Sample injector for mass spectrometer examination

Abstract

The utility model relates to the related technical field of mass spectrometer inspection, in particular to a sample injector for mass spectrometer inspection, which comprises a fixing frame, a sample box is inserted and connected in the fixing frame in a matched manner, a plurality of sample cores are mounted in the sample box through fixing cylinders, and a cutting component for cutting the sample cores is mounted on one side of the fixing frame. Different sample cores are used by adjusting the position of the sample box on the fixing frame, the pushing plate is arranged on the fixing frame to push the sample cores out of the sample box, then the sample cores with different lengths are cut out through the cutting assembly to be used for mass spectrometer inspection work, the sample adding efficiency is high, and the sample adding efficiency is high. A plurality of sample cores are mounted in one sample box for use, so that the effective use time is long, and the practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of mass spectrometer inspection, in particular to a sampler for mass spectrometer inspection. Background Technique

[0002] Mass spectrometers are widely used in hospitals. This device is used to test bacteria, and the test results are used for the analysis and diagnosis of patients' conditions. The inventor used a mass spectrometer in actual work and found that the sampling method of the mass spectrometer is not perfect. The existing sampling method is to pick bacteria with a cotton swab or toothpick and smear them on the sampling metal plate. Sampling is required for each test, and the sampling action is repeated. In this way, the sampling efficiency is slow and the use requirements cannot be met. Therefore, those skilled in the art have proposed a sampler for mass spectrometer inspection to solve the problems raised in the above background. Content of the Utility Model

[0003] The purpose of the utility model is to provide a sampler for mass spectrometer inspection to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A sampler for mass spectrometer inspection, including a fixed frame, a sample box is inserted and connected in the fixed frame, a plurality of fixed cylinders are arranged at equal intervals in the sample box, a sample core is installed in the fixed cylinder, a first outlet is arranged on one side of the fixed frame, and a plurality of second outlets are arranged on the side of the sample box close to the first outlet. The arrangement position and the number of the second outlets correspond to those of the fixed cylinder. A cutting component is arranged on the outer side wall of the fixed frame near the first outlet, and the cutting component is used for cutting the sample core. A fixing component is arranged on the other side of the fixed frame, and the fixing component is used for fixing the position of the sample box. A push plate is arranged on the top of the fixed frame, and the bottom end of the push plate extends into the sample box, and the push plate is used for pushing the sample core to the first outlet.

[0006] As a further scheme of the utility model: a first movable groove is arranged at the top end of the fixed frame, a plurality of second movable grooves are arranged at the top end of the sample box, the arrangement number and the arrangement position of the second movable grooves correspond to those of the fixed cylinder, the top end of the push plate is connected with a push block, the push block is slidably and fittingly installed at the top end of the fixed frame, the push block is located directly above the first movable groove, and the push plate passes through the first movable groove and the second movable groove.

[0007] As a further scheme of the utility model: a strip-shaped groove is arranged at the top of the fixed cylinder, the bottom end of the push plate extends to one side of the end of the sample core, and the strip-shaped groove is used for the push plate to pass through movably.

[0008] As a further solution of the present utility model: The fixing component includes a positioning insertion rod inserted and connected to the side of the fixing frame. A plurality of positioning insertion holes are provided on the side of the sample box. The number and positions of the positioning insertion holes correspond to those of the fixing cylinder. One end of the positioning insertion rod is inserted into the positioning insertion hole, and the other end of the positioning insertion rod extends outside the fixing frame and is connected with a first handle. A first elastic member is sleeved on the positioning insertion rod. One end of the first elastic member abuts against the outer wall of the fixing frame, and the other end of the first elastic member abuts against the first handle.

[0009] As a further solution of the present utility model: The cutting component includes a right-angle plate installed at one end of the fixing frame, a movable rod inserted and connected to the right-angle plate, and a cutting blade connected to one end of the movable rod close to the first outlet. A second elastic member is sleeved on the movable rod. One end of the second elastic member abuts against the right-angle plate, and the other end of the second elastic member abuts against the cutting blade. The other end of the movable rod is connected with a second handle.

[0010] The present utility model has the following beneficial effects: The sampler uses different sample cores by adjusting the position of the sample box on the fixing frame, pushes the sample core out of the sample box through the push plate, and then cuts the sample core through the cutting component, so as to intercept sample cores of different lengths for use in the mass spectrometer inspection work. Multiple sample cores can be installed in one sample box for standby, making the overall sampler have a better sampling effect. At the same time, the installation and interception of the sample core are convenient, the sampling efficiency is high, and it has stronger practicability. Description of the Drawings

[0011] Figure 1 It is a top view of the overall internal structure of an embodiment of the present utility model.

[0012] Figure 2 It is a front view of the overall internal structure of an embodiment of the present utility model.

[0013] Figure 3 It is a schematic structural diagram of the push block and the fixing cylinder in an embodiment of the present utility model.

[0014] In the figure: 1. Fixing frame; 2. Sample box; 3. First outlet; 4. Second outlet; 5. Fixing cylinder; 6. Connecting plate; 7. Strip-shaped groove; 8. First movable groove; 9. Second movable groove; 10. Push block; 11. Push plate; 12. Positioning insertion rod; 13. First handle; 14. First elastic member; 15. Positioning insertion hole; 16. Right-angle plate; 17. Movable rod; 18. Second handle; 19. Second elastic member; 20. Cutting blade; 21. Sample core. Detailed Embodiment

[0015] The technical solution of the present utility model will be further described in detail below in conjunction with specific embodiments.

[0016] Embodiment 1: Please refer to Figures 1 to 3 , a pipette for mass spectrometer inspection, including a fixed frame 1, a sample box 2 is inserted and fitted in the fixed frame 1, a plurality of fixed cylinders 5 are equidistantly arranged in the sample box 2, a sample core 21 is installed in the fixed cylinder 5, a box cover is arranged on the top of the sample box 2, and the sample core 21 is installed by opening the box cover. The bottom of the fixed cylinder 5 is connected to the inner bottom surface of the sample box 2 through a connecting plate 6. The fixed cylinder 5 is made of an elastic material. A first outlet 3 is arranged on one side of the fixed frame 1, and a plurality of second outlets 4 are arranged on one side of the sample box 2 close to the first outlet 3. The setting position and the number of the second outlets 4 correspond to those of the fixed cylinder 5. A cutting component is arranged on the outer side wall of the fixed frame 1 close to the first outlet 3, and the cutting component is used for cutting the sample core 21. A fixing component is arranged on the other side of the fixed frame 1, and the fixing component is used for fixing the position of the sample box 2. A push plate 11 is arranged on the top of the fixed frame 1, and the bottom end of the push plate 11 extends into the sample box 2. The push plate 11 is used to push the sample core 21 to the first outlet 3.

[0017] Please refer to Figures 1 to 3 , a first moving groove 8 is arranged at the top end of the fixed frame 1, a plurality of second moving grooves 9 are arranged at the top end of the sample box 2. The number and the setting position of the second moving grooves 9 correspond to those of the fixed cylinder 5. The top end of the push plate 11 is connected with a push block 10. The push block 10 is slidably and fittingly installed at the top end of the fixed frame 1. The push block 10 is located directly above the first moving groove 8. The push plate 11 passes through the first moving groove 8 and the second moving groove 9. A strip-shaped groove 7 is arranged at the top of the fixed cylinder 5. The fixed cylinder 5 is elastic and deformable. The sample core 21 is installed in the fixed cylinder 5 through the strip-shaped groove 7. The bottom end of the push plate 11 extends to one side of the end of the sample core 21. The strip-shaped groove 7 is used for the push plate 11 to move through. By pushing the push block 10, the push plate 11 is driven to move.

[0018] Embodiment 2: Refer to Figure 1 , Figure 2, on the basis of the first embodiment, the fixing component includes a positioning insertion rod 12 inserted and connected to the side of the fixing frame 1. A plurality of positioning insertion holes 15 are provided on the side of the sample box 2. The number and positions of the positioning insertion holes 15 correspond to those of the fixing cylinder 5. One end of the positioning insertion rod 12 is inserted into the positioning insertion hole 15, and the other end of the positioning insertion rod 12 extends outside the fixing frame 1 and is connected with a first handle 13. A first elastic member 14 is sleeved on the positioning insertion rod 12. One end of the first elastic member 14 abuts against the outer wall of the fixing frame 1, and the other end of the first elastic member 14 abuts against the first handle 13. After the end of the positioning insertion rod 12 is inserted into the positioning insertion hole 15, the position of the sample box 2 on the fixing frame 1 can be fixed by the positioning insertion rod 12.

[0019] Please refer to Figure 1 , Figure 2 , the cutting component includes a right-angle plate 16 installed at one end of the fixing frame 1, a movable rod 17 inserted and connected to the right-angle plate 16, and a cutting blade 20 connected to one end of the movable rod 17 close to the first outlet 3. A second elastic member 19 is sleeved on the movable rod 17. One end of the second elastic member 19 abuts against the right-angle plate 16, and the other end of the second elastic member 19 abuts against the cutting blade 20. The other end of the movable rod 17 is connected with a second handle 18. The cutting blade 20 is in sliding fit with the outer wall of one end of the fixing frame 1.

[0020] Working principle: When in use, the sample box 2 is inserted and installed into the fixing frame 1. The position of the sample box 2 is adjusted, and the end of the positioning insertion rod 12 is inserted into the corresponding positioning insertion hole 15 to fix the position of the sample box 2. The push plate 11 is inserted into the first movable groove 8 and the second movable groove 9. The push block 10 is pushed to drive the push plate 11 to move. The push plate 11 squeezes one end of the sample core 21 and makes the other end of the sample core 21 pass through the second outlet 4 and the first outlet 3 in sequence until the other end of the sample core 21 extends outside the sample box 2 and the fixing frame 1. The moving distance length of the sample core 21 is adjusted according to the sample addition requirement. The second handle 18 is pushed to drive the movable rod 17 to move, and then the cutting blade 20 is driven to cut the sample core 21. The cut sample core 21 is used for sample addition inspection by a mass spectrometer. When one sample core 21 is used up, when the first handle 13 is pulled, the end of the positioning insertion rod 12 disengages from the positioning insertion hole 15. After moving the sample box 2 to align the next sample core 21 with the position of the first outlet 3, the end of the positioning insertion rod 12 is driven by the first elastic member 14 to be inserted into the next corresponding positioning insertion hole 15 to fix the sample box 2, and then the sampling operation is performed on the new sample core 21.

[0021] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0022] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sample injector for mass spectrometer inspection, comprising a fixing frame, characterized in that: A sample box is inserted and connected in the fixed frame, a plurality of fixed cylinders are arranged at equal intervals in the sample box, a sample core is installed in the fixed cylinder, a first outlet is arranged on one side of the fixed frame, a plurality of second outlets are arranged on the side of the sample box close to the first outlet, the setting position and setting quantity of the second outlets correspond to the fixed cylinder, a cutting assembly is arranged on the outer wall of the fixed frame close to the first outlet, the cutting assembly is used to cut the sample core, a fixing assembly is arranged on the other side of the fixed frame, the fixing assembly is used to fix the position of the sample box, a push plate is arranged on the top of the fixed frame, the bottom end of the push plate extends into the sample box, and the push plate is used to push the sample core to the first outlet.

2. A sample injector for mass spectrometer testing according to claim 1, characterized in that: A first movable groove is arranged at the top of the fixed frame, and a plurality of second movable grooves are arranged at the top of the sample box. The number and positions of the second movable grooves correspond to those of the fixed cylinder. A push block is connected to the top of the push plate, and the push block is slidably fitted on the top of the fixed frame. The push block is located directly above the first movable groove, and the push plate passes through the first movable groove and the second movable groove.

3. A sample injector for mass spectrometer testing according to claim 2, characterized in that: A strip groove is arranged on the top of the fixed cylinder, and the bottom end of the push plate extends to one side of the end of the sample core. The strip groove is used for the push plate to movably pass through.

4. A sample injector for mass spectrometer testing according to claim 1, characterized in that: The fixing assembly includes a positioning rod that is inserted and connected to the side of the fixing frame. A plurality of positioning holes are provided on the side of the sample box. The number and positions of the positioning holes correspond to those of the fixing tube. One end of the positioning rod is inserted into the positioning hole, and the other end of the positioning rod extends to the outside of the fixing frame and is connected to a first handle. A first elastic member is sleeved on the positioning rod, one end of the first elastic member abuts against the outer wall of the fixing frame, and the other end of the first elastic member abuts against the first handle.

5. A sample injector for mass spectrometer testing according to claim 1, characterized in that: The cutting assembly includes a right-angle plate installed at one end of the fixed frame, a movable rod interlaced and connected to the right-angle plate, and a cutting blade connected to one end of the movable rod close to the first outlet, a second elastic member is sleeved on the movable rod, one end of the second elastic member is against the right-angle plate, the other end of the second elastic member is against the cutting blade, and the other end of the movable rod is connected to a second handle.

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