An external excitation light source holder for a fluorescence spectrophotometer

Abstract

The utility model discloses an external excitation light source support for fluorescence spectrophotometer, including the fixed frame, the fixed frame one side wall is opened the slide groove symmetrically, every the slide groove is connected with the limit block in, the limit block one side wall is equipped with the draw -bar through the fixed frame, have the advantage that: the utility model discloses through the slide groove symmetrically opened on the fixed frame one side wall, when needing to install the fixed plate on the fixed frame, the limit block is retracted to the slide groove by pulling the draw -bar at the placement groove, then the fixed plate is placed is placed in the placement groove, again pull the draw -bar at the clamping groove to make the limit block retract to the slide groove, the convenient fixed plate card block is inserted into the clamping groove, when card block is completely inserted into the clamping groove, two limit blocks will automatically be clamped into the limiting groove, through the cooperation of clamping groove and card block and limit block and limiting groove, can make the fixed plate quick fixed on the fixed frame, improve the convenience of fixed frame and fixed plate installation.

Description

Technical Field

[0001] This utility model relates to the field of support technology, specifically to an external excitation light source support for a fluorescence spectrophotometer. Background Technology

[0002] The external excitation light source bracket for fluorescence spectrophotometers is mainly used to solve the problem of mismatch between the excitation light wavelength of the original instrument's light source and the experimental requirements, and to achieve illumination of a specific wavelength by connecting other external light sources.

[0003] Existing external excitation light source brackets for fluorescence spectrophotometers, while eliminating the need to set up a working platform each time a laser source is needed by directly fixing the external light source fiber to the fixing plate, are not convenient to install because the bracket and the fixing plate are fixed with nuts. Therefore, there is an urgent need for a new type of external excitation light source bracket for fluorescence spectrophotometers to solve these problems. Utility Model Content

[0004] (a) Technical problems to be solved The technical problem to be solved by this utility model is to provide an external excitation light source bracket for a fluorescence spectrophotometer that improves the ease of installation, in light of the current state of the technology.

[0005] (II) Technical Solution This utility model is achieved through the following technical solution: This utility model proposes an external excitation light source support for a fluorescence spectrophotometer, including a fixed frame. A sliding groove is symmetrically formed on one side wall of the fixed frame, and a limiting block is connected to each sliding groove. A pull rod is provided through one side wall of the limiting block and a spring is fixed between the sliding groove and the limiting block. A placement groove is formed on the fixed frame adjacent to one of the sliding grooves, and a fixed plate is connected to the placement groove. A locking block is fixed to one end of the fixed plate. A locking groove is formed on one side wall of the fixed frame corresponding to the locking block, and limiting grooves are formed on both side walls of the fixed plate corresponding to the two limiting blocks.

[0006] Furthermore, a cuvette slot mounting bracket is installed between the fixing frame and the fixing plate. The top of the cuvette slot mounting bracket is provided with a cuvette slot. An external light source optical fiber is connected to the fixing plate. A fixing member is installed at the light-emitting end of the external light source optical fiber. Mounting holes are provided at both ends of the fixing frame.

[0007] Furthermore, the slide groove is formed on one side wall of the fixed frame, the slide groove is slidably connected to the limiting block, the limiting block is bolted to the tie rod, and the tie rod is slidably connected to the fixed frame.

[0008] Furthermore, both the fixing frame and the fixing plate are bolted to the cuvette slot mounting bracket, the mounting holes are formed on the fixing frame, and the cuvette slot has a light-passing hole corresponding to the external light source optical fiber.

[0009] Furthermore, the spring is sleeved on the pull rod, and the limiting block and the sliding groove are both connected to the spring bolt.

[0010] Furthermore, the cuvette tank is connected to an inlet pipe and an outlet pipe for circulating water bath temperature control on its side wall. A magnetic stirring device for controlling the vibration of the cuvette solution in the cuvette tank is provided below the cuvette tank mounting frame. The magnetic stirring device is connected to the cuvette tank mounting frame by a stirring control line.

[0011] Furthermore, the placement groove is formed on the fixing frame, the placement groove is slidably connected to the fixing plate, the fixing plate is bonded to the card block, and the card slot is formed on one side wall of the fixing frame.

[0012] Furthermore, the card slot is inserted into the card block, the limiting groove is formed on one side wall of the fixing plate, and the limiting block is slidably connected to the limiting groove.

[0013] (III) Beneficial Effects Compared with the prior art, this utility model has the following advantages: This invention utilizes symmetrically designed sliding grooves on one side wall of the mounting frame. When the mounting plate needs to be installed on the mounting frame, pulling the lever at the placement groove retracts the limiting block into the sliding groove. Then, the mounting plate is placed into the placement groove, and pulling the lever at the slot retracts the limiting block into the sliding groove, facilitating the insertion of the locking block on the mounting plate into the slot. Once the locking block is fully inserted into the slot, the two limiting blocks automatically engage with the limiting groove. Through the cooperation of the slot and the locking block, as well as the limiting block and the limiting groove, the mounting plate can be quickly fixed on the mounting frame, improving the ease of installation of the mounting frame and the mounting plate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of an external excitation light source support for a fluorescence spectrophotometer according to the present invention; Figure 2 This is a top sectional view of the fixing frame and fixing plate in the external excitation light source support for a fluorescence spectrophotometer described in this utility model; Figure 3 This is a top sectional view of the fixing frame and fixing plate in the external excitation light source support for a fluorescence spectrophotometer described in this utility model when disassembled.

[0015] The annotations in the attached figures are explained as follows: 1. Fixing frame; 2. Slide groove; 3. Limiting block; 4. Pull rod; 5. Spring; 6. Placement groove; 7. Fixing plate; 8. Locking block; 9. Locking groove; 10. Limiting groove; 11. Cuvette slot mounting bracket; 12. Cuvette slot; 13. External light source fiber optic; 14. Fixing component; 15. Mounting hole. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0017] like Figures 1-3 As shown in this embodiment, an external excitation light source support for a fluorescence spectrophotometer includes a fixed frame 1. Symmetrical grooves 2 are formed on one side wall of the fixed frame 1. Each groove 2 is connected to a limiting block 3. A pull rod 4 is installed through one side wall of the limiting block 3, allowing the limiting block 3 to more securely hold the pull rod 4. The pull rod 4 facilitates the movement of the limiting block 3 within the groove 2 by the operator. A spring 5 is fixed between the groove 2 and the limiting block 3. A placement groove 6 is formed on the fixed frame 1 adjacent to one of the grooves 2, allowing the limiting block 3 and the groove 2 to more securely hold the spring 5. Loosening the pull rod 4 allows the spring 5 to automatically reset the limit block 3. A fixing plate 7 is connected to the placement slot 6, and a locking block 8 is fixed to one end of the fixing plate 7. The placement slot 6 makes it easier to place the fixing plate 7 on the fixing frame 1. The fixing plate 7 can more securely fix the locking block 8. A locking groove 9 is opened on one side wall of the fixing frame 1 corresponding to the locking block 8. Limiting grooves 10 are opened on both sides of the fixing plate 7 corresponding to the two limit blocks 3. The locking groove 9 and the locking block 8 can better lock one end of the fixing plate 7. The locking block 3 and the limiting groove 10 can make the fixing plate 7 stably limited in the locking groove 9 and the placement slot 6.

[0018] like Figures 1-3As shown, in this embodiment, a cuvette tray mounting bracket 11 is installed between the fixing frame 1 and the fixing plate 7. A cuvette tray 12 is formed at the top of the mounting bracket 11. An external light source fiber optic cable 13 is connected to the fixing plate 7. A fixing member 14 is installed at the light-emitting end of the external light source fiber optic cable 13. Mounting holes 15 are formed at both ends of the fixing frame 1. The fixing frame 1 and the fixing plate 7 can more securely fix the cuvette tray mounting bracket 11, allowing the cuvette tray 12 to better hold the cuvette solution. The fixing member 14 facilitates fixing the external light source fiber optic cable 13 to the fixing plate 7. A sliding groove 2 is formed on one side wall of the fixing frame 1. The sliding groove 2 is slidably connected to a limiting block 3. The limiting block 3 is bolted to a pull rod 4. The pull rod 4 is slidably connected to the fixing frame 1. Both the fixing frame 1 and the fixing plate 7 are bolted to the cuvette tray mounting bracket 11. Mounting holes 15 are formed on the fixing frame 1. The cuvette tray 12 and the external light source fiber optic cable 13 are respectively positioned at their corresponding locations. The mounting hole 15 provides a light-transmitting hole, which facilitates the mounting frame 1 to be positioned at a higher height on the worktable. The light-transmitting hole also facilitates the connection of the external light source fiber optic 13 to the cuvette tank 12. The spring 5 is sleeved on the pull rod 4, and the limiting block 3 and the sliding groove 2 are bolted to the spring 5. The cuvette tank 12 has an inlet pipe and an outlet pipe connected to the side wall for circulating water bath temperature control. A magnetic stirring device is provided below the cuvette tank mounting frame 11 to control the vibration of the cuvette solution in the cuvette tank 12. The magnetic stirring device is connected to the cuvette tank mounting frame 11 by a stirring control line. The magnetic stirring device can perform magnetic stirring of the cuvette solution. The placement groove 6 is formed on the mounting frame 1 and is slidably connected to the fixing plate 7. The fixing plate 7 is bonded to the locking block 8. The locking groove 9 is formed on one side wall of the mounting frame 1 and is inserted into the locking block 8. The limiting groove 10 is formed on one side wall of the fixing plate 7, and the limiting block 3 is slidably connected to the limiting groove 10.

[0019] The specific implementation process of this embodiment is as follows: In use, firstly, the mounting bracket 1 is raised to the height of the workbench through the mounting hole 15. By symmetrically opening the sliding groove 2 on one side wall of the mounting bracket 1, when it is necessary to install the mounting plate 7 on the mounting bracket 1, pull the pull rod 4 at the placement groove 6 to retract the limiting block 3 into the sliding groove 2. Then, place the mounting plate 7 into the placement groove 6, and then pull the pull rod 4 at the slot 9 to retract the limiting block 3 into the sliding groove 2, so that the locking block 8 on the mounting plate 7 can be inserted into the slot 9. When the locking block 8 is fully inserted into the slot 9, the two limiting blocks 3 will automatically lock into the limiting groove 10. Through the cooperation of the slot 9 and the locking block 8, and the limiting block 3 and the limiting groove 10, the mounting plate 7 can be quickly fixed on the mounting bracket 1, improving the convenience of installing the mounting bracket 1 and the mounting plate 7.

[0020] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A support for an external excitation light source in a fluorescence spectrophotometer, characterized in that: The device includes a fixed frame (1), on which symmetrical grooves (2) are provided on one side wall. Each groove (2) is connected to a limiting block (3). A pull rod (4) is provided through one side wall of the limiting block (3) through the fixed frame (1). A spring (5) is fixed between the groove (2) and the limiting block (3). A placement groove (6) is provided on the fixed frame (1) adjacent to one of the grooves (2). A fixed plate (7) is connected to the placement groove (6). A locking block (8) is fixed at one end of the fixed plate (7). A locking groove (9) is provided on one side wall of the fixed frame (1) corresponding to the locking block (8). Limiting grooves (10) are provided on both sides of the fixed plate (7) corresponding to the two limiting blocks (3).

2. The support for an external excitation light source in a fluorescence spectrophotometer according to claim 1, characterized in that: A cuvette slot mounting bracket (11) is installed between the fixing bracket (1) and the fixing plate (7). A cuvette slot (12) is opened at the top of the cuvette slot mounting bracket (11). An external light source fiber (13) is connected to the fixing plate (7). A fixing member (14) is installed at the light-emitting end of the external light source fiber (13). Mounting holes (15) are opened at both ends of the fixing bracket (1).

3. The support for an external excitation light source in a fluorescence spectrophotometer according to claim 1, characterized in that: The slide groove (2) is formed on one side wall of the fixed frame (1). The slide groove (2) is slidably connected to the limiting block (3). The limiting block (3) is bolted to the pull rod (4). The pull rod (4) is slidably connected to the fixed frame (1).

4. The support for an external excitation light source in a fluorescence spectrophotometer according to claim 2, characterized in that: The fixing frame (1) and the fixing plate (7) are both bolted to the cuvette slot mounting frame (11). The mounting hole (15) is formed on the fixing frame (1). The cuvette slot (12) is provided with a light-transmitting hole corresponding to the external light source fiber (13).

5. The external excitation light source holder for a fluorescence spectrophotometer according to claim 1, characterized in that: The spring (5) is sleeved on the pull rod (4), and the limiting block (3) and the slide groove (2) are both bolted to the spring (5).

6. The support for an external excitation light source in a fluorescence spectrophotometer according to claim 4, characterized in that: The cuvette tank (12) is connected to an inlet pipe and an outlet pipe for circulating water bath temperature control. A magnetic stirring device for controlling the vibration of the cuvette solution in the cuvette tank (12) is provided below the cuvette tank mounting frame (11). The magnetic stirring device is connected to the cuvette tank mounting frame (11) by a stirring control line.

7. The external excitation light source holder for a fluorescence spectrophotometer according to claim 1, characterized in that: The placement groove (6) is formed on the fixing frame (1), and the placement groove (6) is slidably connected to the fixing plate (7).

8. A support for an external excitation light source in a fluorescence spectrophotometer according to claim 7, characterized in that: The fixing plate (7) is bonded to the card block (8), and the card slot (9) is formed on one side wall of the fixing frame (1).

9. A support for an external excitation light source in a fluorescence spectrophotometer according to claim 1, characterized in that: The slot (9) is inserted into the block (8), the limiting groove (10) is formed on one side wall of the fixing plate (7), and the limiting block (3) is slidably connected to the limiting groove (10).

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