Test tube support for fluorospectro photometer

Abstract

The utility model discloses a test tube bracket for a fluorospectro photometer. The test tube bracket comprises a placing table and supporting legs, by adopting the adjusting screw rods and the test tube inner cylinder, in the actual use process, a worker can correspondingly rotate the multiple groups of adjusting screw rods on the surface of the placing table according to different types of multiple groups of test tubes used subsequently, and the adjusting screw rods can be driven to correspondingly rotate through the rotation of a knob, so that the operation is convenient, and the working efficiency is improved. The test tube inner cylinders can be moved up and down, the test tubes can be fully protected by the adjusted heights of the test tube inner cylinders and the test tube outer cylinders, damage caused by exposure of the test tubes is avoided, each group of test tube inner cylinders are independent individuals, so that the treatment of the test tube inner cylinders cannot influence the treatment of other test tube inner cylinders; meanwhile, different adjustment can be performed according to different test tubes, the practicability of the device is improved, and the device has the advantages of independent adjustment and small adjustment influence.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental supplies, in particular to a test tube support for a fluorescence spectrophotometer. Background Art

[0002] Atomic fluorescence spectrometry (AFS) is a spectral analysis technique proposed and developed in the mid-1960s. It is a combination and development of atomic absorption and atomic emission spectroscopy. It is an excellent trace analysis technique commonly used to detect the content of heavy metal elements in the environment. In the process of using an atomic fluorescence spectrophotometer for detection, many groups of samples need to be tested at one time, which requires a sample tube rack to place test tubes containing multiple samples.

[0003] The prior art publication number is CN210923476U, which discloses a sample tube rack for a fluorescence spectrophotometer. The rack comprises a base, housings symmetrically disposed on both sides of the upper end of the base, a lifting device disposed within the interior of the housing, a bracket connected to the upper end of the lifting device, the upper end of the bracket extending through the housing and positioned externally thereof, a support plate fixed to the top between the two brackets, a placement seat disposed between the two housings on the upper surface of the base, the upper surface of the placement seat having a plurality of grooves for placing test tubes, the interiors of the grooves each having a clamping device for clamping the test tubes, a plurality of through-holes disposed on the support plate corresponding to the grooves, a plurality of second springs disposed on the inner walls of both sides of the through-holes, the other ends of the second springs being connected to a second clamping plate. The sample tube rack provided by the utility model is not only adjustable according to the height of the test tubes but also suitable for test tubes of different diameters, resulting in a good performance.

[0004] However, the above patent still has certain disadvantages when used: although it can adapt to the placement operations of different test tubes by adjusting the height of the support plate, adjusting the support plate will cause multiple groups of through holes on its surface to move to the same height, which causes the device to only be able to fix test tubes of the same type and cannot be used for test tubes of different types at the same time, reducing the practicality of the device. Moreover, when the test tubes are fixed, the person needs to insert his fingers into the through holes to remove them. The operation is more troublesome, and it is easy for the fingers to slip or the fingers are too thick to be inserted into them, causing the test tubes to be unable to be removed smoothly, reducing the overall convenience of removal and thus affecting the use effect of the device.

[0005] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0006] (1) Technical problems solved

[0007] In view of the shortcomings of the existing technology, the utility model provides a test tube holder for a fluorescence spectrophotometer, which has the advantages of convenient test tube removal, individual adjustment, and small adjustment impact, thereby solving the problems in the above-mentioned background technology.

[0008] (2) Technical solution

[0009] In order to achieve the advantages of convenient tube removal, individual adjustment, and minimal adjustment impact, the specific technical solutions adopted by the present invention are as follows:

[0010] A test tube holder for a fluorescence spectrophotometer comprises a placement table and legs, wherein several groups of test tube outer tubes are evenly installed on the top of the placement table, and the test tube inner tubes are slidably connected inside the test tube outer tubes, a fixed plate is symmetrically installed at the middle position of the surface of the test tube outer tube, and a limit plate is symmetrically installed at the top position of the surface of the test tube inner tube, an adjusting screw and a guide rod are respectively installed at the top position of the fixed plate, the adjusting screw and the guide rod both pass through the limit plate, a knob is installed at the top position of the adjusting screw, a placement groove is provided inside the test tube inner tube, and several groups of fixed tubes are symmetrically installed around the surface of the placement groove, a moving tube is slidably connected inside the fixed tube, one end of the moving tube is located inside the fixed tube and is connected to a compression spring, and the other end of the moving tube is fixedly installed with an abutment bar.

[0011] Furthermore, a wrapping plate is slidably connected to the bottom end of the test tube outer tube, one end of the wrapping plate passes through one side of the test tube outer tube and is connected to the pull plate, and an adjustment groove is provided on the outer periphery of the pull plate at the surface of the test tube outer tube.

[0012] Furthermore, legs are symmetrically installed at the bottom of the placement table.

[0013] Furthermore, a groove is provided in the middle of the surface of the wrapping plate.

[0014] Furthermore, a soft pad is adhered to the surface of the abutment strip.

[0015] Furthermore, the abutment strip is an arc-shaped structure.

[0016] Furthermore, the outer tube size of the test tube is larger than the inner tube size of the test tube.

[0017] Furthermore, a guide groove for the movement of the wrapping plate is provided inside the outer cylinder of the test tube.

[0018] (3) Beneficial effects

[0019] Compared with the prior art, the present invention provides a test tube holder for a fluorescence spectrophotometer, which has the following beneficial effects:

[0020] (1) The present invention adopts an adjusting screw and a test tube inner barrel. During actual use, personnel can rotate the multiple sets of adjusting screws on the placement table surface according to the different types of multiple test tubes to be used later. The rotation of the knob can drive the adjusting screw to rotate accordingly, thereby realizing the up and down movement of the test tube inner barrel, so that the height of the test tube inner barrel and the test tube outer barrel after adjustment can fully protect the test tube and avoid damage caused by exposure of the test tube. Since each set of test tube inner barrels is an independent individual, the processing of one set of test tube inner barrels will not affect the processing of other test tube inner barrels, thereby avoiding the impact of adjustment. At the same time, different adjustments can be made for different test tubes, thereby improving the practicality of the device and having the advantages of individual adjustment and small adjustment impact.

[0021] (2) The present invention adopts a pull plate and a wrapping plate. When the test tube needs to be taken out for use later, the pull plate can be pulled to drive the wrapping plate to move upward as a whole, thereby lifting the test tube abutting on its surface as a whole, thereby exposing the test tube body to the outside of the test tube inner cylinder, making it convenient for personnel to take the test tube. There is no need for personnel to put their fingers into the test tube structure to take it out, which greatly improves the convenience of taking out the test tube, facilitates simpler and faster use, and has the advantage of convenient test tube removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic structural diagram of a test tube holder for a fluorescence spectrophotometer proposed by the present invention;

[0024] Figure 2 This is a schematic diagram of the internal structure of the fixed cylinder of the utility model;

[0025] Figure 3 It is a cross-sectional view of the test tube inner tube and the test tube outer tube of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the wrapping tray of the present utility model.

[0027] In the picture:

[0028] 1. Placement table; 2. Test tube outer tube; 3. Fixed plate; 4. Adjustment screw; 5. Limit plate; 6. Test tube inner tube; 7. Knob; 8. Abutment bar; 9. Moving tube; 10. Guide rod; 11. Fixed tube; 12. Placement slot; 13. Adjustment slot; 14. Wrapping plate; 15. Support leg; 16. Pull plate; 17. Extrusion spring. DETAILED DESCRIPTION

[0029] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0030] According to an embodiment of the present utility model, a test tube holder for a fluorescence spectrophotometer is provided.

[0031] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-4 As shown, according to the embodiment of the present invention, the test tube holder for the fluorescence spectrophotometer includes a placement table 1 and support legs 15. Several groups of test tube outer tubes 2 are evenly installed on the top of the placement table 1. The test tube inner tube 6 is slidably connected to the inner position of the test tube outer tube 2. A fixed plate 3 is symmetrically installed at the middle position of the surface of the test tube outer tube 2, and a limit plate 5 is symmetrically installed at the top position of the surface of the test tube inner tube 6. An adjusting screw 4 and a guide rod 10 are respectively installed at the top position of the fixed plate 3. The adjusting screw 4 and the guide rod 10 both pass through the limit plate 5. A knob 7 is installed at the top position of the adjusting screw 4. A placement groove 12 is opened inside the test tube inner tube 6. Several groups of fixed tubes 11 are symmetrically installed around the surface of the placement groove 12. A moving tube 9 is slidably connected to the inner position of the fixed tube 11. One end of the moving tube 9 is located inside the fixed tube 11 and is connected to a squeezing spring 17. The other end of the moving tube 9 is fixedly installed with a contact bar 8.

[0032] In one embodiment, a wrapping plate 14 is slidably connected to the bottom end of the test tube outer tube 2. One end of the wrapping plate 14 passes through one side of the test tube outer tube 2 and is connected to a pull plate 16. An adjustment groove 13 is provided on the outer periphery of the pull plate 16 on the surface of the test tube outer tube 2. The movement of the pull plate 16 is to move the wrapping plate 14, thereby lifting the test tube placed on its surface, exposing it to facilitate personnel to take and detect operations, and thus facilitate the use of the fluorescence spectrophotometer.

[0033] In one embodiment, legs 15 are symmetrically installed at the bottom of the placement table 1, and the legs 15 can be used to fix the entire device, thereby enhancing the overall stability in use.

[0034] In one embodiment, a groove is provided in the middle of the surface of the wrapping plate 14. The groove is provided to wrap the arc-shaped structure at the bottom end of the test tube, thereby protecting the test tube to a certain extent.

[0035] In one embodiment, a soft pad is adhered to the surface of the abutting strip 8 , and the soft pad is provided to reduce clamping damage to the test tube.

[0036] In one embodiment, the abutting strip 8 is an arc-shaped structure, and the arc-shaped structure is provided to better fit the surface position of the test tube, thereby improving the fixing effect thereon.

[0037] In one embodiment, the size of the test tube outer tube 2 is larger than that of the test tube inner tube 6. The size setting ensures that the test tube inner tube 6 can move smoothly inside the test tube outer tube 2, thereby avoiding subsequent overall height adjustment.

[0038] In one embodiment, a guide groove for the movement of the wrapping disc 14 is provided inside the outer tube 2 of the test tube. The guide groove serves to guide and limit the movement of the wrapping disc 14 and prevent the wrapping disc 14 from detaching.

[0039] Working principle: In actual use, personnel can perform corresponding rotation operations on the multiple groups of adjusting screws 4 on the surface of the placement table 1 according to the different types of multiple groups of test tubes to be used later. The rotation of the knob 7 can drive the adjusting screw 4 to perform corresponding rotation operations, thereby realizing the up and down movement operation of the test tube inner tube 6, so that the height of the test tube inner tube 6 and the test tube outer tube 2 after adjustment can fully protect the test tube and avoid damage caused by exposure of the test tube. Since each group of test tube inner tubes 6 is an independent individual, the processing of it will not affect the processing of other test tube inner tubes 6, thereby avoiding the impact during adjustment. At the same time, different adjustments can be made for different test tubes, thereby improving the practicality of the device. After the height adjustment of the test tube structure is completed, personnel can directly insert the corresponding test tube into the structure. At this time, due to the size of the test tube The difference will squeeze the abutment strip 8, which will cause the movable cylinder 9 and the extrusion spring 17 connected thereto to deform accordingly, thereby changing the size of the space between the multiple groups of abutment strips 8, and then the reaction force generated by the deformation reset of the extrusion spring 17 can drive the abutment strip 8 to abut the surface position of the test tube, thereby improving its fixing effect. Then, when the test tube needs to be taken out for use later, the wrapping plate 16 can be pulled to drive the wrapping plate 14 to move up as a whole, thereby lifting the test tube abutting its surface as a whole, thereby exposing the test tube body to the outside of the test tube inner cylinder 6, making it convenient for personnel to take out the test tube, and there is no need for personnel to put their fingers into the test tube structure to take it out, which greatly improves the convenience of test tube removal and facilitates simpler and faster use. The device as a whole has the advantages of convenient test tube removal, individual adjustment, and small adjustment impact.

[0040] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A test tube stand for a fluorescence spectrophotometer, comprising a placement table (1) and legs (15), characterized in that: A plurality of test tube outer cylinders (2) are evenly installed on the top of the placement table (1), and a test tube inner cylinder (6) is slidably connected to the inner position of the test tube outer cylinder (2). A fixing plate (3) is symmetrically installed on the middle position of the surface of the test tube outer cylinder (2), and a limit plate (5) is symmetrically installed on the top position of the surface of the test tube inner cylinder (6). An adjusting screw (4) and a guide rod (10) are respectively installed on the top position of the fixing plate (3), and the adjusting screw (4) and the guide rod (10) both penetrate the limit plate. The plate (5) is provided with a knob (7) at the top position of the adjusting screw (4), a placement groove (12) is provided at the inner position of the test tube inner cylinder (6), a plurality of groups of fixed cylinders (11) are symmetrically arranged around the surface position of the placement groove (12), a movable cylinder (9) is slidably connected to the inner position of the fixed cylinder (11), one end of the movable cylinder (9) is located at the inner position of the fixed cylinder (11) and is connected to a compression spring (17), and the other end of the movable cylinder (9) is fixedly installed with an abutment bar (8).

2. The test tube holder for fluorescence spectrophotometer according to claim 1, characterized in that: A wrapping plate (14) is slidably connected to the bottom end of the test tube outer cylinder (2), one end of the wrapping plate (14) passes through one side of the test tube outer cylinder (2) and is connected to a pull plate (16), and an adjustment groove (13) is provided on the outer periphery of the pull plate (16) at a position on the surface of the test tube outer cylinder (2).

3. The test tube holder for fluorescence spectrophotometer according to claim 1, characterized in that: Support legs (15) are symmetrically installed at the bottom of the placement table (1).

4. The test tube holder for fluorescence spectrophotometer according to claim 2, characterized in that: A groove is provided in the middle of the surface of the wrapping plate (14).

5. The test tube holder for fluorescence spectrophotometer according to claim 1, characterized in that: A soft pad is adhered to the surface of the abutment strip (8).

6. The test tube holder for fluorescence spectrophotometer according to claim 1, characterized in that: The abutment strip (8) is an arc-shaped structure.

7. The test tube holder for a fluorescence spectrophotometer according to claim 1, characterized in that: The size of the test tube outer cylinder (2) is larger than the size of the test tube inner cylinder (6).

8. The test tube holder for fluorescence spectrophotometer according to claim 1, characterized in that: A guide groove for the movement of the wrapping plate (14) is provided inside the test tube outer cylinder (2).

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