Kit with clamping function

Abstract

The utility model relates to a kit with a clamping function, which effectively solves the problems of elasticity attenuation and the like in a mode of clamping by using a spring. Comprising a shell and a plurality of baffles fixed to the bottom of the shell, the baffles divide the interior of the shell into a plurality of cavities, a plurality of sleeves distributed at equal intervals are fixed to the bottoms of the cavities, rectangular cylinders are fixed to the two side walls of the sleeves, and sliding grooves located under the rectangular cylinders are formed in the two side walls of the sleeves; the reagent tube clamping device is ingenious in structure and convenient to use, through the arrangement of the pressing plate, the connecting rod, the ejector rod and the like, in the downward insertion process of a reagent tube, the reagent tube abuts against the pressing plate to move downwards, the two arc-shaped clamping plates are driven by the ejector rod to move oppositely through conduction of the connecting rod, finally, reagent tube clamping is achieved, and compared with a spring clamping mode, the clamping efficiency is improved. And the problem of unstable clamping caused by attenuation of the elastic force of the spring is solved, and the device has an excellent using effect in places such as laboratories and hospitals.

Description

Technical Field

[0001] The utility model relates to the technical field of reagent kits, in particular to a reagent kit with a clamping function. Background Art

[0002] A test kit is a container specially designed to hold and preserve various chemical reagents, which are often used to detect, analyze or diagnose specific chemical components, drug residues, viruses, bacteria or other microorganisms. They are widely used in many fields such as healthcare, biotechnology, pharmaceuticals, food safety, environmental monitoring, etc. Test kits usually contain all the necessary reagents required to perform a specific test, and sometimes also include sampling tools, buffers, control standards, instructions and possible instrument accessories, so that users can easily conduct experiments or tests.

[0003] The Chinese patent with application number CN202021635434.6 discloses a highly efficient medical detection kit, including a kit body, a storage cavity is provided inside the kit body, a plurality of storage blocks are provided in the storage cavity, a storage slot is provided in the storage block, a reagent tube is provided in the storage slot, and a limit groove is provided on the opposite side walls in the storage slot, a clamping mechanism is provided in the limit groove, the upper end of the reagent tube extends out of the kit body, a sealing cover is provided at the upper end of the kit body, a locking mechanism is provided between the sealing cover and the kit body, a groove is provided at the lower end of the sealing cover, an ultraviolet lamp is fixed at the top end of the groove, a power supply is fixed at the upper end of the sealing cover, and the output end of the power supply is electrically connected to the input end of the ultraviolet lamp. The highly efficient medical detection kit ensures the stable placement of the detection reagent, is easy to install and disassemble, is convenient for taking and storing the detection reagent, effectively sterilizes and disinfects during storage, and avoids environmental pollution of the detection reagent.

[0004] The Chinese patent with application number CN202220981255.0 discloses a SDS-PAGE gel preparation kit, including a box body, a well plate fixedly installed inside the box body, at least two rectangular storage holes evenly distributed and used for storing reagent bottles are opened at the top of the well plate, at least two clamping plates evenly distributed along the circumference of the storage hole are installed inside the storage hole, an arc plate bent toward the inner wall of the storage hole is fixedly installed at the top of the clamping plate, and a clamping assembly for tightening the clamping plate toward the axis of the storage hole is installed between the clamping plate and the inner wall of the storage hole. The device can automatically clamp and fix reagent bottles of various diameters, which is conducive to the storage, clamping and taking of reagent bottles.

[0005] The existing test kits still have the following problems:

[0006] 1. The clamping of the reagent tube inside the test kit is basically based on the extrusion force of the spring. Although it can clamp reagent tubes of different diameters, the elastic force of the spring is significantly attenuated during use. In particular, the frequent replacement of reagent tubes of different diameters will greatly reduce the service life of the spring. In addition, the spring inside the test kit is not easy to replace, which has obvious use defects in laboratories, hospitals and other places.

[0007] Moreover, the elastic force of the spring is fixed. The existing reagent tubes are basically made of plastic. For reagent tubes with smaller diameters, the extrusion force of the spring is smaller. When the diameter of the reagent tube is larger, the elastic force of the spring may cause the deformation of the reagent tube, which greatly affects the service life of the reagent tube and is not suitable for storing precious experimental materials.

[0008] 2. The reagent kit can basically only clamp reagent tubes of the same height. The reagent tubes can only be fully inserted into the bottom of the reagent kit and fixed by springs. When encountering shorter reagent tubes, the reagent tubes may be suspended under the action of the springs. After a period of standing still, the reagent tubes may slide downward, which is not convenient for long-term storage. Utility Model Content

[0009] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present utility model is to provide a reagent box with a clamping function, which effectively solves the problems mentioned in the background technology.

[0010] The technical solution solved is that the utility model comprises a shell, a plurality of baffles fixed on the bottom of the shell, the plurality of baffles separate a plurality of chambers inside the shell, a plurality of sleeves distributed at equal intervals are fixed on the bottom of the chamber, a rectangular tube is fixed on the two side walls of the sleeve, a sliding groove located directly below the rectangular tube is opened on the two side walls of the sleeve, a pressing plate sliding up and down is arranged inside the sleeve, both sides of the pressing plate are rotatably connected with a connecting rod located outside the sleeve, a rectangular groove is opened at the bottom of the rectangular tube, a top rod sliding along the length direction of the rectangular tube inside the rectangular tube, an arc-shaped clamping plate is fixed on one end of the top rod passing through the sleeve, a limiting block is fixed on the end of the top rod away from the arc-shaped clamping plate, the bottoms of the top rod and the limiting block are provided with the same U-shaped groove, the end of the connecting rod away from the pressing plate is rotatably connected with an intermediate tube, and the intermediate tube is located inside the U-shaped groove;

[0011] Limiting grooves are formed on both sides of the rectangular tube, and both ends of the limiting block slide in the corresponding limiting grooves respectively. The length of the limiting block in the limiting groove is one quarter of the width of the limiting groove. Lowering grooves are formed below the limiting grooves on both sides of the rectangular tube, and a plurality of notches distributed at equal intervals are formed between the limiting groove and the lowering groove. The width of the notch changes in a step-like manner, and the width of the notch closest to the sleeve is smaller. The bottom of the sleeve is threadedly connected to an end cover, and a telescopic spring is fixed to the top of the end cover, and the end of the telescopic spring away from the end cover is in contact with the pressure plate.

[0012] Preferably, a placement groove is provided at the top of the push rod, a sliding plate is provided at the bottom of the placement groove, a plurality of semi-cylindrical blocks distributed at equal intervals are fixed on the top of the sliding plate, a limiting strip is provided above the sliding plate, a plurality of clamping blocks distributed at equal intervals are fixed on the top of the limiting strip, an arc groove matching the plurality of semi-cylindrical blocks is provided at the bottom of the limiting strip, a positioning block is fixed on the inner wall of the rectangular tube close to one end of the sleeve, and the positioning block matches the gap formed by the plurality of clamping blocks;

[0013] A support plate is fixed at one end of the sliding plate, a conical rod is fixed on the support plate, one end of the conical rod passes through the placement slot and contacts the connecting rod, and the support plate is connected to the placement slot through a spring.

[0014] Preferably, two sides of the intermediate tube are slidably connected with branch pipes, and the two branch pipes are respectively connected to the intermediate tube via springs;

[0015] The top of the rectangular cylinder is rotatably connected to a double-headed screw, and both ends of the double-headed screw are respectively threadedly connected to positioning plates that move in opposite directions. Two top blocks that match the limit groove and the downward groove are fixed on the positioning plate, and a circular plate is coaxially fixed to the middle of the double-headed screw. The circular plate is provided with scale grooves that are evenly spaced and match the number of notches.

[0016] Preferably, a support leg is fixed at the outer edge of the bottom of the shell, and a partition cavity is formed between the support leg and the bottom surface of the shell, and a handle located inside the partition cavity is fixed to the bottom of each of the plurality of end covers.

[0017] Preferably, soft felt is provided on the arc-shaped clamping plate.

[0018] Preferably, the interior of the scale groove is coated with pigment.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. Through the settings of the pressure plate, connecting rod and push rod, the experimenter inserts the reagent tube into the corresponding sleeve. During the downward insertion of the reagent tube, the reagent tube moves downward against the pressure plate. Through the conduction of the connecting rod, the push rod drives the two arc-shaped clamping plates to move towards each other, and finally the reagent tube is clamped. Compared with the spring clamping method, the problem of unstable clamping due to the attenuation of the spring elastic force will not occur. This device has excellent use effect in laboratories, hospitals and other places.

[0021] 2. Through the settings of the notch, downward groove and limit groove, when the reagent tube is clamped, the bottom pressure plate will have a supporting effect on the reagent tube. When the middle tube passes through the notch of corresponding width, it slides into the downward groove under the guidance of the notch, the tapered rod is disengaged from the connecting rod, the limit bar is pushed upward, and the card block and the positioning block are limited to achieve the effect of continuous clamping of the arc clamp. Even if the reagent tube is clamped at this time, the experimenter can still continue to insert the reagent tube downward according to the height of the reagent tube, but only needs to apply a relatively large force, so as to achieve the clamping of reagent tubes of different heights and improve the versatility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a stereogram of the utility model.

[0023] Figure 2 It is a structural schematic diagram of the sleeve in the utility model.

[0024] Figure 3 It is a structural schematic diagram of the rectangular groove in the utility model.

[0025] Figure 4 It is a structural schematic diagram of the limit block in the utility model.

[0026] Figure 5 It is a structural schematic diagram of the tapered rod in the utility model.

[0027] Figure 6 It is a structural schematic diagram of the arc groove in the utility model.

[0028] Figure 7 It is a structural schematic diagram of the telescopic spring in the utility model.

[0029] Figure 8 It is a structural schematic diagram of the branch pipe in the utility model.

[0030] Fig. 9 It is a structural schematic diagram of the scale groove in the utility model.

[0031] Fig.10 It is a structural schematic diagram of the handle in the utility model.

[0032] Explanation of the symbols in the schematic diagram:

[0033] 1. Shell; 2. Baffle; 3. Sleeve; 4. Rectangular tube; 5. Slide; 6. Pressure plate; 7. Connecting rod; 8. Rectangular groove; 9. Push rod; 10. Arc splint; 11. Limit block; 12. U-shaped groove; 13. Intermediate tube; 14. Limit groove; 15. Downward movement groove; 16. Notch; 17. End cover; 18. Telescopic spring; 19. Placement groove; 20. Sliding plate; 21. Semi-cylindrical block; 22. Limit strip; 23. Block; 24. Arc groove; 25. Positioning block; 26. Support plate; 27. Conical rod; 28. Branch pipe; 29. ​​Double-head screw; 30. Positioning plate; 31. Push block; 32. Round plate; 33. Scale groove; 34. Leg; 35. Handle. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Depend on Figures 1 to 7The invention provides a shell 1, comprising a plurality of baffles 2 fixed to the bottom of the shell 1, a cover plate being hinged on one side of the shell 1, and a sealed environment being formed inside the shell 1 after the cover plate is flipped down, the plurality of baffles 2 partition the shell 1 into a plurality of chambers, a plurality of sleeves 3 distributed at equal intervals are fixed to the bottom of the chamber, a rectangular tube 4 is fixed to the two side walls of the sleeve 3, in this embodiment, in order to reduce the overall size of the shell 1, the rectangular tube 4 is tilted, a plurality of groups of rectangular tubes 4 form an internal angle of 15-30° with adjacent baffles 2, a slide groove 5 is provided on the two side walls of the sleeve 3, a pressing plate 6 sliding up and down is provided inside the sleeve 3, protrusions located inside the slide groove 5 are fixed on both sides of the pressing plate 6, connecting rods 7 located outside the sleeve 3 are rotatably connected on both sides of the pressing plate 6, and the two connecting rods 7 are rotatably connected to the protrusions on both sides of the pressing plate 6, and the bottom of the rectangular tube 4 is provided with a There is a rectangular groove 8, and a push rod 9 is slidably provided inside the rectangular tube 4 along the length direction of the rectangular tube 4. An arc-shaped clamping plate 10 is fixed to one end of the push rod 9 that passes through the sleeve 3, and a limiting block 11 is fixed to the end of the push rod 9 away from the arc-shaped clamping plate 10. The bottom of the push rod 9 and the limiting block 11 are provided with the same U-shaped groove 12, and the end of the connecting rod 7 away from the pressing plate 6 is rotatably connected with an intermediate tube 13, and the intermediate tube 13 is located inside the U-shaped groove 12. Through the settings of the pressing plate 6, the connecting rod 7 and the push rod 9, the experimenter inserts the reagent tube into the corresponding sleeve 3. During the downward insertion of the reagent tube, the reagent tube moves downward against the pressing plate 6. Through the conduction of the connecting rod 7, the push rod 9 drives the two arc-shaped clamping plates 10 to move in opposite directions, and finally realizes the clamping of the reagent tube. Compared with the spring clamping method, the problem of unstable clamping due to the attenuation of the spring elastic force will not occur. The device has excellent use effect in laboratories, hospitals and other places;

[0036] At the same time, considering that there are reagent tubes of different heights in laboratories, hospitals and other places, if only one height of the reagent kit is used for clamping, the shorter reagent tube will be suspended in the air. However, in laboratories and other places, the reagent tubes are often placed for a long time. At this time, if they are only clamped by the elastic force of the spring, the reagent tubes will still slide down slowly, which is not conducive to the long-term storage of the reagent tubes. Limiting grooves 14 are formed on both sides of the rectangular tube 4, and the two ends of the limiting block 11 slide in the corresponding limiting grooves 14 respectively. The limiting block 11 The length in the limiting groove 14 is one quarter of the width of the limiting groove 14. Both sides of the rectangular tube 4 are penetrated with a downward displacement groove 15 located below the limiting groove 14. A plurality of notches 16 distributed at equal intervals are penetrated between the limiting groove 14 and the downward displacement groove 15. The width of the notch 16 changes in a step-like manner, and the width of the notch 16 closest to the sleeve 3 is smaller. The bottom of the sleeve 3 is threadedly connected with an end cover 17, and a telescopic spring 18 is fixed on the top of the end cover 17. The end of the telescopic spring 18 away from the end cover 17 is connected to the pressing plate 6. The telescopic spring 18 is not directly fixed to the pressure plate 6, but only plays a certain role in resetting the pressure plate 6. Through the notch 16, the downward groove 15 and the limit groove 14, when the reagent tube is clamped, the pressure plate 6 at the bottom will have a supporting effect on the reagent tube. When the pressure plate 6 and the connecting rod 7 drive the top rod 9 to move horizontally, when the arc-shaped clamping plate 10 completes the clamping of the reagent tube, the intermediate tube 13 slides into the downward groove 15 under the guidance of the notch 16 when passing through the notch 16 of corresponding width. When the intermediate tube 13 is separated from the U-shaped groove 12, the conical rod 27 is out of contact with the connecting rod 7. At this time, the sliding plate 20 moves to one side under the action of the spring, causing the limit bar 22 to push up, and the block 23 and the positioning block 25 are limited, so as to achieve the effect of continuous clamping of the arc clamp 10. Even if the reagent tube is clamped at this time, the experimenter can still continue to insert the reagent tube downward according to the height of the reagent tube, but only needs to apply a relatively large force. During the sliding process of the pressure plate 6, the connecting rod 7 and the intermediate tube 13 slide inside the downward groove 15, so as to achieve the clamping of reagent tubes of different heights, thereby improving the versatility of the equipment.

[0037] refer to Figures 4 to 7As shown, considering that after the intermediate tube 13 and the connecting rod 7 slide into the downward groove 15 through the notch 16, the push rod 9 and the arc-shaped clamping plate 10 may have a rebound problem, a placement groove 19 is provided on the top of the push rod 9, and a sliding plate 20 is provided at the bottom of the placement groove 19. A plurality of semi-cylindrical blocks 21 distributed at equal intervals are fixed on the top of the sliding plate 20. A limiting strip 22 is provided above the sliding plate 20, and a plurality of equally distributed blocks 23 are fixed on the top of the limiting strip 22. An arc-shaped groove 24 matching the plurality of semi-cylindrical blocks 21 is provided at the bottom of the limiting strip 22. A positioning block 25 is fixed on the inner wall of the rectangular tube 4 near one end of the sleeve 3, and the positioning block 25 matches the gap formed by the plurality of blocks 23.

[0038] A support plate 26 is fixed to one end of the sliding plate 20, and a tapered rod 27 is fixed to the support plate 26. One end of the tapered rod 27 passes through the placement groove 19 and contacts the connecting rod 7. The support plate 26 is connected to the placement groove 19 through a spring. Through the arrangement of the sliding plate 20, the limiting strip 22 and the tapered rod 27, when the intermediate cylinder 13 passes through the notch 16 of corresponding width, the connecting rod 7 and the intermediate cylinder 13 slide into the downward moving groove 15, and the tapered rod 27 is disengaged from the connecting rod 7. The sliding plate 20 moves to one side under the action of the spring, and the semi-cylindrical block 21 is disengaged from the arc groove 24 and moves upward against the limiting strip 22. At this time, the clamping block 23 and the positioning block 25 are limited.

[0039] It should be noted that although the blocking block 23 and the positioning block 25 can be quickly limited, the inspector still needs to reserve a certain margin. When the arc-shaped splint 10 and the reagent tube are limited, the extrusion force on the reagent tube is greater than the preset pressure. When the intermediate tube 13 passes through the notch 16 and enters the lower groove 15, the arc-shaped splint 10 has a margin for rebound. After the arc-shaped splint 10 rebounds, the reagent tube reaches an ideal clamping state.

[0040] refer to Figure 3 , Figure 8 and Fig. 9 As shown, considering the need to clamp reagent tubes of different thicknesses without causing deformation of the reagent tubes due to excessive clamping force, the two sides of the intermediate tube 13 are slidably connected with branch tubes 28, and the two branch tubes 28 are respectively connected to the intermediate tube 13 through springs;

[0041] The top of the rectangular tube 4 is rotatably connected with a double-headed screw 29, and both ends of the double-headed screw 29 are respectively threadedly connected with positioning plates 30 that move in opposite directions. Two top blocks 31 that match the limiting grooves 14 and the downward moving grooves 15 are fixed on the positioning plate 30. A circular plate 32 is coaxially fixed to the middle of the double-headed screw 29, and scale grooves 33 that match the number of notches 16 are evenly spaced on the circular plate 32. In this embodiment, the number of scale grooves 33 and notches 16 is four, and the scale grooves 33 are opened on the circular plate 32 along a 180-degree direction. By rotating the circular plate 32, different When the scale groove 33 is located directly above, it means that the positioning plate 30 limits the extension width of the branch tube 28 and the corresponding notch 16. Through the settings of the circular plate 32, the branch tube 28 and the positioning plate 30, the inspector only needs to manually rotate the circular plate 32. The scale groove 33 at the end represents that the clamped reagent tube is the thinnest. The scale groove 33 of the corresponding width is turned to the position directly above. The two positioning plates 30 are driven by the double-headed screw 29 to approach each other, and the extension amount of the branch tube 28 is limited within the specified range, so as to achieve the clamping of reagent tubes of different thicknesses without causing the problem of excessive extrusion force.

[0042] refer to Figure 7 and Fig.10 As shown, considering the need to replace the telescopic spring 18, a leg 34 is fixed to the outer edge of the bottom of the shell 1, and a partition cavity is formed between the leg 34 and the bottom surface of the shell 1. A handle 35 located inside the partition cavity is fixed to the bottom of each of the end covers 17. The inspector only needs to control the rotation of the handle 35, remove the end cover 17, and directly replace the telescopic spring 18.

[0043] In order to ensure the friction between the arc-shaped clamping plate 10 and the reagent tube, a soft felt is provided on the arc-shaped clamping plate 10 .

[0044] In order to make the effect of different widths of different scale grooves 33 more obvious, the inside of the scale groove 33 is coated with pigment. Pigments of different colors are coated in the scale groove 33. The thinner the reagent tube, the darker the color.

[0045] When the utility model is used:

[0046] First, the inspector rotates the circular plate 32 in advance to turn the scale groove 33 of the corresponding width to the upper position, and the two positioning plates 30 are driven by the double-headed screw 29 to move closer to each other, limiting the extension of the branch pipe 28 within the specified range;

[0047] Then, the experimenter inserts the reagent tube into the sleeve 3. During the downward insertion of the reagent tube, the reagent tube moves downward against the pressing plate 6. Through the conduction of the connecting rod 7, the push rod 9 drives the two arc-shaped clamping plates 10 to move toward each other.

[0048] Secondly, when the intermediate cylinder 13 passes through the notch 16 of corresponding width, it slides into the downward displacement groove 15 under the guidance of the notch 16. After the intermediate cylinder 13 is separated from the U-shaped groove 12, the tapered rod 27 is separated from the connecting rod 7. At this time, the sliding plate 20 moves to one side under the action of the spring, causing the limit bar 22 to push up, and the clamping block 23 and the positioning block 25 are limited, so that the arc clamping plate 10 can continuously clamp. Even if the reagent tube is clamped at this time, the experimenter can still continue to insert the reagent tube downward according to the height of the reagent tube, but only needs to apply a relatively large force. When the pressing plate 6 is sliding down, the connecting rod 7 and the intermediate cylinder 13 slide inside the downward displacement groove 15;

[0049] Finally, after the reagent tube is pulled out, the pressure plate 6 is reset under the action of the telescopic spring 18, and the connecting rod 7 returns to the inside of the U-shaped groove 12 again under the guidance of the downward groove 15. The conical rod 27 is squeezed by the connecting rod 7, the sliding plate 20 is reset, the limit bar 22 slides down, and the block 23 and the positioning block 25 are disengaged from the limit.

[0050] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reagent kit with a clamping function, comprising a housing (1), a plurality of baffles (2) fixed to the bottom of the housing (1), characterized in that: The plurality of baffles (2) separate the interior of the shell (1) into a plurality of chambers, a plurality of sleeves (3) distributed at equal intervals are fixed to the bottom of the chamber, a rectangular tube (4) is fixed to the two side walls of the sleeve (3), a slide groove (5) located directly below the rectangular tube (4) is provided on the two side walls of the sleeve (3), a pressing plate (6) sliding up and down is provided inside the sleeve (3), the two sides of the pressing plate (6) are rotatably connected to connecting rods (7) located outside the sleeve (3), and a rectangular groove (8) is provided at the bottom of the rectangular tube (4). ), a push rod (9) is slidably disposed inside the rectangular tube (4) along the length direction of the rectangular tube (4), an arc-shaped clamping plate (10) is fixed to one end of the push rod (9) penetrating the sleeve (3), a limit block (11) is fixed to one end of the push rod (9) away from the arc-shaped clamping plate (10), a same U-shaped groove (12) is formed at the bottom of the push rod (9) and the limit block (11), an intermediate tube (13) is rotatably connected to one end of the connecting rod (7) away from the pressure plate (6), and the intermediate tube (13) is located inside the U-shaped groove (12); Both sides of the rectangular tube (4) are provided with limit grooves (14), and both ends of the limit block (11) slide in the corresponding limit grooves (14) respectively. The length of the limit block (11) in the limit groove (14) is one quarter of the width of the limit groove (14). Both sides of the rectangular tube (4) are provided with downward displacement grooves (15) located below the limit grooves (14). A plurality of notches (16) distributed at equal intervals are provided between the limit grooves (14) and the downward displacement grooves (15). The width of the notches (16) changes in a step-like manner, and the width of the notch (16) closest to the sleeve (3) is smaller. The bottom of the sleeve (3) is threadedly connected with an end cover (17), and a telescopic spring (18) is fixed on the top of the end cover (17). The end of the telescopic spring (18) away from the end cover (17) contacts the pressing plate (6).

2. A reagent kit with a clamping function according to claim 1, characterized in that: A placement groove (19) is provided at the top of the push rod (9), a sliding plate (20) is provided at the bottom of the placement groove (19), a plurality of semi-cylindrical blocks (21) distributed at equal intervals are fixed on the top of the sliding plate (20), a limiting strip (22) is provided above the sliding plate (20), a plurality of clamping blocks (23) distributed at equal intervals are fixed on the top of the limiting strip (22), an arc groove (24) matching the plurality of semi-cylindrical blocks (21) is provided at the bottom of the limiting strip (22), a positioning block (25) is fixed on the inner wall of the rectangular tube (4) close to one end of the sleeve (3), and the positioning block (25) matches the gap formed by the plurality of clamping blocks (23); A support plate (26) is fixed to one end of the sliding plate (20), a conical rod (27) is fixed to the support plate (26), one end of the conical rod (27) passes through the placement groove (19) and contacts the connecting rod (7), and the support plate (26) and the placement groove (19) are connected via a spring.

3. A reagent kit with a clamping function according to claim 2, characterized in that: Branch pipes (28) are slidably connected to both sides of the intermediate cylinder (13), and the two branch pipes (28) are respectively connected to the intermediate cylinder (13) via springs; The top of the rectangular tube (4) is rotatably connected to a double-headed screw (29), and the two ends of the double-headed screw (29) are respectively threadedly connected to positioning plates (30) that move in opposite directions. Two top blocks (31) that match the limiting grooves (14) and the downward moving grooves (15) are fixed on the positioning plate (30), and a circular plate (32) is coaxially fixed to the middle of the double-headed screw (29). The circular plate (32) is provided with scale grooves (33) at equal intervals that match the number of the notches (16).

4. A reagent kit with a clamping function according to claim 3, characterized in that: A support leg (34) is fixed at the outer edge of the bottom of the shell (1), and a partition cavity is formed between the support leg (34) and the bottom surface of the shell (1). A handle (35) located inside the partition cavity is fixed at the bottom of each of the plurality of end covers (17).

5. The reagent kit with a clamping function according to claim 1, characterized in that: The arc-shaped clamping plate (10) is provided with soft felt.

6. The reagent kit with a clamping function according to claim 3, characterized in that: The interior of the scale groove (33) is coated with pigment.

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