CN113477291B - Novel experiment tray with scale and camera shooting function - Google Patents

Abstract

The invention discloses a novel experimental tray with a scale and a camera function, comprising: a tray body, a fixed frame, a sliding device, a tube-type equipment collection device, a tube-type equipment temporary storage device, a reagent bottle collection device, a camera device and a ruler device; The two sides of the tray body are respectively provided with the fixing frame, and the fixing frame and the tray body are slidably connected by the sliding device; the temporary storage device for pipe equipment includes a clamping plate and a hinge rod; The two sides of the connecting plate are respectively hinged with one end of the two hinge rods, and the other end of the hinge rod is hinged with the side surface of the tray body; the tube equipment collection device is arranged at the bottom of the tray body; the reagent bottle collects The device is arranged on one side of the tray body; the camera device is arranged on one side of the clip plate, and the camera device is connected with the clip plate by screws; the scale device is arranged on one side of the upper bottom plate .

Description

A New Experiment Tray with Ruler and Camera Function

technical field

The invention relates to the technical field of experimental utensils, in particular to a novel experimental tray with a ruler and a camera function.

Background technique

At present, the general experimental medical trays are all integrated and fixed medical trays, which cannot be bent or folded, which makes it inconvenient for medical staff to carry, occupies a large area when not in use, and has a simple structure. Because there is no fixing device for placing medical supplies, it is very difficult to place It is easy to clutter medical equipment, and experimenters often need to take test tubes for measurement or experimentation. The existing medical trays do not have devices for fixing test tubes and scales that are easy to operate, resulting in inconvenient use of the trays during experiments. Moreover, when the experimenter conducts the experiment, they are often not impressed by the experiment that is only done once. However, if only the second experiment is performed, it not only consumes time, but also wastes raw materials and increases the cost of the experiment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a new experimental tray with a ruler and a camera function, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present invention provides the following solutions: The present invention provides a novel experimental tray with a ruler and a camera function, including: a tray body, a fixed frame, a sliding device, a pipe equipment collection device, and a pipe equipment temporary storage device , reagent bottle collection device, camera device and ruler device;

Two sides of the tray body are respectively provided with the fixing frame, and the fixing frame and the tray body are slidably connected by the sliding device;

The pipe equipment temporary storage device includes a snap plate and a hinge rod; two sides of the snap plate are respectively hinged with one end of the two hinge rods, and the other end of the hinge rod is hinged with the side surface of the tray body;

The pipe equipment collecting device is arranged at the bottom of the tray body;

The reagent bottle collecting device is arranged on one side of the tray body;

The camera device is arranged on one side of the clip plate, and the camera device and the clip plate are connected by screws;

The scale device is arranged on one side of the pipe equipment collecting device.

Preferably, the tube equipment collecting device includes a lower bottom plate, an upper bottom plate, a sliding assembly, a pipette slot, a test tube slot and a rubber pad; The top surface of the upper bottom plate and the bottom surface of the tray body are slidably connected through a sliding assembly, the pipette grooves and the test tube grooves are both provided with several, and the pipette grooves and the test tube grooves are provided at intervals. On the bottom surface of the upper bottom plate and the top surface of the lower bottom plate, the rubber pad is arranged in the pipette groove and the test tube groove;

Preferably, the clamping plate is provided with threaded holes, test tube holes and pipette holes;

The test tube holes and the pipette holes are provided with several holes, the test tube holes and the pipette holes are respectively provided on both sides of the top surface of the clamping plate, and the threaded holes are provided on the At the edge of the top surface of the clamping plate, the camera device and the clamping plate are connected through the threaded hole.

Preferably, the camera device includes a lifting screw barrel, a lifting screw, an extension screw, an extension screw barrel, an abutment block and a clamping assembly;

The outer wall of the lifting screw cylinder and the threaded hole are connected by threads, the bottom surface of the lifting screw cylinder is fixedly connected with the top surface of the abutting block, the bottom surface of the abutting block is abutting with the top surface of the tray body, and the The outer wall of the lifting screw is connected with the inner wall of the lifting screw barrel by threads, the top of the lifting screw is hinged with one end of the extension screw, and the outer wall of the other end of the extension screw is connected with the inner wall of the extension screw barrel by threads. It is fixedly connected with the side surface of the extended threaded barrel.

Preferably, the clamping assembly includes a clamping plate, an abutting plate, a limit plate, a limit screw, a limit ring and a limit bearing;

The abutting plates are provided with two and are respectively fixed to both sides of the clamping plate, wherein one side of the abutting plate is fixedly connected to the extending screw barrel, and one end of the limit screw penetrates the other. The abutting plate is connected with the abutting plate by threads, the side surface of the limiting plate is fixedly connected with the limiting ring, the limiting bearing is arranged in the limiting ring, and the The other end is fixedly connected with the inner wall of the limit bearing.

Preferably, the reagent bottle collecting device includes a collecting hole, abutting bearing, abutting screw, abutting support plate, abutting shaft sleeve and abutting threaded barrel;

Several collection holes are provided on the top surface of the tray body, storage slots are provided on the other side of the top surface of the tray body, and several abutting bearings are provided and embedded in the bottom surface of the tray body, There are several abutting screw cylinders and are embedded on the top surface of the lower bottom plate, and the abutting bearing corresponds to the position of the abutting screw cylinder; One end of the screw rod is fixedly connected with the inner wall of the abutting bearing, the other end of the abutting screw rod is connected with the inner wall of the abutting screw cylinder through threads, and the abutting support plate is sleeved on a plurality of the abutting screw rods, The abutting screw and the abutting support plate are connected through the abutting bushing.

Preferably, the ruler device includes a hinged shaft, a storage slot, a medical knowledge ruler and a centimeter ruler;

The storage slot is opened on the side of the upper bottom plate, the two ends of the hinge shaft are respectively fixed to the upper and lower walls of the storage slot, and one end of the medical knowledge ruler and the centimeter ruler are connected to the hinge shaft. Turn the connection.

Preferably, the sliding device includes a first T-shaped groove, a first T-shaped block and a positioning assembly;

The vertical sides of the fixing frame are all provided with the first T-shaped grooves, and the first T-shaped blocks are provided with four and are respectively arranged on the four corners of the tray body. The first T-shaped slot and the first T-shaped block are slidably connected with the first T-shaped slot, and the positions of the first T-shaped slot and the first T-shaped block are fixed by the positioning assembly.

Preferably, the positioning assembly includes a positioning hole and a connecting hole;

The positioning holes are opened on the first T-shaped block, and two connecting holes are opened on the vertical sides of any of the fixing frames along the vertical direction, and the connecting holes and the positioning holes are connected by bolts. fixed.

Preferably, the new experimental tray with scale and camera function is characterized in that: the sliding connection assembly includes a second T-shaped slot and a second T-shaped block; the second T-shaped slot is opened in the On one side of the bottom surface of the tray body, the bottom of the second T-shaped block is fixedly connected to the top surface of the upper bottom plate, and the top of the second T-shaped block is slidably connected to the second T-shaped groove.

The present invention discloses the following technical effects: in order to facilitate obtaining more accurate experimental data in the process of conducting experiments, the present invention is provided with a scale device, which enables researchers to easily measure physical data and simple calculation of scientific data, and improves the The experimental efficiency is improved, and the camera device installed at the same time can take pictures of the entire experimental process, which is convenient for later review and research, and improves work efficiency and experimental effect; through the lifting motion on the tray body through the fixed frame, the experimental tray of the present invention has two kinds of work. One is the load-bearing state before the experiment. The tube equipment collection device can be used to transport various medical equipment stably, and the experimental tray has a large space, which can transport more instruments at one time. Work efficiency; the other is the experimental state. The temporary storage device for tube equipment can fix the test tube loaded with reagents and the used pipette, put them on the clamping plate 3, and the bottom passes through the upper bottom plate 6. Abutting, realizes the function of temporary storage, and at the same time releases all the storage space on the top surface of the tray body 1, saves the use of redundant experimental equipment, and improves work efficiency.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

Fig. 1 is the structural schematic diagram of the bearing state of the present invention;

Fig. 2 is the structural representation of the experimental state of the present invention;

Fig. 3 is the side view of the present invention;

4 is a schematic structural diagram of a tray body of the present invention;

Fig. 5 is a partial enlarged view of A1 of the present invention;

Fig. 6 is a partial enlarged view of A2 of the present invention;

Fig. 7 is a partial enlarged view of A3 of the present invention;

Fig. 8 is a partial enlarged view of A4 of the present invention;

9 is a schematic structural diagram of Embodiment 2 of the present invention;

Fig. 10 is a partial enlarged view of A5 of the present invention;

Among them, 1. Tray body; 2. Fixed frame; 3. Snap plate; 4. Hinged rod; 5. Lower base plate; 6. Upper base plate; 7. Pipette slot; 8. Test tube slot; 9. Rubber pad; 10. Test tube hole; 11. Pipette hole; 12. Lifting screw barrel; 13. Lifting screw; 14. Extending screw; 15. Extending screw barrel; 16. Abutting block; 17. Clamping plate; 18. Abutting plate; 19, limit plate; 20, limit screw; 21, limit ring; 22, limit bearing; 23, collecting hole; 24, abutting bearing; 25, abutting screw; 26, abutting support plate; 27. Abutting shaft sleeve; 28. Abutting threaded barrel; 29. Hinged shaft; 30. Receiving slot; 31. Medical knowledge ruler; 32. Centimeter ruler; 33. First T-shaped groove; 34. First T-shaped block 35, positioning hole; 36, connecting hole; 37, storage slot; 38, second T-shaped slot; 39, second T-shaped block; 40, hinged ball;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Example 1

1-8, the present invention provides a new experimental tray with a ruler and a camera function, including: a tray body 1, a fixed frame 2, a sliding device, a tube-type equipment collection device, a tube-type equipment temporary storage device, and a reagent bottle collection device. devices, camera devices and ruler devices;

Two sides of the tray body 1 are respectively provided with the fixing frame 2, and the fixing frame 2 and the tray body 1 are slidably connected by the sliding device;

The pipe equipment temporary storage device includes a snap plate 3 and a hinge rod 4; both sides of the snap plate 3 are hinged with one end of the two hinge rods 4 respectively, and the other end of the hinge rod 4 is connected with the tray body. 1 side hinged;

The pipe equipment collection device is arranged at the bottom of the tray body 1;

The reagent bottle collecting device is arranged on one side of the tray body 1;

The camera device is arranged on one side of the clip plate 3, and the camera device and the clip plate 3 are connected by screws;

The scale device is arranged on one side of the pipe equipment collecting device.

In order to facilitate the acquisition of more accurate experimental data during the experiment, the present invention is provided with a ruler device, which enables researchers to easily measure physical data and perform simple calculation of scientific data, thereby improving experimental efficiency. The whole experimental process can be photographed, which is convenient for later review and research, and improves work efficiency and experimental effect;

To further optimize the plan, the tube equipment collection device includes a lower bottom plate 5, an upper bottom plate 6, a sliding assembly, a pipette slot 7, a test tube slot 8 and a rubber pad 9; The bottom of the fixed frame 2 is fixedly connected, the top surface of the upper bottom plate 6 and the bottom surface of the tray body 1 are slidably connected through a sliding assembly, and several pipette grooves 7 and 8 are provided. The liquid pipe groove 7 and the test tube groove 8 are spaced apart on the bottom surface of the upper bottom plate 6 and the top surface of the lower bottom plate 5, and the rubber pad 9 is arranged in the pipette groove 7 and the test tube groove 8. ;

Through the lifting motion of the fixed frame 2 on the tray body 1, the experimental tray of the present invention has two working modes. Stable transportation, and this experimental tray has a large space, which can transport more instruments at one time, improving work efficiency; the other is the experimental state, and the temporary storage device for tube equipment can store the test tubes loaded with reagents and use them. The passed pipette is fixed, put it on the snap plate 3, the bottom is abutted by the upper bottom plate 6, and the function of temporary storage is realized. The use of equipment improves work efficiency.

To further optimize the solution, the snap plate 3 is provided with threaded holes, a test tube hole 10 and a pipette hole 11;

The test tube holes 10 and the pipette holes 11 are each provided with a number of holes, and the test tube holes 10 and the pipette holes 11 are respectively opened on both sides of the top surface of the snap plate 3. A threaded hole is opened at the edge of the top surface of the snap plate 3 , and the camera device and the snap plate 3 are connected through the threaded hole.

In order to be able to store different types of experimental equipment, the different storage holes respectively opened on the clip plate 3 enhance the adaptability.

To further optimize the solution, the camera device includes a lifting screw barrel 12, a lifting screw 13, an extension screw 14, an extension screw barrel 15, an abutment block 16 and a clamping assembly;

The outer wall of the lifting screw cylinder 12 is connected with the threaded hole by threads, the bottom surface of the lifting screw cylinder 13 is fixedly connected with the top surface of the abutting block 16 , and the bottom surface of the abutting block 16 is connected with the top surface of the tray body 1 . In contact, the outer wall of the lifting screw 13 is connected with the inner wall of the lifting screw barrel 12 through threads, the top of the lifting screw 13 is hinged with one end of the extension screw 14, and the outer wall of the other end of the extension screw 14 is connected with the extension screw barrel. The inner wall of 15 is connected by threads, and the clamping assembly is fixedly connected with the side surface of the extending thread barrel 15 .

In order to obtain a more complete record during the experiment, the lifting screw 13 and the lifting screw barrel 12 can control the height of the imaging element so that it has a wider viewing angle, and because it is rotated and lifted, it can be adjusted at the same time during this process. The rotation angle of the horizontal plane increases the mobility, and the extension screw 14 and the extension thread barrel 15 can extend the shooting length in the horizontal direction, and at the same time adjust the rotation angle of the clamping assembly, so that the entire shooting process can achieve no dead angle shooting.

In a further optimized solution, the clamping assembly includes a clamping plate 17 , an abutment plate 18 , a limit plate 19 , a limit screw 20 , a limit ring 21 and a limit bearing 22 ;

There are two abutting plates 18 , which are respectively fixed to both sides of the clamping plate 17 . One side of the abutting plate 18 is fixedly connected to the extending screw barrel 15 , and one end of the limiting screw 20 is fixed. The other abutting plate 18 penetrates through and is connected with the abutting plate 18 by screws. The side surface of the limiting plate 19 is fixedly connected with the limiting ring 21 . In the position ring 21 , the other end of the position limit screw 20 is fixedly connected to the inner wall of the position limit bearing 22 .

In order to fix the camera equipment, the present invention provides a clamping assembly, and the distance between the limit plate 19 and the abutment plate 18 is controlled by the rotation of the limit screw 20, which can not only enhance the adaptability to different sizes of camera equipment, but also Real-time fixation is achieved through threaded connection, reducing displacement and avoiding the occurrence of unstable shooting of the camera equipment.

To further optimize the solution, the reagent bottle collection device includes a collection hole 23 , abutment bearing 24 , abutment screw 25 , abutment support plate 26 , abutment shaft sleeve 27 and abutment screw cylinder 28 ;

Several collection holes 23 are provided on the top surface of the tray body 1 , storage slots 37 are provided on the other side of the top surface of the tray body 1 , and several abutting bearings 24 are provided and embedded in the tray body 1 . On the bottom surface of the tray body 1, several abutting screw cylinders 28 are provided and embedded on the top surface of the lower bottom plate 5, and the contact bearing 24 corresponds to the abutting screw cylinder 28; There are several screw rods 25, one end of the abutting screw rod 25 is fixedly connected with the inner wall of the abutting bearing 24, and the other end of the abutting screw rod 25 is connected with the inner wall of the abutting screw cylinder 28 through threads. The abutment support plate 26 is sleeved on a plurality of the abutment screws 25 , and the abutment screws 25 and the abutment support plate 26 are connected by the abutment shaft sleeves 27 .

In order to store and use reagent bottles and other instruments that are difficult to store and transport, the reagent bottle collection device provided in the present invention can realize the lifting movement of the reagent bottles. The bottom surface of the support plate 26 is close to the top surface of the lower bottom plate 5, so that the reagent bottle is retracted into the collecting hole 23 to ensure the stability during the moving process. Movement, the vertical direction of the abutting screw 25 is stabilized, so that it rotates, and the abutting support plate 26 is raised, and the reagent bottle is pushed out of the collection hole 23. work efficiency.

In a further optimized solution, the scale device includes a hinge shaft 29, a storage slot 30, a medical knowledge scale 31 and a centimeter scale 32;

The receiving slot 30 is opened on the side of the upper bottom plate 6, the two ends of the hinge shaft 29 are respectively fixed to the upper and lower walls of the receiving slot 30, the medical knowledge ruler 31 and the centimeter ruler 32 are respectively One end is rotatably connected with the hinge shaft 29 .

The arrangement of the storage slot 30 can store the medical knowledge ruler 31 and the centimeter ruler 32 when not in use to reduce the floor space. The overlapping hinge arrangement of the two rulers can enhance the flexibility in use and make them more targeted.

In a further optimized solution, the sliding device includes a first T-shaped groove 33, a first T-shaped block 34 and a positioning assembly;

The vertical sides of the fixing frame 2 are provided with the first T-shaped grooves 33 , and the first T-shaped blocks 34 are provided with four and are respectively provided on the four corners of the tray body 1 . The first T-shaped block 34 is slidably connected with the first T-shaped groove 33 , and the first T-shaped groove 33 and the first T-shaped block 34 are fixed in position by the positioning assembly.

To further optimize the solution, the positioning assembly includes a positioning hole 35 and a connecting hole 36;

The positioning holes 35 are opened on the first T-shaped block 34, and two connecting holes 36 are opened on the vertical sides of any of the fixing frames 2 along the vertical direction. The positioning holes 35 are fixed by bolts.

The positions of the tray body 1 and the fixing seat are fixed by bolts, so that the two states are more stable.

The arrangement of the storage slot 37 can increase the number of medical instruments carried by the tray body 1 and improve the transportation efficiency.

In a further optimized solution, the sliding joint assembly includes a second T-shaped groove 38 and a second T-shaped block 39; the second T-shaped groove 38 is opened on the bottom side of the tray body 1, and the second T-shaped block The bottom of 39 is fixedly connected with the top surface of the upper bottom plate 6 , and the top of the second T-shaped block 39 is slidingly connected with the second T-shaped groove 38 .

Example 2

9-10, in order to make the medical knowledge ruler 31 and the centimeter ruler 32 have a wider range of motion, in this embodiment, the above-mentioned hinge shaft 29 is replaced with a hinge ball 40 and a rotating rod, and the storage groove 30 has two upper and lower grooves. The walls are respectively provided with arc-shaped grooves, the hinge ball 40 is arranged in the two arc-shaped grooves, the hinge ball 40 is provided with a through groove, and the rotating rod is arranged in the through groove, and the medical knowledge scale 31 and one end of the centimeter ruler 32 are rotatably connected with the rotating rod.

Through the cooperation between the hinged ball 40 and the arc-shaped groove, the medical knowledge ruler 31 and the centimeter ruler 32 can obtain the degree of freedom in the vertical direction, so that the overall mobility is stronger and the adaptability is improved.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

The above-mentioned embodiments are only to describe the preferred modes of the present invention, but not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those of ordinary skill in the art can make various modifications to the technical solutions of the present invention. Variations and improvements should fall within the protection scope determined by the claims of the present invention.

Claims (1)

1. The utility model provides a take novel experiment tray of scale and function of making a video recording which characterized in that includes: the device comprises a tray body (1), a fixing frame (2), a sliding device, a pipe equipment collecting device, a pipe equipment temporary storage device, a reagent bottle collecting device, a camera device and a scale device;

the two sides of the tray body (1) are respectively provided with the fixed frames (2), and the fixed frames (2) are connected with the tray body (1) in a sliding mode through the sliding device;

the temporary storage device for the pipe-type equipment comprises a clamping and connecting plate (3) and a hinge rod (4); two sides of the clamping and connecting plate (3) are respectively hinged with one end of each of the two hinge rods (4), and the other end of each hinge rod (4) is hinged with the side face of the tray body (1);

the pipe equipment collecting device is arranged at the bottom of the tray body (1);

the reagent bottle collecting device is arranged on one side of the tray body (1);

the camera device is arranged on one side of the clamping and connecting plate (3) and is connected with the clamping and connecting plate (3) through threads;

the scale device is arranged on one side of the pipe equipment collecting device;

the pipe equipment collecting device comprises a lower bottom plate (5), an upper bottom plate (6), a sliding connection assembly, a pipette slot (7), a test tube slot (8) and a rubber pad (9); the two sides of the lower bottom plate (5) are fixedly connected with the bottoms of the two fixing frames (2) respectively, the top surface of the upper bottom plate (6) is in sliding connection with the bottom surface of the tray body (1) through a sliding connection assembly, a plurality of pipette slots (7) and test tube slots (8) are formed in the upper bottom plate (6) and the top surface of the lower bottom plate (5), the pipette slots (7) and the test tube slots (8) are arranged on the bottom surface of the upper bottom plate (6) and the top surface of the lower bottom plate (5) at intervals, and rubber pads (9) are arranged in the pipette slots (7) and the test tube slots (8);

the clamping plate (3) is provided with a threaded hole, a test tube hole (10) and a pipette hole (11);

the test tube holes (10) and the pipette holes (11) are respectively provided with a plurality of holes, the test tube holes (10) and the pipette holes (11) are respectively arranged on two sides of the top surface of the clamping and connecting plate (3), the threaded holes are arranged on the edge of the top surface of the clamping and connecting plate (3), and the camera device is connected with the clamping and connecting plate (3) through the threaded holes;

the camera device comprises a lifting threaded cylinder (12), a lifting screw (13), an extension screw (14), an extension threaded cylinder (15), an abutting block (16) and a clamping assembly;

the outer wall of the lifting threaded cylinder (12) is connected with the threaded hole through threads, the bottom surface of the lifting threaded cylinder (12) is fixedly connected with the top surface of the abutting block (16), the bottom surface of the abutting block (16) abuts against the top surface of the tray body (1), the outer wall of the lifting screw (13) is connected with the inner wall of the lifting threaded cylinder (12) through threads, the top of the lifting screw (13) is hinged with one end of the extension screw (14), the outer wall of the other end of the extension screw (14) is connected with the inner wall of the extension threaded cylinder (15) through threads, and the clamping assembly is fixedly connected with the side surface of the extension threaded cylinder (15);

the clamping assembly comprises a clamping plate (17), a butt plate (18), a limiting plate (19), a limiting screw (20), a limiting ring (21) and a limiting bearing (22);

the two abutting plates (18) are fixedly connected with two sides of the clamping plate (17) respectively, one side face of one abutting plate (18) is fixedly connected with the extending thread cylinder (15), one end of a limiting screw (20) penetrates through the other abutting plate (18) and is in threaded connection with the abutting plate (18), the side face of a limiting plate (19) is fixedly connected with a limiting ring (21), a limiting bearing (22) is arranged in the limiting ring (21), and the other end of the limiting screw (20) is fixedly connected with the inner wall of the limiting bearing (22);

the reagent bottle collecting device comprises a collecting hole (23), an abutting bearing (24), an abutting screw rod (25), an abutting support plate (26), an abutting shaft sleeve (27) and an abutting threaded cylinder (28);

the collecting holes (23) are formed in the top surface of the tray body (1), the other side of the top surface of the tray body (1) is provided with a storage groove (37), the abutting bearings (24) are provided with a plurality of abutting bearings and embedded in the bottom surface of the tray body (1), the abutting threaded cylinders (28) are provided with a plurality of abutting threaded cylinders and embedded in the top surface of the lower bottom plate (5), and the abutting bearings (24) correspond to the abutting threaded cylinders (28); the abutting screw rods (25) are provided with a plurality of abutting screw rods, one ends of the abutting screw rods (25) are fixedly connected with the inner wall of the abutting bearing (24), the other ends of the abutting screw rods (25) are in threaded connection with the inner wall of the abutting threaded cylinder (28), the abutting support plates (26) are sleeved on the plurality of abutting screw rods (25), and the abutting screw rods (25) are connected with the abutting support plates (26) through the abutting shaft sleeves (27);

the scale device comprises a hinge shaft (29), a containing groove (30), a medical knowledge scale (31) and a centimeter scale (32);

the accommodating groove (30) is formed in the side face of the upper bottom plate (6), two ends of the hinge shaft (29) are fixedly connected with the upper groove wall and the lower groove wall of the accommodating groove (30) respectively, and one ends of the medical knowledge scale (31) and the centimeter scale (32) are rotatably connected with the hinge shaft (29);

the sliding device comprises a first T-shaped groove (33), a first T-shaped block (34) and a positioning component;

the vertical edges of the fixing frame (2) are provided with the first T-shaped grooves (33), the number of the first T-shaped blocks (34) is four, the first T-shaped blocks (34) are respectively arranged at four corners of the tray body (1), the first T-shaped blocks (34) are connected with the first T-shaped grooves (33) in a sliding mode, and the first T-shaped grooves (33) and the first T-shaped blocks (34) are fixed in positions through the positioning assemblies;

the positioning assembly comprises a positioning hole (35) and a connecting hole (36);

the positioning holes (35) are formed in the first T-shaped block (34), two connecting holes (36) are formed in the vertical direction of the vertical edge of any one fixing frame (2), and the connecting holes (36) are fixed with the positioning holes (35) through bolts;

the sliding connection assembly comprises a second T-shaped groove (38) and a second T-shaped block (39); the second T-shaped groove (38) is formed in one side of the bottom surface of the tray body (1), the bottom of the second T-shaped block (39) is fixedly connected with the top surface of the upper bottom plate (6), and the top of the second T-shaped block (39) is connected with the second T-shaped groove (38) in a sliding mode.

Images