Ultraviolet spectrophotometer with protection function

Abstract

This utility model provides a UV spectrophotometer with protective function, relating to the field of UV spectrophotometer technology. The utility model includes a spectrophotometer body, an operation panel on the top of the spectrophotometer body, a placement groove on the top of the spectrophotometer body, a connecting cover hinged to one side of the inner wall of the placement groove, and a protective device on the top of the spectrophotometer body. The protective device includes a support rod, which is fixedly connected to the top of the spectrophotometer body. A cylinder is fixedly connected to the surface of the support rod, a rubber sleeve is fitted onto the surface of the cylinder, a sponge sleeve is fixedly connected to the surface of the rubber sleeve, and a first damping rod is uniformly fixedly connected to the surface of the cylinder. When using the protective device, as the connecting cover rotates away from the top of the placement groove, the end of the connecting cover away from the placement groove presses against the surface of the cylinder, thus preventing excessive rotation of the connecting cover to a certain extent.

Description

Technical Field

[0001] This utility model relates to the field of ultraviolet spectrophotometer technology, and in particular to an ultraviolet spectrophotometer with protective function. Background Technology

[0002] The basic principle of an ultraviolet spectrophotometer is based on the selective absorption of light by substances. Different substances have their own unique absorption bands. When a spectrum passes through a solution, certain wavelengths of light will be absorbed by the solution. When using an ultraviolet spectrophotometer, first turn it on and let it warm up for about half an hour. This helps to stabilize the light source for detection. Then, select the appropriate wavelength according to the needs of different experiments and adjust the spectrophotometer to that wavelength. Next, perform baseline adjustment without a sample to make the absorbance zero. Then, calibrate the machine using a standard solution of known concentration. This facilitates the subsequent confirmation of the working curve. Then, put the sample solution into a cuvette and perform absorbance testing. Finally, clean the cuvette to avoid difficulty in cleaning after the solution dries.

[0003] The inventors discovered in their daily work that ultraviolet spectrophotometers still have at least the following problems: When using an ultraviolet spectrophotometer, it is necessary to first turn it on and preheat it for about half an hour to stabilize the light source for detection. Then, according to the needs of different experiments, a suitable wavelength is selected, and the spectrophotometer is adjusted to that wavelength. Then, baseline adjustment is performed without a sample to make the absorbance zero. Then, the machine is calibrated using a standard solution of known concentration, which facilitates the subsequent confirmation of the working curve. After that, the sample solution can be placed in a cuvette for absorbance testing. Finally, the cuvette is cleaned to avoid difficulty in cleaning after the solution dries. However, in actual use, because the connecting cap and the spectrophotometer body are only hinged at one end, the connecting cap may be damaged due to excessive rotation after prolonged use. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a UV spectrophotometer with protective functions.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a UV spectrophotometer with protective function, comprising a photometer body, an operation panel provided on the top of the photometer body, a placement groove provided on the top of the photometer body, a connecting cover hinged to one side of the inner wall of the placement groove, a protective device provided on the top of the photometer body, the protective device comprising a support rod, the support rod being fixedly connected to the top of the photometer body, and a cylinder being fixedly connected to the surface of the support rod.

[0006] The effect achieved by the above components is that when the protective device is used, as the connecting cover rotates away from the top of the placement groove, the end of the connecting cover away from the placement groove is pressed against the surface of the cylinder, which can prevent the connecting cover from rotating too much to a certain extent.

[0007] Preferably, a rubber sleeve is fitted over the surface of the cylinder, and a sponge sleeve is fixedly connected to the surface of the rubber sleeve.

[0008] The effect achieved by the above components is that when the connecting cover is close to the surface of the cylinder, the connecting cover is pressed against one side of the rubber sleeve and the sponge sleeve. Because the rubber and sponge will deform to a certain extent, they can play a certain buffering role.

[0009] Preferably, a first damping rod is uniformly and fixedly connected to the surface of the cylinder, the end of the first damping rod away from the cylinder is fixedly connected to the inner wall of the rubber sleeve, and a first spring is sleeved on the surface of the first damping rod.

[0010] The effect achieved by the above components is as follows: the first spring presses the inner wall of the rubber sleeve away from the cylinder, and when the connecting cover contacts the sponge sleeve, the first spring is compressed, which can play a certain buffering role.

[0011] Preferably, a rotating rod is rotatably inserted into the top of the photometer body, and a rotating plate is fixedly connected to the top of the rotating rod. The rotating plate is located on the side of the connecting cover away from the placement groove.

[0012] The effect achieved by the above components is as follows: when the connecting cover is set at the top of the placement slot, the rotating plate is manually controlled to drive the rotating rod to rotate, so that the rotating plate is set on the side of the connecting cover away from the placement slot, thereby restricting the connecting cover to the top of the placement slot.

[0013] Preferably, a limiting groove is provided on the top of the rotating plate, and a rubber block is provided on the inner wall of the limiting groove. The rubber block and the connecting cover are fixedly connected to the side away from the placement groove.

[0014] The effect achieved by the above components is to squeeze the rubber block into the interior of the limiting groove, thereby restricting the rotating plate to the side of the connecting cover away from the placement groove.

[0015] Preferably, a rubber strip is provided on the top of one side of the placement groove, and the rubber strip is provided on the side of the connecting cover near the placement groove.

[0016] The effect achieved by the above components is that when the connecting cover is placed on top of the placement slot, the rubber strip can play a certain buffering role, preventing the connecting cover from directly hitting the top of the placement slot.

[0017] Preferably, a storage groove is evenly provided on the top of one side of the placement groove, and a sliding strip is slidably connected to the inner wall of the storage groove. The top of the sliding strip and the side of the rubber strip away from the connecting cover are fixedly connected.

[0018] The effect achieved by the above components is to control the sliding bar to slide into the inside of the storage slot, so that the sliding bar and rubber strip can slide into the inside of the storage slot, thereby allowing the connecting cover to fit tightly against the top of the placement slot.

[0019] Preferably, a second damping rod is fixedly connected to the bottom of the inner wall of the storage groove, the top of the second damping rod is fixedly connected to the bottom of the sliding bar, a second spring is sleeved on the surface of the second damping rod, one end of the second spring is fixedly connected to the bottom of the inner wall of the storage groove, and the end of the second spring near the sliding bar is fixedly connected to the bottom of the sliding bar.

[0020] The effect achieved by the above components is as follows: by pressing the sliding strip away from the photometer body through the second spring, the rubber strip is pressed tightly against one side of the connecting cover, and the second spring is compressed to a certain extent, which can play a certain buffering role.

[0021] In this invention, by setting a protective device, when the connecting cover rotates away from the top of the placement groove, the end of the connecting cover away from the placement groove is pressed against the surface of the cylinder, which can prevent the connecting cover from rotating too much to a certain extent. Attached Figure Description

[0022] Figure 1 A three-dimensional structural diagram of an ultraviolet spectrophotometer with protective function is provided for this utility model; Figure 2 A three-dimensional structural diagram of the novel sponge sleeve proposed in this utility model is provided; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 A three-dimensional structural diagram of the novel rotating block proposed in this utility model is provided.

[0023] Legend: 1. Photometer body; 2. Operation panel; 3. Placement slot; 4. Connecting cover; 5. Protective device; 501. Support rod; 502. Cylinder; 503. Rubber sleeve; 504. Sponge sleeve; 505. First damping rod; 506. First spring; 507. Rotating rod; 508. Rotating plate; 509. Limiting slot; 510. Rubber block; 511. Storage slot; 512. Second damping rod; 513. Second spring; 514. Sliding bar; 515. Rubber strip. Detailed Implementation

[0024] Example 1, such as Figure 1-4 As shown, a UV spectrophotometer with protective function has an operation panel 2 on the top of the spectrophotometer body 1, a placement groove 3 on the top of the spectrophotometer body 1, a connecting cover 4 hinged to one side of the inner wall of the placement groove 3, and a protective device 5 on the top of the spectrophotometer body 1. When using the UV spectrophotometer, first turn it on and preheat it for about half an hour to facilitate the stable detection of the light source of the instrument. Then, select the appropriate wavelength according to the needs of different experiments, and adjust the spectrophotometer to that wavelength. Then, perform baseline adjustment without a sample to make the absorbance zero. Then, use a standard solution of known concentration to calibrate the machine to facilitate the subsequent confirmation of the working curve. Then, put the sample solution into the cuvette for absorbance testing. Finally, clean the cuvette to avoid difficulty in cleaning after the solution dries.

[0025] Reference Figures 2 to 4The protective device 5 includes a support rod 501, which is fixedly connected to the top of the photometer body 1. A cylinder 502 is fixedly connected to the surface of the support rod 501. When the protective device 5 is used, as the connecting cover 4 rotates away from the top of the placement groove 3, the end of the connecting cover 4 away from the placement groove 3 is pressed against the surface of the cylinder 502. This can, to a certain extent, prevent the connecting cover 4 from rotating too much. A rubber sleeve 503 is fitted onto the surface of the cylinder 502, and a sponge sleeve 504 is fixedly connected to the surface of the rubber sleeve 503. When the connecting cover 4 approaches the surface of the cylinder 502, the connecting cover 4 is pressed against one side of the rubber sleeve 503 and the sponge sleeve 504. Because the rubber and sponge will deform to a certain extent, this can provide a certain degree of protection. For buffering effect, a first damping rod 505 is uniformly fixedly connected to the surface of the cylinder 502. The end of the first damping rod 505 away from the cylinder 502 is fixedly connected to the inner wall of the rubber sleeve 503. A first spring 506 is sleeved on the surface of the first damping rod 505. The first spring 506 presses the inner wall of the rubber sleeve 503 away from the cylinder 502. When the connecting cover 4 contacts the sponge sleeve 504, the first spring 506 is compressed, which can play a certain buffering role. A rotating rod 507 is rotatably inserted into the top of the photometer body 1. A rotating plate 508 is fixedly connected to the top of the rotating rod 507. The rotating plate 508 is located on the side of the connecting cover 4 away from the placement groove 3. When the connecting cover 4 is placed on the top of the placement groove 3, it can be manually controlled. The rotating plate 508 drives the rotating rod 507 to rotate, thus positioning the rotating plate 508 on the side of the connecting cover 4 away from the placement groove 3, thereby confining the connecting cover 4 to the top of the placement groove 3. A limiting groove 509 is formed at the top of the rotating plate 508, and a rubber block 510 is provided on the inner wall of the limiting groove 509. The rubber block 510 is fixedly connected to the side of the connecting cover 4 away from the placement groove 3, pressing the rubber block 510 into the limiting groove 509. This confines the rotating plate 508 to the side of the connecting cover 4 away from the placement groove 3. A rubber strip 515 is provided at the top of one side of the placement groove 3, positioned on the side of the connecting cover 4 close to the placement groove 3. When the connecting cover 4 is positioned at the top of the placement groove 3, the rubber strip 515 can... To provide a certain degree of cushioning, the connecting cover 4 is prevented from directly impacting the top of the placement groove 3. A storage groove 511 is evenly distributed on the top of one side of the placement groove 3. A sliding strip 514 is slidably connected to the inner wall of the storage groove 511. The top of the sliding strip 514 and the rubber strip 515 are fixedly connected to the side away from the connecting cover 4, controlling the sliding strip 514 to slide into the storage groove 511. This allows the sliding strip 514 and the rubber strip 515 to slide into the storage groove 511, thus ensuring the connecting cover 4 fits tightly against the top of the placement groove 3. A second damping rod 512 is fixedly connected to the bottom of the inner wall of the storage groove 511. The top of the second damping rod 512 is fixedly connected to the bottom of the sliding strip 514. A second spring 513 is sleeved on the surface of the second damping rod 512.One end of the second spring 513 is fixedly connected to the bottom of the inner wall of the storage groove 511, and the end of the second spring 513 near the sliding strip 514 is fixedly connected to the bottom of the sliding strip 514. By pressing the sliding strip 514 away from the photometer body 1 through the second spring 513, the rubber strip 515 is pressed tightly against one side of the connecting cover 4, and the second spring 513 is compressed to a certain extent, thus providing a certain cushioning effect.

[0026] Working principle: When using a UV spectrophotometer, first, preheat the machine for about half an hour to stabilize the light source for detection. Then, select the appropriate wavelength according to the needs of different experiments and adjust the spectrophotometer to that wavelength. Next, perform baseline adjustment without a sample to make the absorbance zero. Then, calibrate the machine using a standard solution of known concentration to facilitate subsequent confirmation of the working curve. Then, place the sample solution into a cuvette for absorbance testing. Finally, clean the cuvette to prevent difficulty in cleaning after the solution dries. When using the protective device 5, when the connecting cap 4 rotates away from the top of the placement tank 3, the end of the connecting cap 4 away from the placement tank 3 is pressed against the surface of the cylinder 502. When the connecting cap 4 is close to the surface of the cylinder 502, the connecting cap 4 is pressed against one side of the rubber sleeve 503 and the sponge sleeve 504. Because the rubber and sponge will react to a certain extent... The deformation is caused by the first spring 506 pressing the inner wall of the rubber sleeve 503 away from the cylinder 502. When the connecting cover 4 contacts the sponge sleeve 504, the first spring 506 is compressed, which can play a certain buffering role and prevent the connecting cover 4 from rotating too much. When the connecting cover 4 is placed on top of the placement groove 3, the rubber strip 515 can play a certain buffering role to prevent the connecting cover 4 from directly hitting the top of the placement groove 3. The sliding strip 514 is controlled to slide into the inside of the storage groove 511, so that the sliding strip 514 and the rubber strip 515 can slide into the inside of the storage groove 511, and thus the connecting cover 4 can be tightly attached to the top of the placement groove 3. The second spring 513 presses the sliding strip 514 away from the photometer body 1, so that the rubber strip 515 is tightly attached to one side of the connecting cover 4, and the second spring 513 is compressed to a certain extent, which can play a certain buffering role.

[0027] It should be noted that all damping rods in this case are telescopic dampers, which can absorb energy during the extension and retraction process.

Claims

1. A UV spectrophotometer with protective function, comprising a spectrophotometer body (1), characterized in that: The top of the photometer body (1) is provided with an operation panel (2), the top of the photometer body (1) is provided with a placement groove (3), a connecting cover (4) is hinged to one side of the inner wall of the placement groove (3), the top of the photometer body (1) is provided with a protective device (5), the protective device (5) includes a support rod (501), the support rod (501) is fixedly connected to the top of the photometer body (1), and a cylinder (502) is fixedly connected to the surface of the support rod (501).

2. The ultraviolet spectrophotometer with protective function according to claim 1, characterized in that: A rubber sleeve (503) is fitted on the surface of the cylinder (502), and a sponge sleeve (504) is fixedly connected to the surface of the rubber sleeve (503).

3. The ultraviolet spectrophotometer with protective function according to claim 1, characterized in that: A first damping rod (505) is uniformly fixedly connected to the surface of the cylinder (502). The end of the first damping rod (505) away from the cylinder (502) is fixedly connected to the inner wall of the rubber sleeve (503). A first spring (506) is sleeved on the surface of the first damping rod (505).

4. The ultraviolet spectrophotometer with protective function according to claim 1, characterized in that: A rotating rod (507) is rotatably inserted into the top of the photometer body (1), and a rotating plate (508) is fixedly connected to the top of the rotating rod (507). The rotating plate (508) is located on the side of the connecting cover (4) away from the placement groove (3).

5. A UV spectrophotometer with protective function according to claim 4, characterized in that: The top of the rotating plate (508) has a limiting groove (509), and the inner wall of the limiting groove (509) is provided with a rubber block (510). The rubber block (510) and the connecting cover (4) are fixedly connected to the side away from the placement groove (3).

6. The ultraviolet spectrophotometer with protective function according to claim 1, characterized in that: A rubber strip (515) is provided on the top of one side of the placement groove (3), and the rubber strip (515) is provided on the side of the connecting cover (4) near the placement groove (3).

7. A UV spectrophotometer with protective function according to claim 1, characterized in that: The top of one side of the placement groove (3) is evenly provided with a storage groove (511), and a sliding strip (514) is slidably connected to the inner wall of the storage groove (511). The top of the sliding strip (514) and the rubber strip (515) are fixedly connected to the side away from the connecting cover (4).

8. A UV spectrophotometer with protective function according to claim 7, characterized in that: A second damping rod (512) is fixedly connected to the bottom of the inner wall of the storage groove (511). The top of the second damping rod (512) is fixedly connected to the bottom of the sliding bar (514). A second spring (513) is sleeved on the surface of the second damping rod (512). One end of the second spring (513) is fixedly connected to the bottom of the inner wall of the storage groove (511). The end of the second spring (513) near the sliding bar (514) is fixedly connected to the bottom of the sliding bar (514).

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