Sample adjusting device for Raman spectrum tester
By designing a sample adjustment device with clamping plates, bidirectional lead screws, rotating disks, and screw adjustment components, the problem of fixing samples of different shapes in the prior art has been solved, achieving flexible clamping of multi-shaped samples and data reliability.
Patent Information
- Application Number
- CN202423096710.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing Raman spectrometers have difficulty effectively clamping and fixing samples of different shapes, resulting in inaccurate detection data.
A sample adjustment device was designed, comprising a clamping plate, a bidirectional lead screw, a rotary disk, and a screw adjustment assembly. The clamping plate is moved by shaking the handle, the angle is adjusted by rotating the locking block, and the height is adjusted by turning the screw, thus achieving the fixation of samples of different shapes.
It enables flexible clamping of samples of different shapes, improving the flexibility of detection and the reliability of data.
Smart Images
Figure CN223727655U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test appearance sample adjusting technology field especially, relates to a sample adjusting device for raman spectrum appearance. BACKGROUND
[0002] Sample adjusting device is a key component in raman spectrum appearance, it is mainly used for the position, angle, height etc. Parameter of test sample accurate adjustment, and the intensity and quality of raman spectrum signal are closely related to the position and state of sample in laser light path. Only when sample is in the focal position of laser and keeps stable, can the strongest raman scattering signal be obtained, if sample position deviates from the focal point, signal intensity will be significantly weakened, influence detection sensitivity, mainly applied to material science research, biomedical field, chemical analysis field etc. Scene, in biomedical research, raman spectrum can be used for analyzing biological samples, such as cell, tissue, biological fluid etc., in organic chemistry, raman spectrum is an important tool for analyzing the structure of organic compounds, and the sample adjusting device can ensure that the organic compound sample (such as liquid, solid powder etc.) is in the best detection position, and in environmental science, raman spectrum can be used to detect pollutants in environmental samples.
[0003] The existing raman spectrum appearance is composed of various structures and components, including laser light source, optical system, sample holder, spectrum collection system, detector, data processing and control system etc., through the coordinated work of these components, raman spectrum can efficiently analyze the molecular structure, composition and relative concentration of materials.
[0004] However, the existing adjusting device is difficult to clamp and fix different shaped samples when observing metal solid samples, and if the clamp is too special, it is easy to face the limitation of sample type, and it is difficult to meet the needs of various samples. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a sample adjusting device for raman spectrum appearance, which aims at improving the problem of inaccurate data caused by the difficulty of the existing adjusting device in clamping and fixing different shaped samples.
[0006] To achieve the above object, the utility model provides the following technical scheme: a sample adjusting device for raman spectrum appearance, comprising a first fixed plate, the outer wall of the first fixed plate is fixedly connected with a placing table on one side, and the outer wall of the placing table is provided with a clamping assembly.
[0007] The clamping assembly includes a clamping plate, the lower surface of the clamping plate is slidably connected to the outer wall of the placing table, the lower surface of the clamping plate is fixedly connected with a first connecting column, the lower surface of the first connecting column is fixedly connected with a sliding block, the inner wall of the sliding block is threadedly connected with a bidirectional screw rod, the outer wall of the bidirectional screw rod is threadedly connected with a moving disc, the inner wall of the first fixed plate is rotatably connected with a connecting rod, one end of the connecting rod is fixedly connected with a crank handle, a groove is formed in the inner part of the placing table, and the outer wall of the first connecting column is slidably connected to the inner wall of the groove.
[0008] Further, the lower surface of the placing table is fixedly connected with a second connecting column, the lower surface of the second connecting column is provided with a rotating assembly, and the lower part of the second connecting column is provided with an adjusting assembly.
[0009] Further, the rotating assembly includes a rotating disc, the upper surface of the rotating disc is fixedly connected to the lower surface of the second connecting column, the outer wall of the rotating disc is rotatably connected with a clamping sleeve, the inner part of the rotating disc is provided with a spring, one end of the spring is fixedly connected with a second baffle, and one end of the second baffle is fixedly connected with a clamping block.
[0010] Further, the adjusting assembly includes a movable rod, the upper surface of the movable rod is fixedly connected to the lower surface of the rotating disc, the outer wall of the movable rod is slidably connected with a second fixed column, the outer wall of the second fixed column is fixedly connected with a first fixed column, the inner wall of the first fixed column is threadedly connected with a screw, one end of the screw (24) is fixedly connected with a knob, and the screw is slidably connected in the inner part of the second fixed column.
[0011] Further, the outer wall of the knob is rotatably connected to the outer wall of the first fixed column on one side, and the knob is used for driving the screw 24 to rotate.
[0012] Further, the outer wall of the movable rod is slidably connected to the inner wall of the first fixed column, the movable rod is used for driving the rotating disc to move up and down, the lower surface of the second fixed column is fixedly connected with a bottom plate, and the lower surface of the bottom plate is fixedly connected with a base.
[0013] Further, the outer wall of the clamping block is slidably connected to the inner wall of the clamping sleeve, and the clamping sleeve is used for limiting the clamping block.
[0014] Further, the outer wall of the base is fixedly connected with a first baffle, the upper surface of the first baffle is fixedly connected with an instrument, and the lower surface of the instrument is fixedly connected with a lens.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1. In this utility model, through the action of the clamping plate and the bidirectional lead screw, when it is necessary to test a solid sample, the crank handle is turned, the bidirectional lead screw rotates, thereby driving the slider to move. The slider drives the clamping plate to move relative to the bidirectional lead screw, which solves the problem of difficulty in clamping and fixing samples of different shapes for testing, and realizes the effect of testing samples of different shapes, thus improving the flexibility of the fixture.
[0017] 2. In this utility model, by using the action of the locking block and the rotating disk, pressing the locking block can make the rotating disk rotate. When the appropriate angle is adjusted, releasing the locking block can achieve the effect of adjusting the angle of the clamp. In addition, by using the action of the movable rod and the screw, the movable rod can be moved to a suitable height and fixed with the screw. This achieves the effect of adjusting the height and angle of the clamp, enabling multi-faceted testing of the sample and obtaining more reliable data. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural schematic diagram of a sample adjustment device for a Raman spectroscopy instrument proposed in this utility model;
[0019] Figure 2 This is a schematic diagram of the bidirectional lead screw part of the sample adjustment device for a Raman spectrometer proposed in this utility model;
[0020] Figure 3 This is a schematic diagram of the locking block structure of a sample adjustment device for a Raman spectroscopy instrument proposed in this utility model;
[0021] Figure 4 This is a schematic diagram of the movable rod part of the sample adjustment device for a Raman spectroscopy instrument proposed in this utility model.
[0022] Legend:
[0023] 1. Instrument; 2. First baffle; 3. Base; 4. Base plate; 5. Lens; 6. First fixing plate; 7. Placement platform; 8. Clamping plate; 9. Crank handle; 10. Connecting rod; 11. First connecting post; 12. Moving disk; 13. Two-way lead screw; 14. Slider; 15. Sleeve; 16. Rotating disk; 17. Second connecting post; 18. Locking block; 19. Second baffle; 20. Spring; 21. Movable rod; 22. First fixing post; 23. Knob; 24. Screw; 25. Second fixing post; 26. Groove. Detailed Implementation
[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figures 1-2 The utility model provides a kind of sample adjusting device for Raman spectrum tester, including first fixed plate 6, first fixed plate 6 outer wall one side is fixedly connected with placing table 7, and placing table 7 is used to place sample to be detected, and placing table 7 outer wall is provided with clamping assembly, and clamping assembly is used to be fixed clamping to sample, and clamping assembly includes clamping plate 8, and clamping plate 8 lower surface is slidably connected in placing table 7 outer wall, and clamping plate 8 lower surface is fixedly connected with first connecting column 11, and first connecting column 11 lower surface is fixedly connected with sliding block 14, and sliding block 14 inner wall is threadedly connected with bidirectional screw rod 13, and bidirectional screw rod 13 is used to move sliding block 14, and bidirectional screw rod 13 outer wall is threadedly connected with moving disc 12, and first fixed plate 6 inner wall is rotatably connected with connecting rod 10, and connecting rod 10 one end is fixedly connected with handle 9, and recess 26 is set in placing table 7 inside, and first connecting column 11 outer wall is slidably connected in recess 26 inner wall, and recess 26 is used to guide clamping plate 8, and rotating handle 9 can drive bidirectional screw rod 13 to rotate, to make sliding block 14 drive clamping plate 8 relatively move along bidirectional screw rod 13, and placing table 7 lower surface is fixedly connected with second connecting column 17, and second connecting column 17 lower surface is provided with rotating assembly, and rotating assembly is used to rotate clamping plate 8, and adjusting assembly is provided below second connecting column 17, and adjusting assembly is used to adjust the height of sample.
[0026] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application. Figure 1 、 Figure 3 and Figure 4, the rotating assembly includes a rotating disc 16, the upper surface of the rotating disc 16 is fixedly connected to the lower surface of the second connecting column 17, the outer wall of the rotating disc 16 is rotatably connected with the sleeve 15, the inside of the rotating disc 16 is provided with a spring 20, one end of the spring 20 is fixedly connected with the second baffle 19, one end of the second baffle 19 is fixedly connected with the clamping block 18, the clamping block 18 is pressed, the spring 20 is extruded, the clamping block 18 is pressed, and the rotating disc 16 can be rotated, when the angle needs to be adjusted, the adjusting assembly includes a movable rod 21, the upper surface of the movable rod 21 is fixedly connected to the lower surface of the rotating disc 16, the outer wall of the movable rod 21 is slidably connected with the second fixed column 25, the outer wall of the second fixed column 25 is fixedly connected with the first fixed column 22, the inner wall of the first fixed column 22 is threadedly connected with the screw 24, one end of the screw 24 is fixedly connected with the knob 23, and the screw 24 is slidably connected in the second fixed column 25, and the screw 24 is rotated by rotating the knob 23 to realize the fixation of the second fixed column 25, and the outer wall of the knob 23 is rotatably connected with the outer wall of the first fixed column 22, and the knob 23 is used to drive the screw 24 to rotate.
[0027] With reference to Figure 1 、 Figure 3 and Figure 4 , the outer wall of the movable rod 21 is slidably connected with the inner wall of the first fixed column 22, the movable rod 21 is used to drive the rotating disc 16 to move up and down, the lower surface of the second fixed column 25 is fixedly connected with the bottom plate 4, the lower surface of the bottom plate 4 is fixedly connected with the base 3, the base 3 is used to support the bottom plate 4, the outer wall of the clamping block 18 is slidably connected with the inner wall of the sleeve 15, the sleeve 15 is used to limit the clamping block 18, the outer wall of the base 3 is fixedly connected with the first baffle 2, the upper surface of the first baffle 2 is fixedly connected with the instrument 1, the lower surface of the instrument 1 is fixedly connected with the lens 5, and the lens 5 is used to detect the sample.
[0028] Working principle: when the user needs to detect the solid sample, first of all, the sample is placed above the placement table 7, then the handle 9 is shaken, the bidirectional screw rod 13 is rotated, at this time, the sliding block 14 drives the clamping plate 8 to relatively move along the screw rod, so that the effect of detecting different shapes of solid samples is realized, when the sample needs to be detected at different positions, first, the clamping block 18 is pressed, the spring 20 is extruded, at this time, the rotating disc 16 can be rotated to the appropriate angle, the clamping block 18 is released, the angle of the clamping plate 8 can be adjusted, then the knob 23 is twisted, the screw 24 moves, the movable rod 21 moves upwards to the appropriate height, the knob 23 is twisted, the screw 24 slides in the second fixed column 25, so that the screw 24 fixes the movable rod 21, so that the height of the clamping plate 8 can be adjusted, when the detection is completed, the sample needs to be taken out, the handle 9 is shaken, the sliding block 14 drives the clamping plate 8 to relatively move outward along the bidirectional screw rod 13, so that the clamping plate 8 is separated from the sample, and the sample can be taken out from the placement table 7.
[0029] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A sample conditioning device for a Raman spectrometer comprising a first fixed plate (6) characterised in that: The outer wall of the first fixed plate (6) is fixedly connected with a placing table (7), and the outer wall of the placing table (7) is provided with a clamping assembly. The clamping assembly comprises a clamping plate (8) which is slidably connected to the outer wall of the placing table (7), and the lower surface of the clamping plate (8) is fixedly connected with a first connecting column (11), and the lower surface of the first connecting column (11) is fixedly connected with a sliding block (14), and the inner wall of the sliding block (14) is threadedly connected with a bidirectional screw rod (13), and the outer wall of the bidirectional screw rod (13) is threadedly connected with a moving disc (12), and the inner wall of the first fixed plate (6) is rotatably connected with a connecting rod (10), and one end of the connecting rod (10) is fixedly connected with a crank handle (9), and the placing table (7) is internally provided with a groove (26), and the outer wall of the first connecting column (11) is slidably connected to the inner wall of the groove (26).
2. The sample conditioning device for a Raman spectrometer of claim 1, wherein: The lower surface of the placing table (7) is fixedly connected with a second connecting column (17), and the lower surface of the second connecting column (17) is provided with a rotating assembly, and the lower part of the second connecting column (17) is provided with an adjusting assembly.
3. The sample conditioning device for a Raman spectrometer of claim 2, wherein: The rotating assembly comprises a rotating disc (16) which is fixedly connected to the lower surface of the second connecting column (17), and the outer wall of the rotating disc (16) is rotatably connected with a clamping sleeve (15), and the interior of the rotating disc (16) is provided with a spring (20), and one end of the spring (20) is fixedly connected with a second baffle (19), and one end of the second baffle (19) is fixedly connected with a clamping block (18).
4. The sample conditioning device for a Raman spectrometer of claim 2, wherein: The adjusting assembly comprises a movable rod (21) which is fixedly connected to the lower surface of the rotating disc (16), and the outer wall of the movable rod (21) is slidably connected with a second fixed column (25), and the outer wall of the second fixed column (25) is fixedly connected with a first fixed column (22), and the inner wall of the first fixed column (22) is threadedly connected with a screw (24), and one end of the screw (24) is fixedly connected with a knob (23), and the screw (24) is slidably connected in the interior of the second fixed column (25).
5. The sample conditioning device for a Raman spectrometer of claim 4, wherein: The outer wall of the knob (23) is rotatably connected to the outer wall of the first fixed column (22), and the knob (23) is used for driving the screw (24) to rotate.
6. The sample conditioning device for a Raman spectrometer of claim 5, wherein: The outer wall of the movable rod (21) is slidably connected to the inner wall of the first fixed column (22), and the movable rod (21) is used for driving the rotating disc (16) to move up and down, and the lower surface of the second fixed column (25) is fixedly connected with a bottom plate (4), and the lower surface of the bottom plate (4) is fixedly connected with a base (3).
7. The sample conditioning device for a Raman spectrometer of claim 3, wherein: The outer wall of the clamping block (18) is slidably connected to the inner wall of the clamping sleeve (15), and the clamping sleeve (15) is used for limiting the clamping block (18).
8. The sample conditioning device for a Raman spectrometer of claim 6, wherein: The outer wall of the base (3) is fixedly connected with a first baffle (2), and the upper surface of the first baffle (2) is fixedly connected with an instrument (1), and the lower surface of the instrument (1) is fixedly connected with a lens (5).