Pharmaceutical experiment sampling tool

Abstract

The utility model discloses a pharmaceutical experiment sampling tool, relates to pharmaceutical experiment field, including fixed cylinder, piston block and fixed frame, the front side of fixed cylinder is fixedly connected with feed pipe, and the end of feed pipe is equipped with feed subassembly, and feed subassembly includes fixed pipe, strainer, first seal ring, second seal ring and fixed ring. According to the sampling tool for the pharmaceutical experiment, by arranging the feeding assembly and the sampling assembly, when the sampling tool is used in the pharmaceutical experiment process, a worker can conveniently adjust the sampling depth, neatness in the sampling process is guaranteed, and the situation that large impurities enter the tool and are inconvenient to discharge is avoided; the sampling tool is simple in structure and convenient to use, leakage in the subsequent sampling process is avoided, it is guaranteed that the sampling tool is used smoothly, meanwhile, manual sampling treatment is avoided, the accuracy of the sampling capacity is improved, the working efficiency of workers is improved, and the workers can conveniently use the pharmaceutical experiment sampling tool.

Description

Technical Field

[0001] The utility model relates to the field of pharmaceutical experiments, and particularly relates to a sampling tool for pharmaceutical experiments. Background Technique

[0002] Pharmaceutical experiments mainly involve the research on the efficacy and safety of drugs. The effects and safety of drugs are verified through clinical experiments, including systematic research on humans to confirm or discover the effects, adverse reactions, and absorption, distribution, metabolism, and excretion of the test drugs in terms of clinical, pharmacological, and other pharmacodynamic aspects, so as to determine the safety and effectiveness of the drugs. During the process of pharmaceutical experiments, the staff is involved in the use of sampling tools.

[0003] However, there are still some deficiencies in the current sampling tools. For example, a sampling tool for pharmaceutical experiments with the application number 202222327710.8 has not been comprehensively considered in terms of the feeding structure of the sampling tool. When using the sampling tool during pharmaceutical experiments, if the feeding structure of the sampling tool is not comprehensively considered, it is not convenient for the staff to adjust the sampling depth, which makes it impossible to ensure the cleanliness during the sampling process. Moreover, the connection between the structures is not tight, and leakage may occur during subsequent sampling, which is not convenient for the staff to use the sampling tool for pharmaceutical experiments.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model researches and improves the existing structure and deficiencies, and provides a sampling tool for pharmaceutical experiments. Content of the Utility Model

[0005] The purpose of the utility model is to provide a sampling tool for pharmaceutical experiments to solve the problems put forward in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A sampling tool for pharmaceutical experiments, including a fixed cylinder, a piston block, and a fixed frame. The front side of the fixed cylinder is fixedly connected with a feeding pipe, and a feeding component is arranged at the end of the feeding pipe. The feeding component includes a fixed pipe, a filter screen, a first sealing ring, a second sealing ring, and a fixing ring. The piston block is arranged inside the fixed cylinder, and a connecting rod is welded to the center of one side of the piston block. A cylindrical block is welded to the end of the connecting rod. The fixed frame is fixedly connected to the outer wall of the rear side of the fixed cylinder, and a sampling component is arranged inside the fixed frame. The sampling component includes a driving motor, a rotating rod, a first sprocket, a connecting belt, a second sprocket, and a limiting member.

[0007] Furthermore, the inner wall of the end of the fixed pipe is provided with threads, and the fixed pipe is rotationally connected to the end of the feeding pipe through the threads. A filter screen is arranged at the connection between the fixed pipe and the feeding pipe.

[0008] Furthermore, the filter screen is of an annular structure, and first sealing rings are arranged on both sides of the filter screen, and the sides of the first sealing rings are in close contact with the fixed pipe and the feeding pipe respectively.

[0009] Furthermore, a second sealing ring is arranged at the connection between the fixed pipe and the feeding pipe, and fixing rings are fixedly connected to the outer walls of the fixed pipe and the feeding pipe, and bolts are arranged inside the fixing rings, and the fixing rings are fixedly connected by the bolts.

[0010] Furthermore, a limiting groove is formed in the outer wall of the connecting rod, and a limiting block is welded to the inner wall of the rear end of the fixed cylinder, and the limiting block is in clamping and sliding connection with the connecting rod through the limiting groove, and a ventilation hole is formed in the rear end of the fixed cylinder.

[0011] Furthermore, the driving motor is arranged on the outside of the fixed cylinder, and the output shaft of the driving motor is fixedly connected with a rotating rod through a coupling, and the end of the rotating rod is in limited rotation connection with the fixed frame, and a first sprocket is fixedly connected to the outer wall of the rotating rod.

[0012] Furthermore, a connecting belt is rotatably connected to the outside of the first sprocket, and the first sprocket is rotatably connected to a second sprocket through the connecting belt, and a limiting member is welded to the rear side of the second sprocket, and the limiting member is in clamping and rotation connection with the fixed cylinder.

[0013] Furthermore, an internal thread is formed in the central inner wall of the second sprocket, and an external thread is formed in the outer wall of the connecting rod, and the second sprocket is rotationally connected to the connecting rod through the internal thread and the external thread.

[0014] The utility model provides a sampling tool for pharmaceutical experiments, which has the following beneficial effects:

[0015] 1. The utility model is provided with a feeding component. When the sampling tool is used in the process of pharmaceutical experiments, the fixed pipe is rotationally connected to the end of the feeding pipe by using a thread, and the filter screen is arranged at the connection between the fixed pipe and the feeding pipe, which is convenient for the staff to adjust the sampling depth, ensures the cleanliness during the sampling process, filters larger impurities, avoids larger impurities from entering the tool and being inconvenient to discharge, and makes the connection between the structures tight, avoiding leakage during the subsequent sampling process, ensuring the smooth use of the sampling tool, and being convenient for the staff to use the sampling tool for pharmaceutical experiments.

[0016] 2. The utility model is provided with a sampling component. When the sampling tool is used in the process of pharmaceutical experiments, by using the rotation of the second sprocket, the connecting rod is telescoped from the fixed cylinder, and then sampling is carried out. The structure is simple, manual sampling is avoided, the accuracy of the sampling volume is improved, the workload of the staff is reduced, the work efficiency of the staff is improved, and it is convenient for the staff to use the sampling tool for pharmaceutical experiments. Brief Description of the Drawings

[0017] Figure 1 This is a three-dimensional sectional structure schematic diagram of a sampling tool for pharmaceutical experiments of the present utility model;

[0018] Figure 2 This is a three-dimensional external structure schematic diagram of a sampling tool for pharmaceutical experiments of the present utility model;

[0019] Figure 3 This is a three-dimensional sectional structure schematic diagram of the feeding tube - feeding assembly of a sampling tool for pharmaceutical experiments of the present utility model;

[0020] Figure 4 This is a three-dimensional structure schematic diagram of the sampling assembly of a sampling tool for pharmaceutical experiments of the present utility model.

[0021] In the figure: 1, fixed cylinder; 2, feeding tube; 3, feeding assembly; 301, fixed tube; 302, filter screen; 303, first sealing ring; 304, second sealing ring; 305, fixed ring; 4, piston block; 5, connecting rod; 6, cylindrical block; 7, limiting block; 8, fixed frame; 9, sampling assembly; 901, driving motor; 902, rotating rod; 903, first sprocket; 904, connecting belt; 905, second sprocket; 906, limiting member. Detailed Embodiment

[0022] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0023] As Figures 1 - 3 shown, a sampling tool for pharmaceutical experiments includes a fixed cylinder 1, a piston block 4, and a fixed frame 8. The front side of the fixed cylinder 1 is fixedly connected with a feeding tube 2, and a feeding assembly 3 is arranged at the end of the feeding tube 2. The feeding assembly 3 includes a fixed tube 301, a filter screen 302, a first sealing ring 303, a second sealing ring 304, and a fixed ring 305. The inner wall of the end of the fixed tube 301 is provided with threads, and the fixed tube 301 is rotationally connected to the end of the feeding tube 2 through the threads. A filter screen 302 is arranged at the connection between the fixed tube 301 and the feeding tube 2. The filter screen 302 is of a ring structure, and first sealing rings 303 are arranged on both sides of the filter screen 302. The sides of the first sealing rings 303 are in close contact with the fixed tube 301 and the feeding tube 2 respectively. A second sealing ring 304 is arranged at the connection between the fixed tube 301 and the feeding tube 2. Fixed rings 305 are fixedly connected to the outer walls of both the fixed tube 301 and the feeding tube 2. Bolts are arranged inside the fixed rings 305, and the fixed rings 305 are fixedly connected through the bolts;

[0024] The specific operation is as follows. The staff can install the feeding component 3 at the front end of the feeding pipe 2 according to actual needs. The staff sequentially place the first sealing ring 303, the filter screen 302, and the first sealing ring 303 inside the fixing pipe 301, and then rotatably connect the fixing pipe 301 to the end of the feeding pipe 2 by using threads, so that the first sealing ring 303 is in close contact with the fixing pipe 301 and the feeding pipe 2 respectively. Furthermore, the filter screen 302 is arranged at the connection between the fixing pipe 301 and the feeding pipe 2, and the second sealing ring 304 arranged outside the connection between the fixing pipe 301 and the feeding pipe 2 also gradually comes into close contact. Finally, the staff fix the fixing rings 305 fixedly connected to the outer walls of the fixing pipe 301 and the feeding pipe 2 by using bolts, avoiding leakage during subsequent sampling, facilitating the staff to adjust the sampling depth, and preventing larger impurities from entering the tool and being difficult to discharge, which is convenient for the staff to use the pharmaceutical experiment sampling tool.

[0025] As Figure 1 , Figure 2 and Figure 4 shown, the piston block 4 is arranged inside the fixing cylinder 1, and a connecting rod 5 is welded to the center of one side of the piston block 4. Moreover, a cylindrical block 6 is welded to the end of the connecting rod 5. A limiting groove is provided on the outer wall of the connecting rod 5, and a limiting block 7 is welded to the inner wall of the rear end of the fixing cylinder 1. And the limiting block 7 is engaged and slidably connected to the connecting rod 5 through the limiting groove. Moreover, a ventilation hole is provided at the rear end of the fixing cylinder 1. The ventilation hole is provided to prevent the rear section of the fixing cylinder 1 from being sealed. When the piston block 4 moves, if the rear section of the fixing cylinder 1 is sealed, it will cause the pressure inside the rear section of the fixing cylinder 1 to change, hindering the movement of the piston block 4. Therefore, the setting of the ventilation hole can ensure that the movement of the piston block 4 during sampling is smoother and ensure the smooth progress of the sampling process. The fixing frame 8 is fixedly connected to the outer wall of the rear side of the fixing cylinder 1, and a sampling component 9 is arranged inside the fixing frame 8. Moreover, the sampling component 9 includes a driving motor 901, a rotating rod 902, a first sprocket 903, a connecting belt 904, a second sprocket 905, and a limiting member 906. The driving motor 901 is arranged outside the fixing cylinder 1, and the output shaft of the driving motor 901 is fixedly connected to the rotating rod 902 through a coupling. And the end of the rotating rod 902 is rotationally connected to the fixing frame 8 with limited movement. Moreover, the first sprocket 903 is fixedly connected to the outer wall of the rotating rod 902. The first sprocket 903 is rotatably connected to the outside of the connecting belt 904. And the first sprocket 903 is rotationally connected to the second sprocket 905 through the connecting belt 904. Moreover, the limiting member 906 is welded to the rear side of the second sprocket 905. And the limiting member 906 is rotationally connected to the fixing cylinder 1 in an engaged manner. An internal thread is provided on the inner wall of the center of the second sprocket 905, and an external thread is provided on the outer wall of the connecting rod 5. And the second sprocket 905 is rotationally connected to the connecting rod 5 through the internal thread and the external thread;

[0026] The specific operation is as follows. The staff uses the sampling component 9 for sampling. The driving motor 901 drives the rotating rod 902 to rotate, causing the first sprocket 903 fixedly connected to the outer wall of the rotating rod 902 to rotate accordingly. Under the action of the connecting belt 904, the second sprocket 905 rotates. Then, by using the internal thread formed on the inner wall of the center of the second sprocket 905 and the external thread formed on the outer wall of the connecting rod 5, the connecting rod 5 moves along with the rotation of the second sprocket 905. Under the action of the limiting block 7 welded to the inner wall of the rear end of the fixed cylinder 1, it does not rotate along with it, and gradually the connecting rod 5 extends and retracts from the fixed cylinder 1, so that the piston block 4 welded to the connecting rod 5 moves inside the fixed cylinder 1, thereby performing sampling. The structure is simple, reducing the workload of the staff, improving the work efficiency of the staff, and facilitating the staff to use the sampling tool for pharmaceutical experiments.

[0027] In summary, for this sampling tool for pharmaceutical experiments, according to Figures 1 - 4 the structure shown in, when using the sampling tool during the pharmaceutical experiment process, first, the staff can install the feeding component 3 at the front end of the feeding pipe 2 according to actual needs. The staff sequentially places the first sealing ring 303, the filter screen 302, and the first sealing ring 303 inside the fixed pipe 301, and then rotates and connects the fixed pipe 301 to the end of the feeding pipe 2 by using threads, so that the first sealing ring 303 is in close contact with the fixed pipe 301 and the feeding pipe 2 respectively, and thus the filter screen 302 is arranged at the connection between the fixed pipe 301 and the feeding pipe 2. Moreover, the second sealing ring 304 arranged outside the connection between the fixed pipe 301 and the feeding pipe 2 also gradually comes into close contact. Finally, the staff fixes the fixed rings 305 fixedly connected to the outer walls of the fixed pipe 301 and the feeding pipe 2 by using bolts. The staff uses the sampling component 9 for sampling. The driving motor 901 drives the rotating rod 902 to rotate, causing the first sprocket 903 fixedly connected to the outer wall of the rotating rod 902 to rotate accordingly. Under the action of the connecting belt 904, the second sprocket 905 rotates. Then, by using the internal thread formed on the inner wall of the center of the second sprocket 905 and the external thread formed on the outer wall of the connecting rod 5, the connecting rod 5 moves along with the rotation of the second sprocket 905. Under the action of the limiting block 7 welded to the inner wall of the rear end of the fixed cylinder 1, it does not rotate along with it, and gradually the connecting rod 5 extends and retracts from the fixed cylinder 1, so that the piston block 4 welded to the connecting rod 5 moves inside the fixed cylinder 1, thereby performing sampling. The structure is simple and facilitates the staff to use the sampling tool for pharmaceutical experiments.

[0028] The embodiments of the present utility model are given for purposes of illustration and description, and are not exhaustive or limit the present utility model to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles of the present utility model and its practical applications, and to enable those of ordinary skill in the art to understand the present utility model so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A pharmaceutical experiment sampling tool, comprising a fixed cylinder (1), a piston block (4) and a fixed frame (8), characterized in that, The front side of the fixed cylinder (1) is fixedly connected with a feeding pipe (2), and a feeding component (3) is arranged at the end of the feeding pipe (2). Moreover, the feeding component (3) includes a fixed pipe (301), a filter screen (302), a first sealing ring (303), a second sealing ring (304) and a fixing ring (305). The piston block (4) is arranged inside the fixed cylinder (1), and a connecting rod (5) is welded to the center of one side of the piston block (4). Moreover, a cylindrical block (6) is welded to the end of the connecting rod (5). The fixed frame (8) is fixedly connected to the outer wall at the rear side of the fixed cylinder (1), and a sampling component (9) is arranged inside the fixed frame (8). Moreover, the sampling component (9) includes a driving motor (901), a rotating rod (902), a first sprocket (903), a connecting belt (904), a second sprocket (905) and a limiting member (906).

2. The sampling tool for pharmaceutical experiments according to claim 1, wherein Internal threads are provided on the inner wall of the end of the fixed pipe (301), and the fixed pipe (301) is rotationally connected to the end of the feeding pipe (2) through the threads. Moreover, a filter screen (302) is arranged at the connection between the fixed pipe (301) and the feeding pipe (2).

3. A pharmaceutical experiment sampling tool according to claim 1, characterized in that, The filter screen (302) is of an annular structure, and first sealing rings (303) are arranged on both sides of the filter screen (302). Moreover, the sides of the first sealing rings (303) are in close contact with the fixed pipe (301) and the feeding pipe (2) respectively.

4. A pharmaceutical experiment sampling tool according to claim 1, characterized in that, A second sealing ring (304) is arranged at the connection between the fixed pipe (301) and the feeding pipe (2). Moreover, fixing rings (305) are fixedly connected to the outer walls of the fixed pipe (301) and the feeding pipe (2). Bolts are arranged inside the fixing rings (305), and the fixing rings (305) are fixedly connected through the bolts.

5. A pharmaceutical experiment sampling tool according to claim 1, characterized in that, A limiting groove is provided on the outer wall of the connecting rod (5), and a limiting block (7) is welded to the inner wall at the rear end of the fixed cylinder (1). Moreover, the limiting block (7) is in snap-fit sliding connection with the connecting rod (5) through the limiting groove, and a ventilation hole is provided at the rear end of the fixed cylinder (1).

6. The pharmaceutical experiment sampling tool according to claim 1, characterized in that, The driving motor (901) is arranged outside the fixed cylinder (1), and the output shaft of the driving motor (901) is fixedly connected with a rotating rod (902) through a coupling. Moreover, the end of the rotating rod (902) is in limiting rotational connection with the fixed frame (8), and a first sprocket (903) is fixedly connected to the outer wall of the rotating rod (902).

7. A pharmaceutical experiment sampling tool according to claim 1, characterized in that, A connecting belt (904) is rotationally connected to the outside of the first sprocket (903). Moreover, the first sprocket (903) is rotationally connected with a second sprocket (905) through the connecting belt (904). A limiting member (906) is welded to the rear side of the second sprocket (905). Moreover, the limiting member (906) is in snap-fit rotational connection with the fixed cylinder (1).

8. A pharmaceutical experiment sampling tool according to claim 1, characterized in that, Internal threads are provided on the inner wall of the center of the second sprocket (905), and external threads are provided on the outer wall of the connecting rod (5). Moreover, the second sprocket (905) is rotationally connected with the connecting rod (5) through the internal threads and the external threads.

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