Spectrometer test fixture

Abstract

The utility model relates to the technical field of detection jigs, in particular to a spectrometer test jig which comprises a base, a detection table and a detection unit are arranged at the top of the base, the detection table comprises a connecting part and a rotating part, a clamping structure is arranged at the top of the rotating part, and the clamping structure is used for clamping a sample to be detected; wherein an adjusting assembly is arranged between the rotating part and the connecting part, the adjusting assembly is used for fixing the rotating part so as to adjust the detection angle of a sample to be detected, on one hand, a positioning piece abuts against a positioning groove under the action of a pressure spring and slides, and angle adjustment can be more accurately controlled through a pause feeling generated by abutting and sliding; on the other hand, by fixing the unlocking piece, the positioning piece can abut against the interior of the positioning groove by compressing the compression spring, the effect of fixing the rotating part is achieved, and in addition, the metal elastic piece is matched with the elastic roller so that to-be-tested samples with different widths can be clamped and fixed within a certain range.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection fixture technical field especially relates to a spectrometer test fixture. BACKGROUND

[0002] The spectrometer is a kind of instrument for measuring and analyzing spectrum, it can decompose light source into different wavelength spectrum, to analyze the composition, structure, concentration etc.

[0003] Through parallel light tube and observation eyepiece, the measured piece can be measured and analyzed, to prevent the measured piece from appearing deviation or shaking during detection process, it needs to be fixed by fixture, such as prior art Chinese patent announcement number "CN212963951U" discloses a spectrometer test fixture, including bottom plate and base plate, bottom plate one end two sides are fixedly installed with slide bar and rotatably installed with screw rod, slide bar and screw rod are respectively slidably sleeved and threadedly sleeved with the two sides of one end of base plate, the other side of base plate is rotatably installed with test rotary disc, and the scale is engraved on the base plate on the outside of test rotary disc along the circumference.The utility model can adjust the angle of optical product, can fully analyze the optical performance of optical product, improves the application range and practicality of spectrometer test fixture.

[0004] In specific operation, the detection angle of measured piece is adjusted by the mode of rotating test rotary disc, but there is no fixing or locking structure between test rotary disc and base plate, so there is still the situation of rotation or deviation of measured piece in detection process caused by accidental operation. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the above-mentioned shortcomings that there is no fixing or locking structure between test rotary disc and base plate in prior art, and provides a spectrometer test fixture.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] Design a kind of spectrometer test fixture, including base, detection table and detection unit are provided on the top of the base, the detection table includes connecting part and rotating part, the top of the rotating part is equipped with clamping structure, and the clamping structure is used to clamp measured sample;

[0008] Wherein, adjusting assembly is equipped between the rotating part and the connecting part, and the adjusting assembly is used to fix the rotating part to adjust the detection angle of measured sample.

[0009] Further, the clamping structure comprises a metal elastic sheet, the metal elastic sheet is fixedly connected at the top of the rotating part, the metal elastic sheet is bent upwards at both ends to form a triangular structure, and a clearance groove is further arranged at the middle of the both ends.

[0010] Further, the clamping structure comprises a metal elastic sheet, the metal elastic sheet is fixedly connected at the top of the rotating part, the metal elastic sheet is bent upwards at both ends to form a triangular structure, and a clearance groove is further arranged at the middle of the both ends.

[0011] Further, the adjusting assembly comprises a positioning groove, the connecting part is in a cylindrical structure, a plurality of positioning grooves are distributed on the inner wall in a circumferential direction, the rotating part is in a T-shaped structure in a cross section and is rotationally connected to the inside of the connecting part, and a positioning piece is arranged at the bottom of the inner wall of the rotating part.

[0012] Further, one end of the positioning piece is provided with a conical part, the other end of the positioning piece is provided with a pair of extension parts, the conical part is in abutment and sliding with the positioning groove, the pair of extension parts are in sliding connection with the rotating part, a compression spring is further arranged on the periphery of one of the extension parts, and a through hole is arranged at the bottom of the rotating part for avoiding the compression spring.

[0013] Further, the top of the rotating part is in sliding connection with an unlocking piece through a sliding groove and a limiting part, the top of the unlocking piece is provided with a protruding structure which is extended at both sides of one end, the limiting part is provided with a pair of elastic parts at both sides of the inner wall, and the pair of elastic parts are extended outwards and are in abutment and sliding with the protruding structures at both sides.

[0014] Further, the bottom of the unlocking piece extends to the inside of the rotating part, and the bottom of the unlocking piece is in sliding connection with the pair of extension parts through a straight groove, wherein the both ends of the compression spring are in abutment with the conical part and the bottom of the unlocking piece respectively.

[0015] The utility model provides a kind of testing fixture of spectrometer, and beneficial effect is that: the utility model can be fixed between rotating part and connecting part by adjusting assembly, on the one hand, positioning piece is in abutment and sliding with positioning groove under the action of compression spring, and the pause generated by abutment and sliding can more accurately control the adjustment of angle, on the other hand, by the way of fixing unlocking piece, positioning piece is tightly arranged in positioning groove by the way of compressing compression spring, the effect of fixed rotating part is realized, and the way of unlocking and fixing unlocking piece is convenient and fast, angle adjustment is facilitated, in addition, metal elastic sheet cooperates with elastic roller to clamp and fix different width of sample to be measured within a certain range, and the structure is simple and practical. ACCURACY

[0016] Figure 1 It is the structural schematic diagram of the utility model.

[0017] Figure 2 It is the sectional view of the adjusting assembly of the utility model;

[0018] Figure 3 It is the structural schematic view of the clamping structure of the utility model;

[0019] Figure 4 It is Figure 3 The enlarged structural schematic view of A area of

[0020] Figure 5 It is the structural schematic view of the unlocking piece of the utility model.

[0021] In the figure: 1, base; 2, detection table; 21, connecting part; 22, rotating part; 3, detection unit; 4, clamping structure; 41, metal spring piece; 42, let-position slot; 43, elastic roller; 44, annular part; 5, adjusting assembly; 51, positioning slot; 52, positioning piece; 521, conical part; 522, extension part; 53, compression spring; 54, limiting part; 541, elastic part; 55, unlocking piece; 551, protruding structure; 552, straight slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Referring to Figures 1-5 A spectrometer test fixture, including base 1, be provided with detection table 2 and detection unit 3 on the top of base 1, detection table 2 includes connecting part 21 and rotating part 22, the top of rotating part 22 is equipped with clamping structure 4, and clamping structure 4 is used to clamp the sample to be measured;

[0024] Wherein, adjusting assembly 5 is equipped between rotating part 22 and connecting part 21, and adjusting assembly 5 is used to fix rotating part 22 to adjust the detection angle of the sample to be measured.

[0025] Further, clamping structure 4 includes metal spring piece 41, metal spring piece 41 is fixedly connected at the top of rotating part 22, metal spring piece 41 is bent upwards to present a triangular structure at both ends, and let-position slot 42 is further equipped at the middle of both ends.

[0026] Further, it further includes elastic roller 43, the both ends of metal spring piece 41 are outwardly rolled to form annular part 44, elastic roller 43 is arranged in let-position slot 42, and rotating shaft is arranged at both ends of elastic roller 43, which is rotatably connected in annular part 44.

[0027] In some embodiments, the metal spring 41 is an elastic element made of metal, which can be deformed under external force and return to its original shape after the external force is removed. The specific structure can refer to the triangular elastic clip in the prior art.

[0028] Specifically, the elastic roller 43 is preferably made of materials with flexible texture such as rubber and silica gel. The two sides of the elastic roller 43 are in contact with and slide on the sample to be measured, preventing scratching the sample to be measured. The fastener is a screw.

[0029] More specifically, the adjusting assembly 5 includes positioning grooves 51, the connecting part 21 is in a cylindrical structure, and a plurality of positioning grooves 51 are distributed on the inner wall circumference, the rotating part 22 is in a T-shaped structure in cross section and is rotationally connected inside the connecting part 21, and a positioning member 52 is arranged at the bottom of the inner wall of the rotating part 22.

[0030] In general, one end of the positioning member 52 is provided with a tapered portion 521, and the other end has a pair of extension portions 522. The tapered portion 521 is in sliding contact with the positioning groove 51 and can be tightly engaged with the positioning groove 51. A pair of extension portions 522 are in sliding connection with the rotating part 22, and a compression spring 53 is further sleeved on the outer periphery of one of the extension portions 522. The bottom of the rotating part 22 is provided with a through hole for avoiding the compression spring 53.

[0031] In addition, the top of the rotating part 22 is slidably connected with an unlocking member 55 through a sliding groove and a limiting part 54. The top of the unlocking member 55 extends to form a protruding structure 551 on both sides. The limiting part 54 has a pair of elastic parts 541 on both sides of the inner wall. The pair of elastic parts 541 extend outward and are in sliding contact with the protruding structures 551 on both sides.

[0032] Finally, the bottom of the unlocking member 55 extends to the inside of the rotating part 22, and the bottom of the unlocking member 55 is slidably connected with the pair of extension portions 522 through a straight groove 552. The two ends of the compression spring 53 are in contact with the tapered portion 521 and the bottom of the unlocking member 55, respectively. Of course, in other embodiments, the two ends of the compression spring 53 can also be fixedly connected with the tapered portion 521 and the unlocking member 55 for push-pull movement.

[0033] It needs to be supplemented that the limiting part 54 is in U-shaped structure, and is preferably made of material with deformation capacity such as rubber and plastic, wherein the two side protruding structures 551 are in arc-shaped structure, the unlocking piece 55 is fixed by the two side elastic parts 541 abutting against the protruding structures 551, the unlocking piece 55 moves to the side of the compression spring 53 and compresses the compression spring 53, the elastic action of the compression spring 53 drives the conical part 521 to abut against the positioning groove 51, the function of fixing the rotating part 22 is realized, further, the two side elastic parts 541 are actuated to unlock the unlocking piece 55;

[0034] Specifically, when the compression spring 53 is in a relaxed state, the conical part 521 slides by abutting against the positioning groove 51 through the two side inclined surfaces, the stop feeling generated by sliding better controls the adjustment of the angle, on the contrary, after the compression spring 53 is compressed, the positioning piece 52 is driven to abut against the positioning groove 51.

[0035] Working mode; when working, the sample to be measured is clamped between the two ends of the metal elastic sheet 41 along the two side elastic rollers 43, and the elastic roller 43 rotates when the sample to be measured abuts against the elastic roller 43, the sample to be measured is clamped by the metal elastic sheet 41 at the same time, and the sample to be measured is prevented from being scratched;

[0036] Then, the sample to be measured is detected by the detection unit 3, and the detection angle of the sample to be measured can also be adjusted by the adjusting assembly 5.

[0037] After the two side elastic parts 541 are actuated to be separated from the protruding structures 551, the unlocking piece 55 moves away from the positioning piece 52 under the elastic action of the compression spring 53, when the rotating part 22 rotates, the inclined surfaces on both sides of the conical part 521 abut against and slide with the positioning groove 51.

[0038] After the angle is determined, the unlocking piece 55 is moved, the two side protruding structures 551 abut against and slide with the two side elastic parts 541, the extension part at the bottom of the unlocking piece 55 compresses the compression spring 53, and the conical part 521 is driven to abut against in the positioning groove 51 by the elastic action of the compression spring 53.

[0039] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A spectrometer testing fixture, comprising a base (1), characterized in that: A detection stage (2) and a detection unit (3) are provided on the top of the base (1). The detection stage (2) includes a connecting part (21) and a rotating part (22). The top of the rotating part (22) is provided with a clamping structure (4), which is used to clamp the sample to be tested. An adjustment component (5) is provided between the rotating part (22) and the connecting part (21). The adjustment component (5) is used to fix the rotating part (22) to adjust the detection angle of the sample to be tested.

2. The spectrometer testing fixture according to claim 1, characterized in that: The clamping structure (4) includes a metal spring (41), which is fixedly connected to the top of the rotating part (22). The two ends of the metal spring (41) are bent upward into a triangular structure, and a relief groove (42) is provided at the middle of the two ends.

3. A spectrometer testing fixture according to claim 2, characterized in that: It also includes an elastic roller (43), the two ends of the metal spring sheet (41) are rolled outward to form an annular portion (44), the elastic roller (43) is disposed in the relief groove (42), and a rotating shaft is provided at both ends of the elastic roller (43), which is rotatably connected in the annular portion (44).

4. A spectrometer testing fixture according to claim 1, characterized in that: The adjustment component (5) includes a positioning groove (51), the connecting part (21) has a cylindrical structure and a plurality of positioning grooves (51) are distributed around the inner wall, the rotating part (22) has a T-shaped cross-section and is rotatably connected inside the connecting part (21), and a positioning element (52) is provided at the bottom of the inner wall of the rotating part (22).

5. A spectrometer testing fixture according to claim 4, characterized in that: The positioning member (52) has a tapered part (521) at one end and a pair of extensions (522) at the other end. The tapered part (521) slides against the positioning groove (51) and can also be pressed against the positioning groove (51). The pair of extensions (522) are slidably connected to the rotating part (22), and a compression spring (53) is sleeved around one of the extensions (522). The bottom of the rotating part (22) has a through hole for avoiding the compression spring (53).

6. A spectrometer testing fixture according to claim 5, characterized in that: The top of the rotating part (22) is slidably connected to an unlocking member (55) via a groove and a limiting part (54). The top of the unlocking member (55) extends to both sides at one end to form a protruding structure (551). The limiting part (54) has a pair of elastic parts (541) on both sides of the inner wall. The pair of elastic parts (541) extend outward and abut against and slide against the protruding structures (551) on both sides.

7. A spectrometer testing fixture according to claim 6, characterized in that: The bottom of the unlocking member (55) extends into the interior of the rotating part (22), and the bottom of the unlocking member (55) is slidably connected to a pair of extensions (522) through a straight groove (552). The two ends of the compression spring (53) abut against the bottom of the tapered part (521) and the unlocking member (55), respectively.

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