Adjustable exit slit positioner

Abstract

The utility model relates to the technical field of spectrometers, in particular to an adjustable outlet slit positioner which comprises a spectrometer, an installation assembly is arranged on one side of the spectrometer, a slit assembly is arranged on one side of the installation assembly, a dustproof assembly is arranged on one side of the slit assembly, and a bidirectional threaded lead screw is driven to rotate through a rotating disc. The bidirectional threaded lead screw drives the first baffle and the second baffle to move oppositely along the first sliding rod, then the distance between the first baffle and the second baffle is changed, the slit is shielded through the first baffle and the second baffle, the luminous flux entering the spectrograph can be controlled, and therefore the situation that a detector is damaged by too strong optical signals is avoided; and the measurement result of the spectrum is optimized.

Description

Technical Field

[0001] This utility model relates to the field of spectrometer technology, and in particular to an adjustable outlet slit positioner. Background Technology

[0002] The slit is another key component in a spectrometer. It is usually a narrow, elongated slit with adjustable width. The main function of the slit is to limit the light flux entering the spectrometer, thereby improving the spectral resolution and signal-to-noise ratio.

[0003] The slit width of most traditional spectrometers is not adjustable, which makes it impossible to control the light flux entering the spectrometer. This can cause excessive light signals to damage the detector and affect the spectral measurement results. Utility Model Content

[0004] Given that the slit width of most existing spectrometers cannot be adjusted, thus failing to control the light flux entering the spectrometer, resulting in excessively strong light signals damaging the detector and affecting the spectral measurement results, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide an adjustable exit slit positioner, which solves the problem that the slit width of most existing spectrometers cannot be adjusted, thus failing to control the light flux entering the spectrometer, causing excessive light signals to damage the detector and affecting the spectral measurement results.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: an adjustable outlet slit positioner, including a spectrometer, a mounting component on one side of the spectrometer, a slit component on one side of the mounting component, and a dustproof component on one side of the slit component;

[0007] The slit assembly includes a slit chamber with a slit. A bidirectional threaded screw is provided inside the slit chamber, with one end of the bidirectional threaded screw extending to the outside of the slit chamber. A turntable is provided at the extended end of the bidirectional threaded screw. A first baffle and a second baffle are provided on the turntable. A sliding rod is provided inside the slit chamber. The first baffle and the second baffle are slidably connected to the sliding rod. A U-shaped groove is provided on one side of the slit chamber.

[0008] In a preferred embodiment of the adjustable outlet slit positioner of this utility model, the slit chamber has a cavity, a slide rod is disposed inside the cavity, a first baffle and a second baffle are disposed inside the cavity, and a bidirectional threaded screw is rotatably connected to the slit chamber.

[0009] As a preferred scheme of the adjustable outlet slit positioner, the dustproof assembly comprises dustproof glass, a sealing ring is arranged between the dustproof glass and the back-shaped groove, a top plate is arranged on one side of the slit chamber, a motor is arranged on the top of the top plate, a threaded rod is transmissionally connected to the output end of the motor, a U-shaped movable plate is arranged on the threaded rod, a cleaning brush is arranged on one side of the U-shaped movable plate, one end of the cleaning brush is slidingly connected with a second sliding rod, and a quick release structure is arranged on the dustproof glass.

[0010] As a preferred scheme of the adjustable outlet slit positioner, the dustproof assembly comprises dustproof glass, a sealing ring is arranged between the dustproof glass and the back-shaped groove, a top plate is arranged on one side of the slit chamber, a motor is arranged on the top of the top plate, a threaded rod is transmissionally connected to the output end of the motor, a U-shaped movable plate is arranged on the threaded rod, a cleaning brush is arranged on one side of the U-shaped movable plate, one end of the cleaning brush is slidingly connected with a second sliding rod, and a quick release structure is arranged on the dustproof glass.

[0011] As a preferred scheme of the adjustable outlet slit positioner, the dustproof assembly comprises dustproof glass, a sealing ring is arranged between the dustproof glass and the back-shaped groove, a top plate is arranged on one side of the slit chamber, a motor is arranged on the top of the top plate, a threaded rod is transmissionally connected to the output end of the motor, a U-shaped movable plate is arranged on the threaded rod, a cleaning brush is arranged on one side of the U-shaped movable plate, one end of the cleaning brush is slidingly connected with a second sliding rod, and a quick release structure is arranged on the dustproof glass.

[0012] As a preferred scheme of the adjustable outlet slit positioner, the dustproof assembly comprises dustproof glass, a sealing ring is arranged between the dustproof glass and the back-shaped groove, a top plate is arranged on one side of the slit chamber, a motor is arranged on the top of the top plate, a threaded rod is transmissionally connected to the output end of the motor, a U-shaped movable plate is arranged on the threaded rod, a cleaning brush is arranged on one side of the U-shaped movable plate, one end of the cleaning brush is slidingly connected with a second sliding rod, and a quick release structure is arranged on the dustproof glass.

[0013] As a preferred scheme of the adjustable outlet slit positioner, the dustproof assembly comprises dustproof glass, a sealing ring is arranged between the dustproof glass and the back-shaped groove, a top plate is arranged on one side of the slit chamber, a motor is arranged on the top of the top plate, a threaded rod is transmissionally connected to the output end of the motor, a U-shaped movable plate is arranged on the threaded rod, a cleaning brush is arranged on one side of the U-shaped movable plate, one end of the cleaning brush is slidingly connected with a second sliding rod, and a quick release structure is arranged on the dustproof glass.

[0014] The utility model has the advantages of:

[0015] 1、The utility model discloses, through the rotation of the disc drive two -way screw rod, two -way screw rod drive first baffle and second baffle along the sliding rod one opposite movement, and then change the interval between first baffle and second baffle, through first baffle and second baffle to the slit for shielding, and then can control the light flux of entering the spectrometer, thereby avoid the damage of over -strong light signal to detector, and optimize the measurement result of spectrum.

[0016] 2. The utility model discloses a dustproof glass is carried out dust prevention to the slit, and the motor drives the threaded rod to rotate, and the threaded rod drives the U type movable plate to move along the slide rod no. 2, and the U type movable plate drives the cleaning brush to carry out the cleaning operation to the dustproof glass surface, reduces the influence of dust to the work of spectrometer, and the quick detach structure can quickly disassemble and replace the dustproof glass.

[0017] 3. The utility model discloses a L type block on the mounting sleeve is inserted into the insertion slot on the spectrometer, and the arc surface on the L type block will push the limiting block, and the limiting block moves away from the L type block, and then extrudes spring no. 1 and makes it produce the tension, after the L type block is inserted to the appropriate position, because the tension of spring no. 1 will push the limiting block and be stuck on the L type block, the L type block is limited, and then the slit assembly is installed and fixed, through the clamping of limiting block and L type block, the slit assembly is installed conveniently, saves the installation time, and improves the working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without the creative labor. Wherein:

[0019] Figure 1 It is the overall structure schematic diagram of the utility model of a kind of adjustable outlet slit positioner.

[0020] Figure 2 It is the sectional structure schematic diagram of the utility model of a kind of adjustable outlet slit positioner.

[0021] Figure 3 It is the slit assembly structure schematic diagram of the utility model of a kind of adjustable outlet slit positioner.

[0022] Figure 4 It is the dustproof component structure schematic diagram of the utility model of a kind of adjustable outlet slit positioner.

[0023] Figure 5 It is the sectional structure schematic diagram of the mounting assembly of the utility model of a kind of adjustable outlet slit positioner.

[0024] Explanations of reference numerals:

[0025] 1, spectrometer; 2, mounting assembly; 21, mounting sleeve; 22, L-shaped block; 23, arc surface; 24, insertion slot; 25, storage block; 26, sliding shaft; 27, limiting block; 28, spring one; 29, long plate; 3, slit assembly; 31, slit chamber; 32, slit; 33, cavity; 34, rotating disc; 35, bidirectional threaded screw rod; 36, first baffle; 37, second baffle; 38, sliding rod one; 39, back-shaped groove; 4, dustproof assembly; 41, dustproof glass; 42, sealing ring; 43, top plate; 44, motor; 45, threaded rod; 46, U-shaped movable plate; 47, cleaning brush; 48, sliding rod two; 49, quick release structure; 491, limiting plate; 492, bolt; 493, step plate; 494, spring two; 495, guide plate; 496, pull plate; 410, fixed plate. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the drawings of the specification.

[0027] Example 1

[0028] Reference Figures 1-3 For the first embodiment of the utility model, a adjustable outlet slit positioner is provided, this adjustable outlet slit positioner, including spectrometer 1, one side of spectrometer 1 is equipped with mounting assembly 2, one side of mounting assembly 2 is equipped with slit assembly 3, one side of slit assembly 3 is equipped with dustproof assembly 4;

[0029] Slit assembly 3 includes slit chamber 31, slit 32 is formed on slit chamber 31, bidirectional threaded screw rod 35 is arranged in the interior of slit chamber 31, the thread direction of the two ends of bidirectional threaded screw rod 35 is opposite, and one end of bidirectional threaded screw rod 35 extends to the outside of slit chamber 31, rotating disc 34 is arranged on the extending end of bidirectional threaded screw rod 35, first baffle 36 is arranged on rotating disc 34, second baffle 37 is arranged on rotating disc 34, sliding rod one 38 is arranged in the interior of slit chamber 31, first baffle 36 and second baffle 37 are respectively connected with sliding rod one 38 in sliding mode, back-shaped groove 39 is formed on one side of slit chamber 31.

[0030] Rotating disc 34 drives bidirectional threaded screw rod 35 to rotate, bidirectional threaded screw rod 35 drives first baffle 36 and second baffle 37 to move towards each other along sliding rod one 38, thereby changing the distance between first baffle 36 and second baffle 37, first baffle 36 and second baffle 37 shield slit 32, thereby controlling the light flux entering the spectrometer.

[0031] The cavity 33 is arranged in the slit chamber 31, the sliding rod one 38 is arranged in the cavity 33, the first baffle 36 and the second baffle 37 are arranged in the cavity 33, the bidirectional screw rod 35 is rotationally connected with the slit chamber 31, and the slit chamber 31 supports and assists in rotating the bidirectional screw rod 35.

[0032] During use, the staff rotates the rotating disc 34, the rotating disc 34 drives the bidirectional screw rod 35 to rotate, the bidirectional screw rod 35 drives the first baffle 36 and the second baffle 37 to move towards each other along the sliding rod one 38, thereby changing the distance between the first baffle 36 and the second baffle 37, the slit 32 is shielded by the first baffle 36 and the second baffle 37, thereby the light flux entering the spectrometer can be controlled, so that the damage of the detector caused by the too strong light signal is avoided, and the measurement result of the spectrum is optimized.

[0033] Embodiment 2

[0034] Refer to Figures 1-4 For the second embodiment of the utility model, which is different from the first embodiment, the dustproof assembly 4 comprises a dustproof glass 41, a sealing ring 42 is arranged between the dustproof glass 41 and the back-shaped groove 39, one side of the slit chamber 31 is provided with a top plate 43, the top plate 43 is provided with a motor 44 at the top, the motor 44 is transmissionally connected with a threaded rod 45 at the output end, the threaded rod 45 is provided with a U-shaped movable plate 46, the U-shaped movable plate 46 is provided with a cleaning brush 47 at one side, one end of the cleaning brush 47 is slidingly connected with a sliding rod two 48, and the dustproof glass 41 is provided with a quick release structure 49.

[0035] The dustproof glass 41 is used for dustproof of the slit 42, the motor 44 drives the threaded rod 45 to rotate, the threaded rod 45 drives the U-shaped movable plate 46 to move along the sliding rod two 48, the U-shaped movable plate 46 drives the cleaning brush 47 to clean the surface of the dustproof glass 41, and the influence of dust on the work of the spectrometer is reduced.

[0036] The slit chamber 31 is provided with a fixed plate 410 at one side, the threaded rod 45 is rotationally connected with the fixed plate 410, the sliding rod two 48 is arranged between the top plate 43 and the fixed plate 410, the fixed plate 410 supports and assists in rotating the threaded rod 45, and the top plate 43 and the fixed plate 410 support and fix the sliding rod two 48.

[0037] The quick release structure 49 comprises a limiting plate 491 arranged on one side of the slit chamber 31, a latch 492 arranged on the limiting plate 491 and penetrating the dustproof glass 41, a step plate 493 arranged on the latch 492, a spring 494 sleeved on the outer surface of the latch 492, a guide plate 495 arranged on one side of the slit chamber 31 and penetrated by the latch 492, the spring 494 being arranged between the limiting plate 491 and the guide plate 495, a pull plate 496 arranged at one end of the latch 492, the pull plate 496 being used to drive the latch 492 to move, the latch 492 driving the step plate 493 to press the spring 494, so that the spring 494 generates tension, and the dustproof glass 41 is convenient to disassemble and replace after the latch 492 is separated from the dustproof glass 41.

[0038] In use, the slit 42 is prevented from dust by the dustproof glass 41, the threaded rod 45 is driven to rotate by the motor 44, the U-shaped movable plate 46 is driven to move along the slide rod 48 by the threaded rod 45, the cleaning brush 47 is driven to clean the surface of the dustproof glass 41 by the U-shaped movable plate 46, the influence of dust on the work of the spectrometer is reduced, the pull plate 496 is pulled by the worker, the pull plate 496 drives the latch 492 to move, the latch 492 drives the step plate 493 to press the spring 494, so that the spring 494 generates tension, the latch 492 is driven to return to the initial position by the tension of the spring 494, and the dustproof glass 41 is convenient to disassemble and replace after the latch 492 is separated from the dustproof glass 41.

[0039] The remaining structure is the same as that of the first embodiment.

[0040] Embodiment 3

[0041] With reference to Figures 1-5 For the third embodiment of the utility model, the difference between the embodiment and the second embodiment is that the mounting assembly 2 comprises a mounting sleeve 21 arranged on the other side of the slit chamber 31, four L-shaped blocks 22 arranged on one side of the mounting sleeve 21, arc-shaped surfaces 23 arranged at one end of the L-shaped blocks 22, four plug-in grooves 24 arranged on one side of the spectrometer 1, four storage blocks 25 arranged on the two sides of the spectrometer 1 respectively, sliding shafts 26 arranged in the storage blocks 25, the sliding shafts 26 extending to the outside of the storage blocks 25, limiting blocks 27 arranged at one end of the sliding shafts 26, springs 28 sleeved on the outer surfaces of the sliding shafts 26, the springs 28 being arranged between the storage blocks 25 and the limiting blocks 27, and long plates 29 arranged at one end of the sliding shafts 26.

[0042] By inserting the L-shaped block 22 on the mounting sleeve 21 into the insertion slot 24 on the spectrometer 1, the arc surface 23 on the L-shaped block 22 will push the limiting block 27, the limiting block 27 moves away from the L-shaped block 22, and then extrudes the spring 28 to generate tension, after the L-shaped block 22 is inserted into the appropriate position, the tension of the spring 28 will push the limiting block 27 to be clamped on the L-shaped block 22, which limits the L-shaped block 22, and then installs and fixes the slit assembly 3.

[0043] The sliding shaft 26 is in sliding connection with the receiving block 25, the L-shaped block 22 is inserted into the insertion slot 24, and the insertion slot 24 facilitates quick installation of the slit assembly 3.

[0044] In use, by inserting the L-shaped block 22 on the mounting sleeve 21 into the insertion slot 24 on the spectrometer 1, the arc surface 23 on the L-shaped block 22 will push the limiting block 27, the limiting block 27 moves away from the L-shaped block 22, and then extrudes the spring 28 to generate tension, after the L-shaped block 22 is inserted into the appropriate position, the tension of the spring 28 will push the limiting block 27 to be clamped on the L-shaped block 22, which limits the L-shaped block 22, and then installs and fixes the slit assembly 3, through the clamping of the limiting block 27 and the L-shaped block 22, the slit assembly 3 is installed, which saves the installation time and improves the work efficiency.

[0045] The rest of the structure is the same as that of example 2.

[0046] It should be noted that the above examples are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application, which should be covered by the claims of the present application.

Claims

1. An adjustable outlet slit positioner comprising a spectrometer (1) characterised in that: Sides of the spectrometer (1) are provided with mounting assembly (2), one side of the mounting assembly (2) is provided with slit assembly (3), one side of the slit assembly (3) is provided with dustproof assembly (4); The slit assembly (3) includes a slit chamber (31), a slit (32) is formed on the slit chamber (31), a bidirectional threaded rod (35) is arranged inside the slit chamber (31), and one end of the bidirectional threaded rod (35) extends to the outside of the slit chamber (31); a rotating disc (34) is arranged on the extending end of the bidirectional threaded rod (35); a first baffle (36) is arranged on the rotating disc (34); a second baffle (37) is arranged on the rotating disc (34); a sliding rod (38) is arranged inside the slit chamber (31); the first baffle (36) and the second baffle (37) are respectively connected with the sliding rod (38) in a sliding mode; and a back-shaped groove (39) is formed on one side of the slit chamber (31).

2. An adjustable exit slit positioner according to claim 1, wherein: A cavity (33) is formed inside the slit chamber (31), the sliding rod (38) is arranged inside the cavity (33), the first baffle (36) and the second baffle (37) are arranged inside the cavity (33), and the bidirectional threaded rod (35) is connected with the slit chamber (31) in a rotating mode.

3. An adjustable exit slit positioner according to claim 1, wherein: The dustproof assembly (4) includes a dustproof glass (41), a sealing ring (42) is arranged between the dustproof glass (41) and the back-shaped groove (39), a top plate (43) is arranged on one side of the slit chamber (31), a motor (44) is arranged on the top of the top plate (43), a threaded rod (45) is connected with the output end of the motor (44) in a transmission mode, a U-shaped movable plate (46) is arranged on the threaded rod (45), a cleaning brush (47) is arranged on one side of the U-shaped movable plate (46), one end of the cleaning brush (47) is connected with a sliding rod (48) in a sliding mode, and a quick release structure (49) is arranged on the dustproof glass (41).

4. An adjustable outlet slit positioner according to claim 3, wherein: Symmetrical fixed plates (410) are arranged on one side of the slit chamber (31), the threaded rod (45) is connected with the fixed plates (410) in a rotating mode, and the sliding rod (48) is arranged between the top plate (43) and the fixed plates (410).

5. An adjustable outlet slit positioner according to claim 4, wherein: The quick release structure (49) includes a limiting plate (491), the limiting plate (491) is arranged on one side of the slit chamber (31), a bolt (492) is arranged on the limiting plate (491), the bolt (492) penetrates through the dustproof glass (41), a stepped plate (493) is arranged on the bolt (492), a spring (494) is arranged on the outer surface of the bolt (492), a guide plate (495) is arranged on one side of the slit chamber (31), the bolt (492) penetrates through the guide plate (495), the spring (494) is arranged between the limiting plate (491) and the guide plate (495), and a pull plate (496) is arranged on one end of the bolt (492).

6. An adjustable exit slit positioner according to claim 1, wherein: The installation assembly (2) includes an installation sleeve (21) arranged on the other side of the slit chamber (31), four L-shaped blocks (22) arranged on one side of the installation sleeve (21), arc-shaped surfaces (23) arranged on one end of the L-shaped blocks (22), four insertion grooves (24) arranged on one side of the spectrometer (1), four receiving blocks (25) arranged on both sides of the spectrometer (1), sliding shafts (26) arranged in the receiving blocks (25), the sliding shafts (26) extending to the outside of the receiving blocks (25), limiting blocks (27) arranged on one end of the sliding shafts (26), spring I (28) arranged on the outer surface of the sliding shafts (26), the spring I (28) arranged between the receiving blocks (25) and the limiting blocks (27), and long plates (29) arranged on one end of the sliding shafts (26).

7. An adjustable outlet slit positioner according to claim 6, wherein: The sliding shafts (26) are slidably connected with the receiving blocks (25), and the L-shaped blocks (22) are inserted into the insertion grooves (24).

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