Fourier spectrometer convenient to adjust

Abstract

The utility model relates to the technical field of spectrometers, and discloses a Fourier spectrometer convenient to adjust, which comprises an instrument shell and a detector main body, sliding grooves are formed in the lower parts of the inner walls of the front end and the rear end of the instrument shell, and sliding rods are fixedly connected between the inner walls of the two sides of the two sliding grooves. The outer walls of the two sliding rods are both slidably sleeved with sliding blocks, a base is fixedly connected between the two sliding blocks, a lifting threaded rod is rotationally connected to the center of the upper end of the base, and the outer wall of the lifting threaded rod is sleeved with a lifting sleeve in a threaded mode. According to the device, the first rotary knob is rotated, the lifting sleeve and the positioning telescopic rod are arranged to enable the movable seat to ascend and descend, so that the height of the object carrying vessel can be adjusted, the second rotary knob is rotated to enable the movable lead screw to rotate, and the movable sliding block and the positioning sliding block are arranged to enable the object carrying seat to move horizontally; and therefore, the horizontal position of the carrying vessel can be adjusted.

Description

Technical Field

[0001] The utility model relates to the technical field of spectrometers, in particular to a Fourier spectrometer which is convenient to adjust. Background Art

[0002] Fourier spectrometer is a common spectral analysis instrument. It is an infrared spectrometer developed based on the principle of Fourier transform of infrared light after interference. It can perform quantitative and qualitative analysis on samples at the same time, so Fourier infrared spectrometer can be widely used.

[0003] The existing related Fourier spectrometers cannot conveniently adjust the sample to be tested on the carrier in the horizontal and vertical directions during detection. The operator often needs to spend more time and energy to adjust the position of the sample to put it in the best measurement position, which is not convenient to use. Therefore, those skilled in the art provide a Fourier spectrometer that is easy to adjust to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present utility model is to solve the shortcomings existing in the prior art, and to propose a Fourier spectrometer which is easy to adjust. By turning the first knob, the movable seat can be lifted and lowered via the provided lifting sleeve and positioning telescopic rod, so that the height of the sample dish can be adjusted. By turning the second knob to rotate the movable screw rod, the sample seat can be horizontally moved via the provided moving slider and positioning slider, thereby realizing the adjustment of the horizontal position of the sample dish, so as to ensure that the sample can be correctly detected by the detector body and obtain accurate spectral data.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a Fourier spectrometer that is easy to adjust, comprising an instrument housing and a detector body, wherein sliding grooves are provided at the lower parts of the inner walls of the front and rear ends of the instrument housing, sliding rods are fixedly connected between the inner walls on both sides of the two sliding grooves, sliding blocks are slidably sleeved on the outer walls of the two sliding rods, a base is fixedly connected between the two sliding blocks, a lifting threaded rod is rotatably connected at the center of the upper end of the base, a lifting sleeve is threadedly sleeved on the outer wall of the lifting threaded rod, a moving seat is fixedly connected to the upper end of the lifting sleeve, a rotating groove is provided inside the moving seat, a rotating shaft is rotatably connected between the inner walls on both sides of the rotating groove, a first bevel gear is fixedly sleeved on the outer wall of the rotating shaft, and the lower end of the lifting threaded rod passes through the base to the rotating groove and is fixedly sleeved on the second bevel gear;

[0006] The upper end of the movable seat is provided with a movable groove near the front and rear, a movable screw is rotatably connected between the inner walls of both sides of one of the movable grooves, and a positioning rod is fixedly connected to the inner walls of both sides of the other movable groove, a movable slider is threadedly sleeved on the outer wall of the movable screw, and a positioning slider is slidably sleeved on the outer wall of the positioning rod, a loading seat is fixedly connected to the upper ends of the movable slider and the positioning slider, and a loading dish is clamped on the upper end of the loading seat, a passing groove is provided on one side of the instrument housing, a side plate is fixedly connected to one side of the base, the side plate is movably arranged in the passing groove, and an adjustment groove is provided on the lower side of one side of the side plate;

[0007] Through the above technical scheme, by controlling the rotation of the rotating shaft and the first bevel gear, the second bevel gear and the lifting threaded rod are rotated, and the movable seat can be lifted and moved via the provided lifting sleeve and the positioning telescopic rod, so that the height of the loading plate can be adjusted, and by controlling the rotation of the movable screw rod, the loading seat can be horizontally moved via the provided moving slider and the positioning slider, so that the horizontal position of the loading plate can be adjusted.

[0008] Further, both sides of the interior of the object carrier are provided with pressing grooves, and pressing plates are movably arranged inside the two pressing grooves, and a plurality of return springs are fixedly connected between the two pressing plates and the opposite side of the corresponding pressing grooves, and locking blocks are fixedly connected to the upper part of the opposite side of the two pressing plates, and a groove is provided at the lower end of the object carrier, and locking grooves are provided on both sides of the inner wall of the groove, and the two locking blocks are clamped in the corresponding locking grooves;

[0009] Through the above technical solution, by providing a pressing plate, a return spring, a locking block and a locking groove, the object carrier can be quickly clamped and positioned, so as to facilitate subsequent precise position adjustment and ensure that the object carrier is placed stably.

[0010] Furthermore, a limit seat is fixedly connected to the upper part of one side of the instrument housing, a movable groove is opened at the lower end of the limit seat, a spring block is fixedly connected to the inner wall of the upper end of the movable groove, and a clamping seat is fixedly connected to the upper part of one side of the side plate, and the spring block is clamped in the clamping seat;

[0011] Through the above technical solution, by providing a spring block and a holder, the side plate can be effectively restricted to prevent the base from moving and affecting the detection result.

[0012] Furthermore, a pressing rod is fixedly connected to the lower part of the opposite side of the two pressing plates, and the two pressing rods penetrate the object carrier and are movably arranged in the corresponding pressing grooves;

[0013] Through the above technical solution, by providing a pressing rod, it is convenient for an operator to press the pressing rod to move the pressing plate and the locking block.

[0014] Further, the first bevel gear is meshed with the second bevel gear;

[0015] Through the above technical solution, by meshing the first bevel gear with the second bevel gear, when the rotating shaft rotates with the first bevel gear, the second bevel gear and the lifting threaded rod can be rotated.

[0016] Furthermore, one end of the rotating shaft passes through the instrument housing and is fixedly connected to a first knob;

[0017] Through the above technical solution, by providing the first knob, it is convenient for the operator to rotate the rotating shaft by turning the first knob.

[0018] Furthermore, one end of the movable screw rod passes through the movable seat and is fixedly connected to a second knob, and the second knob is movably arranged in the adjustment slot;

[0019] Through the above technical solution, by providing a second knob, it is convenient for the operator to rotate the movable screw rod by turning the second knob, and by providing an adjustment slot, the second knob can still be effectively rotated when adjusting the height of the movable seat.

[0020] Furthermore, a plurality of positioning telescopic rods are fixedly connected between the opposite ends of the movable seat and the base;

[0021] Through the above technical solution, by providing a positioning telescopic rod, the lifting and lowering movement of the movable seat is made more stable.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a conveniently adjustable Fourier spectrometer. By turning the first knob, the rotating shaft and the first bevel gear are rotated, and then the second bevel gear and the lifting threaded rod are rotated. The movable seat can be lifted and moved via the provided lifting sleeve and the positioning telescopic rod, so that the height of the sample dish can be adjusted. At the same time, the movable screw can be rotated by turning the second knob, and the sample seat can be horizontally moved via the provided moving slider and the positioning slider, so that the horizontal position of the sample dish can be adjusted to ensure that the sample can be correctly detected by the detector body and accurate spectral data can be obtained, thereby improving the flexibility and applicability of the experiment, being suitable for samples of different types and sizes, and being easy to operate and simple and easy to adjust.

[0024] 2. The utility model proposes a conveniently adjustable Fourier spectrometer. By pressing a pressing rod to adjust the position of a locking block, the sample dish can be placed on the sample seat. Then, by releasing the pressing rod and using a return spring, the locking block can be ejected and inserted into a locking groove, so that the sample dish is clamped and positioned on the sample seat, so that precise position adjustment can be performed later and the stable placement of the sample dish can be ensured. Subsequently, the side plate closing device is moved, and the side plate is effectively restricted by a spring block to prevent the base from moving and affecting the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is an axonometric diagram of a Fourier spectrometer that is convenient to adjust proposed by the utility model;

[0026] Figure 2 A schematic front cross-sectional view of a Fourier spectrometer that is convenient to adjust proposed by the utility model;

[0027] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at the center A;

[0028] Figure 4 for Figure 2 A schematic diagram of the structure enlarged at B in the middle;

[0029] Figure 5 for Figure 2 A schematic diagram of the structure enlarged at C in the middle;

[0030] Figure 6 A top-down schematic diagram of a Fourier spectrometer that is convenient to adjust proposed by the utility model;

[0031] Figure 7 This is an axonometric schematic diagram of a movable base of a Fourier spectrometer that is convenient to adjust proposed by the utility model;

[0032] Figure 8 The utility model is a side view schematic diagram of a Fourier spectrometer which is convenient to adjust.

[0033] Legend:

[0034] 1. Instrument housing; 2. Detector body; 3. Sliding groove; 4. Sliding rod; 5. Sliding block; 6. Base; 7. Lifting threaded rod; 8. Lifting sleeve; 9. Moving seat; 10. Rotating groove; 11. Rotating shaft; 12. First bevel gear; 13. Second bevel gear; 14. First knob; 15. Moving groove; 16. Moving screw rod; 17. Positioning rod; 18. Moving slider; 19. Positioning slider; 20. Second knob; 21. Loading seat; 22. Loading dish; 23. Pressing groove; 24. Pressing plate; 25. Return spring; 26. Locking block; 27. Groove; 28. Locking groove; 29. ​​Pressing rod; 30. Side plate; 31. Passing groove; 32. Adjusting groove; 33. Limiting seat; 34. Movable groove; 35. Spring block; 36. Card seat; 37. Positioning telescopic rod. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] Reference Figure 1-8 A specific implementation mode provided by the utility model is as follows: a Fourier spectrometer which is convenient to adjust comprises an instrument housing 1 and a detector body 2. Sliding grooves 3 are provided at the lower inner walls of the front and rear ends of the instrument housing 1. Sliding rods 4 are fixedly connected between the inner walls on both sides of the two sliding grooves 3. Sliding blocks 5 are slidably sleeved on the outer walls of the two sliding rods 4. A base 6 is fixedly connected between the two sliding blocks 5. A lifting threaded rod 7 is rotatably connected at the center of the upper end of the base 6. A lifting sleeve 8 is threadedly sleeved on the outer wall of the lifting threaded rod 7. A moving seat 9 is fixedly connected to the upper end of the lifting sleeve 8. A rotating groove 10 is provided inside the moving seat 9. A rotating shaft 11 is rotatably connected between the inner walls on both sides of the rotating groove 10. One end of the rotating shaft 11 passes through the instrument housing 1 and is fixed A first knob 14 is connected, and by providing the first knob 14, it is convenient for the operator to rotate the rotating shaft 11 by turning the first knob 14. The outer wall of the rotating shaft 11 is fixedly sleeved with a first bevel gear 12. The lower end of the lifting threaded rod 7 passes through the base 6 to the rotating groove 10 and is fixedly sleeved with a second bevel gear 13. The first bevel gear 12 and the second bevel gear 13 are meshed. By meshing the first bevel gear 12 and the second bevel gear 13, when the rotating shaft 11 rotates with the first bevel gear 12, the second bevel gear 13 and the lifting threaded rod 7 can be rotated. A plurality of positioning telescopic rods 37 are fixedly connected between the moving seat 9 and the opposite end of the base 6. By providing the positioning telescopic rods 37, the lifting and lowering movement of the moving seat 9 is more stable.

[0037] A moving groove 15 is provided at the front and rear ends of the upper end of the moving seat 9, a moving screw 16 is rotatably connected between the inner walls on both sides of one of the moving grooves 15, and a positioning rod 17 is fixedly connected to the inner walls on both sides of the other moving groove 15, a moving slider 18 is threadedly sleeved on the outer wall of the moving screw 16, and a positioning slider 19 is slidably sleeved on the outer wall of the positioning rod 17, and the upper ends of the moving slider 18 and the positioning slider 19 are fixedly connected to a carrier seat 21, and a carrier dish 22 is clamped on the upper end of the carrier seat 21, a passage groove 31 is provided on one side of the instrument housing 1, a side plate 30 is fixedly connected to one side of the base 6, and the side plate 30 is movably arranged in the passage groove 31, and an adjustment groove 32 is provided at the lower part of one side of the side plate 30, and one end of the moving screw 16 passes through the moving seat 9 and is fixed A second knob 20 is fixedly connected, and the second knob 20 is movably arranged in the adjustment slot 32. By providing the second knob 20, it is convenient for the operator to rotate the movable screw rod 16 by turning the second knob 20. By providing the adjustment slot 32, when the height of the movable seat 9 is adjusted, the second knob 20 can still rotate effectively. A limited seat 33 is fixedly connected to the upper part of one side of the instrument housing 1, and a movable slot 34 is provided at the lower end of the limited seat 33. A spring block 35 is fixedly connected to the inner wall of the upper end of the movable slot 34. A holder 36 is fixedly connected to the upper part of one side of the side plate 30, and the spring block 35 is engaged in the holder 36. By providing the spring block 35 and the holder 36, the side plate 30 can be effectively restricted to prevent the base 6 from moving and affecting the detection result.

[0038] The inside of the object carrier 21 is provided with pressing grooves 23 on both sides, and pressing plates 24 are movably arranged inside the two pressing grooves 23. A plurality of return springs 25 are fixedly connected between the two pressing plates 24 and the opposite side of the corresponding pressing grooves 23. Locking blocks 26 are fixedly connected to the upper part of the opposite side of the two pressing plates 24. A groove 27 is provided at the lower end of the object carrier 22. Locking grooves 28 are provided on both sides of the inner wall of the groove 27. The two locking blocks 26 are engaged in the corresponding locking grooves 28. The pressing plate 24, the return spring 25, the locking block 26 and the locking groove 28 can quickly clamp and position the sample dish 22, so as to facilitate subsequent precise position adjustment and ensure that the sample dish 22 is stably placed. The two pressing plates 24 are fixedly connected to the lower part of the opposite sides thereof with pressing rods 29. The two pressing rods 29 penetrate the sample seat 21 and are movably arranged in the corresponding pressing grooves 23. The pressing rods 29 are provided to facilitate the operator to press the pressing rods 29 to move the pressing plates 24 and the locking block 26.

[0039] Working principle: When in use, first press the spring block 35 into the movable groove 34, so that the carrier 21 can be pulled out through the side plate 30, and then the position of the locking block 26 can be adjusted by pressing the pressing rod 29, so that the carrier 22 can be placed on the carrier 21, and then the pressing rod 29 is released and the locking block 26 is ejected and stuck in the locking groove 28 through the provided return spring 25, so that the carrier 22 is clamped and positioned on the carrier 21, so that the subsequent precise position adjustment can be performed, and the carrier 22 can be placed stably, and then the side plate 30 is moved to close the device, and the side plate 30 is effectively restricted by the provided spring block 35 to prevent the base 6 from moving and affecting the detection result, and then the first The knob 14 rotates the rotating shaft 11 and the first bevel gear 12, thereby rotating the second bevel gear 13 and the lifting threaded rod 7. The lifting sleeve 8 and the positioning telescopic rod 37 allow the movable seat 9 to be lifted and moved, thereby adjusting the height of the specimen dish 22. At the same time, the movable screw 16 can be rotated by rotating the second knob 20, and the specimen dish 21 can be horizontally moved via the movable slider 18 and the positioning slider 19, thereby adjusting the horizontal position of the specimen dish 22, thereby ensuring that the sample can be correctly detected by the detector body 2 and accurate spectral data can be obtained, thereby improving the flexibility and applicability of the experiment and being suitable for samples of different types and sizes.

[0040] Finally, it should be noted that the above is only a preferred specific implementation method 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 specific implementation methods, those skilled in the art can still modify the technical solutions recorded in the aforementioned specific implementation methods, 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 Fourier spectrometer with convenient adjustment, comprising an instrument housing (1) and a detector body (2), characterized in that: The front and rear end inner walls of the instrument housing (1) are provided with sliding grooves (3) at the lower part, the inner walls on both sides of the two sliding grooves (3) are fixedly connected with sliding rods (4), the outer walls of the two sliding rods (4) are slidably sleeved with sliding blocks (5), a base (6) is fixedly connected between the two sliding blocks (5), a lifting threaded rod (7) is rotatably connected at the center of the upper end of the base (6), a lifting sleeve (8) is threadedly sleeved on the outer wall of the lifting threaded rod (7), a moving seat (9) is fixedly connected at the upper end of the lifting sleeve (8), a rotating groove (10) is provided inside the moving seat (9), a rotating shaft (11) is rotatably connected between the inner walls on both sides of the rotating groove (10), a first bevel gear (12) is fixedly sleeved on the outer wall of the rotating shaft (11), and the lower end of the lifting threaded rod (7) passes through the base (6) to the rotating groove (10) and is fixedly sleeved with a second bevel gear (13); The upper end of the movable seat (9) is provided with movable grooves (15) near the front and rear ends, a movable screw rod (16) is rotatably connected between the inner walls on both sides of one of the movable grooves (15), and a positioning rod (17) is fixedly connected to the inner walls on both sides of the other movable groove (15), a movable slider (18) is threadedly sleeved on the outer wall of the movable screw rod (16), and a positioning slider (19) is slidably sleeved on the outer wall of the positioning rod (17), the upper ends of the movable slider (18) and the positioning slider (19) are fixedly connected to a carrier seat (21), and a carrier dish (22) is clamped and arranged on the upper end of the carrier seat (21), a passage groove (31) is provided on one side of the instrument housing (1), and a side plate (30) is fixedly connected to one side of the base (6), and the side plate (30) is movably arranged in the passage groove (31), and an adjustment groove (32) is provided on the lower side of one side of the side plate (30).

2. The Fourier spectrometer according to claim 1, characterized in that: Both sides of the interior of the object carrier (21) are provided with pressing grooves (23), and pressing plates (24) are movably arranged inside the two pressing grooves (23). A plurality of return springs (25) are fixedly connected between the two pressing plates (24) and the opposite side of the corresponding pressing grooves (23). Locking blocks (26) are fixedly connected to the upper part of the opposite side of the two pressing plates (24). A groove (27) is provided at the lower end of the object carrier (22), and locking grooves (28) are provided on both sides of the inner wall of the groove (27), and the two locking blocks (26) are clamped in the corresponding locking grooves (28).

3. The conveniently adjustable Fourier spectrometer according to claim 1, characterized in that: A limiting seat (33) is fixedly connected to the upper part of one side of the instrument housing (1); a movable groove (34) is provided at the lower end of the limiting seat (33); a spring block (35) is fixedly connected to the inner wall of the upper end of the movable groove (34); a clamping seat (36) is fixedly connected to the upper part of one side of the side plate (30); and the spring block (35) is clamped in the clamping seat (36).

4. The conveniently adjustable Fourier spectrometer according to claim 2, characterized in that: A pressing rod (29) is fixedly connected to the lower part of the opposite side of the two pressing plates (24), and the two pressing rods (29) penetrate the object carrier (21) and are movably arranged in the corresponding pressing grooves (23).

5. The conveniently adjustable Fourier spectrometer according to claim 1, characterized in that: The first bevel gear (12) and the second bevel gear (13) are meshed.

6. The conveniently adjustable Fourier spectrometer according to claim 1, characterized in that: One end of the rotating shaft (11) passes through the instrument housing (1) and is fixedly connected to a first knob (14).

7. The conveniently adjustable Fourier spectrometer according to claim 1, characterized in that: One end of the movable screw rod (16) passes through the movable seat (9) and is fixedly connected to a second knob (20), and the second knob (20) is movably arranged in the adjustment slot (32).

8. The conveniently adjustable Fourier spectrometer according to claim 1, characterized in that: A plurality of positioning telescopic rods (37) are fixedly connected between the movable seat (9) and the opposite end of the base (6).

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