the connecting rods (6) are fixedly connected to transmission rods (5).

5. The sample injection mechanism for a mass spectrometer capable of effective position limiting according to claim 4, characterized in that: The first transmission assembly comprises a first screw rod (4) which passes through a transmission rod (5) and is slidably connected to the transmission rod (5); the end of the first screw rod (4) is transmission-connected to a first motor (3); and the first motor (3) is fixedly arranged inside the operating table (1).

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