Drug storage apparatus having classification function

By designing a spiral spring that works in conjunction with an adjusting shaft to drive the adjusting plate to tilt and the extension plate to move backward, the problem of drug mixing and contamination in traditional drug storage equipment is solved. This enables the rapid and convenient retrieval and classification management of drugs, ensuring the cleanliness and safety of the drugs.

WO2026148594A1PCT designated stage Publication Date: 2026-07-16JIANGSU PROVINCIAL CANCER HOSPITAL

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
JIANGSU PROVINCIAL CANCER HOSPITAL
Filing Date
2025-01-10
Publication Date
2026-07-16

AI Technical Summary

Technical Problem

Traditional drug storage methods lack classification capabilities, resulting in a mixture of drugs, making it difficult to quickly locate the required drug, and drugs are prone to sticking together or contaminating each other, affecting cleanliness and health safety.

Method used

Design a drug storage device with classification function. Through the cooperation of spiral spring and adjusting shaft, the adjusting plate is driven to tilt. Multiple sets of extension springs work together to move the L-shaped extension plate backward to ensure that the drugs slide smoothly. The guide port can be opened independently to avoid contamination caused by full opening.

Benefits of technology

It enables rapid and convenient retrieval and effective classification and management of drugs, avoids drug contamination, and improves operational fluency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

A drug storage apparatus having a classification function, comprising a support bracket (1), a storage cabinet (2), a storage groove (3), a storage box (4), an adjustment plate (5), an adjustment shaft (6), an adjustment hole (7), a spiral spring (8), an adjustment handle (9), a drug guide frame (10), a material guide port (11), L-shaped extension plates (12), extension springs (13), an adjustment groove (14), a sliding assembly, a restoring assembly, a guide assembly, and an opening and closing assembly, wherein the adjustment plate (5) is provided inside the storage box (4), the adjustment shaft (6) is provided inside one end of the adjustment plate (5), the extension springs (13) are arranged at the other end of the adjustment plate (5), a plurality of groups of extension springs (13) are provided, the L-shaped extension plate (12) is provided at one end of the extension springs (13), and the adjustment groove (14) is provided on one side of the storage box (4). During use of the drug storage apparatus, when the adjustment plate (5) is inclined, an upper edge of the opening and closing assembly can be abutted and squeezed by a lower edge of the front end of the drug guide frame (10), such that drugs can smoothly slide out along the drug guide frame (10), thereby avoiding drug contamination that may be caused by fully opening the storage box (4), and achieving rapid and convenient removal and effective classification and management of the drugs.
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Description

A drug storage device with classification function Technical Field

[0001] This utility model relates to the field of drug storage equipment technology, and in particular to a drug storage equipment with a classification function. Background Technology

[0002] In modern healthcare systems, the management and distribution of medications are crucial for ensuring patient treatment outcomes and safety. With advancements in medical technology and the increasing variety of medications, the demand for medication storage in medical institutions and individual households is also growing.

[0003] In practical use, traditional drug storage methods, such as simple medicine boxes or drawers, often present many inconveniences. These storage methods usually lack classification functions, resulting in drugs being mixed together and making it difficult to quickly locate the required drug. At the same time, during the drug retrieval process, due to the close contact between drugs, they are prone to sticking or cross-contamination, which not only affects the cleanliness and effectiveness of the drugs, but may also pose a potential threat to the patient's health. Therefore, improvements are urgently needed to address the problem of inconvenience in quickly and conveniently retrieving and effectively classifying and managing drugs.

[0004] Therefore, to address the aforementioned issues of inconvenience in quickly and conveniently retrieving and effectively classifying medications, a medication storage device with classification functions can be designed. When a specific medication needs to be retrieved, the user simply operates the adjustment handle. This action, through the precise coordination of the spiral spring and the adjustment shaft, drives one end of the adjustment plate downwards. Simultaneously, multiple sets of extension springs work in conjunction with the L-shaped extension plate to quickly move backwards, effectively preventing medication adhesion and ensuring smooth medication sliding. When the adjustment plate is tilted, the lower edge of the front end of the medication guide rack presses against the upper edge of the opening and closing component, thereby opening the guide port and allowing the medication to slide smoothly out along the medication guide rack. This avoids potential medication contamination that might occur if the storage box is fully opened, achieving quick and convenient retrieval and effective classification management of medications. After retrieving the medication, the user simply releases the adjustment handle, and the spiral spring, utilizing its elastic deformation to generate a strong rebound force, quickly drives the adjustment plate back to its original position via the adjustment shaft. The entire operation process is smooth and natural.

[0005] Utility Model Content

[0006] To address the inconveniences of traditional drug storage methods, such as simple medicine boxes or drawers, which often lack categorization capabilities, leading to mixed medications and difficulty in quickly locating the required drug, and the close contact between medications during retrieval, which can cause adhesion or cross-contamination, affecting not only the cleanliness and effectiveness of the medications but also potentially posing a threat to patients' health, improvements are urgently needed to address the problem of inconvenience in quickly and easily retrieving and effectively categorizing and managing medications.

[0007] The technical solution of this utility model is as follows: a drug storage device with classification function, including a support bracket, a storage cabinet, a storage slot, a storage box, an adjusting plate, an adjusting shaft, an adjusting hole, a spiral spring, an adjusting handle, a drug guide rack, a material guide port, an L-shaped extension plate, an extension spring, an adjusting slot, a sliding assembly, a reset assembly, a guiding assembly, and an opening and closing assembly; a storage cabinet is arranged above the support bracket, and the storage cabinet has multiple storage slots inside. A storage box is arranged inside each storage slot. Adjusting holes are opened on both inner walls of the storage box, and adjusting shafts are arranged inside the adjusting holes. Spiral springs are arranged inside the adjusting holes, with one end of the spiral spring fixedly connected to the inner wall of the adjusting hole and the other end fixedly connected to one end of the adjusting shaft. The inner wall of the storage box... The storage box is equipped with an adjustment plate, with an adjustment shaft located inside one end of the adjustment plate. An extension spring is located at the other end of the adjustment plate, and multiple sets of extension springs are provided. One end of each extension spring has an L-shaped extension plate. An adjustment groove is located on one side of the storage box, and an adjustment handle is located inside the groove. Both ends of the adjustment handle are fixedly connected to the side walls of the adjustment shaft. A guide frame is located above one end of the adjustment plate. A guide port is located on one side of the storage box. Two sets of sliding components are located on both sides of the inner wall of the storage groove, and these two sets of sliding components are fixedly connected to the inner walls of both sides of the storage box. A reset component is located inside each sliding component. Two sets of guide components are located on one side of the storage box, and an opening and closing component is located inside the guide port. Both sides of the opening and closing component are fixedly connected to the side walls of the two sets of guide components.

[0008] Preferably, during use, the drug storage device is based on a support frame with a stable storage cabinet on top. The cabinet is cleverly designed with multiple storage slots, each equipped with an independent storage box for categorized drug storage. When a specific drug needs to be retrieved, the user simply operates the adjustment handle. This action, through the precise coordination of a spiral spring and an adjustment shaft, drives one end of the adjustment plate downwards. Simultaneously, multiple extension springs work in conjunction with the L-shaped extension plate to quickly move backwards, effectively preventing drug adhesion and ensuring smooth drug sliding. When the adjustment plate is tilted, the lower edge of the guide rack presses against the upper edge of the opening and closing component, opening the guide port and allowing the drug to slide smoothly out along the guide rack. This avoids potential drug contamination from fully opening the storage box, achieving quick and convenient drug retrieval and effective categorized management. After retrieval, the user simply releases the adjustment handle, and the spiral spring, utilizing its elastic deformation, generates a strong rebound force, quickly resetting the adjustment plate via the adjustment shaft. The entire operation is smooth and natural.

[0009] Preferably, the sliding assembly includes a sliding groove and a sliding rod; the inner wall of the storage groove is provided with a sliding groove, and two sets of sliding grooves are provided, with a sliding rod disposed inside the sliding groove.

[0010] Preferably, the sliding assembly also includes a sliding block; the sliding block is provided on the side wall of the sliding rod, the sliding block is slidably connected to the sliding rod, and the sliding block is disposed inside the sliding groove.

[0011] Preferably, the reset assembly includes a sliding spring; a sliding spring is provided on the outside of the sliding rod, one end of the sliding spring is fixedly connected to the inner wall of the sliding groove, the other end of the sliding spring is fixedly connected to the inner wall of the sliding block, and both sides of the storage box are fixedly connected to the side walls of the two sets of sliding blocks.

[0012] Preferably, the adjustment assembly includes a guide groove, a guide rod, and a guide block; a guide groove is provided on one side of the storage box, and two sets of guide grooves are provided. A guide rod is provided inside the guide groove, and a guide block is provided on the side wall of the guide rod. The guide block is guided and connected to the guide rod.

[0013] Preferably, the adjustment assembly also includes a guide spring; a guide spring is provided on the outside of the guide rod, one end of the guide spring is fixedly connected to the inner wall of the guide groove, and the other end of the guide spring is fixedly connected to the inner wall of the guide block.

[0014] Preferably, the opening and closing assembly includes a connecting rod and an L-shaped opening and closing door; the inside of the drug delivery port is provided with an L-shaped opening and closing door, and two sets of connecting rods are provided on both sides of the L-shaped opening and closing door, with one end of the connecting rod fixedly connected to the side wall of the guide block.

[0015] The beneficial effects of this utility model are:

[0016] During use, the drug storage equipment is based on a support frame with a stable storage cabinet on top. The cabinet cleverly incorporates multiple storage slots, each equipped with an independent storage box for categorized drug storage. When a specific drug needs to be retrieved, the user simply operates the adjustment handle. This action, through the precise coordination of a spiral spring and an adjustment shaft, drives one end of the adjustment plate downwards. Simultaneously, multiple extension springs work in conjunction with the L-shaped extension plate to quickly move backwards, effectively preventing drug adhesion and ensuring smooth drug sliding. When the adjustment plate tilts, the lower edge of the guide rack presses against the upper edge of the opening and closing component, opening the guide port and allowing the drug to slide smoothly out along the guide rack. This avoids potential drug contamination from fully opening the storage box, achieving quick and convenient drug retrieval and effective categorized management. After retrieval, the user simply releases the adjustment handle, and the spiral spring, utilizing its elastic deformation, generates a powerful rebound force, quickly resetting the adjustment plate via the adjustment shaft. The entire operation is smooth and natural. Attached Figure Description

[0017] Figure 1 shows a first three-dimensional structural schematic diagram of a drug storage device with classification function according to the present invention;

[0018] Figure 2 shows a partial three-dimensional structural diagram of a drug storage device with classification function according to the present invention;

[0019] Figure 3 shows a partial three-dimensional structural diagram of a drug storage device with classification function according to the present invention;

[0020] Figure 4 shows a three-dimensional structural diagram of a third part of a drug storage device with a classification function according to this utility model.

[0021] Figure 5 shows a partial three-dimensional structural diagram of a drug storage device with classification function according to this utility model;

[0022] Explanation of reference numerals in the attached drawings: 1. Support bracket; 2. Storage cabinet; 3. Storage slot; 4. Storage box; 5. Adjusting plate; 6. Adjusting shaft; 7. Adjusting hole; 8. Scroll spring; 9. Adjusting handle; 10. Medicine guide rack; 11. Material guide port; 12. L-shaped extension plate; 13. Extension spring; 14. Adjusting slot; 101. Sliding slot; 102. Sliding rod; 103. Sliding block; 201. Sliding spring; 301. Guide slot; 302. Guide rod; 303. Guide block; 304. Guide spring; 401. Connecting rod; 402. L-shaped opening and closing door.

[0023] Specific implementation party

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Please refer to Figures 1-5. This utility model provides an embodiment: a drug storage device with classification function, including a support bracket 1, a storage cabinet 2, a storage slot 3, a storage box 4, an adjusting plate 5, an adjusting shaft 6, an adjusting hole 7, a spiral spring 8, an adjusting handle 9, a drug guide rack 10, a guide port 11, an L-shaped extension plate 12, an extension spring 13, an adjusting slot 14, a sliding assembly, a reset assembly, a guiding assembly, and an opening and closing assembly; the storage cabinet 2 is arranged above the support bracket 1, and the storage cabinet 2 has storage slots 3 inside. Multiple sets of storage slots 3 are provided, and storage boxes 4 are arranged inside the storage slots 3. Adjusting holes 7 are opened on both inner walls of the storage boxes 4. Adjusting shafts 6 are arranged inside the adjusting holes 7, and spiral springs 8 are arranged inside the adjusting holes 7. One end of the spiral spring 8 is fixedly connected to the inner wall of the adjusting hole 7, and the other end of the spiral spring 8 is connected to one end of the adjusting shaft 6. The storage box 4 is fixedly connected. An adjustment plate 5 is provided inside the storage box 4. An adjustment shaft 6 is located inside one end of the adjustment plate 5. An extension spring 13 is provided at the other end of the adjustment plate 5. Multiple sets of extension springs 13 are provided. An L-shaped extension plate 12 is provided at one end of the extension spring 13. An adjustment groove 14 is provided on one side of the storage box 4. An adjustment handle 9 is provided inside the adjustment groove 14. Both ends of the adjustment handle 9 are fixedly connected to the side walls of the two ends of the adjustment shaft 6. A guide frame is provided above one end of the adjustment plate 5. A guide port 11 is provided on one side of the storage box 4. Two sets of sliding components are provided on both sides of the inner wall of the storage groove 3. The two sets of sliding components are fixedly connected to the inner walls of both sides of the storage box. A reset component is provided inside the sliding component. Two sets of guide components are provided on one side of the storage box 4. An opening and closing component is provided inside the guide port. Both sides of the opening and closing component are fixedly connected to the side walls of the two sets of guide components.

[0026] Please refer to Figure 2. The sliding assembly includes a sliding groove 101 and a sliding rod 102. The inner wall of the storage slot 3 has two sets of sliding grooves 101, and the sliding rod 102 is disposed inside the sliding groove 101. The sliding groove 101 and the sliding rod 102 provide a guiding sliding function. The sliding assembly also includes a sliding block 103. The sliding block 103 is disposed on the side wall of the sliding rod 102, and is slidably connected to the sliding rod 102. The sliding block 103 is disposed inside the sliding groove 101. When the adjusting handle 9 is manually pulled outwards, the storage box 4 moves under the guidance of the sliding assembly. The storage box 4 slides smoothly along the sliding rod 102 via the sliding blocks 103 on both sides; the reset assembly includes a sliding spring 201; the sliding rod 102 is provided with a sliding spring 201 on the outside, one end of the sliding spring 201 is fixedly connected to the inner wall of the sliding groove 101, and the other end of the sliding spring 201 is fixedly connected to the inner wall of the sliding block 103. Both sides of the storage box 4 are fixedly connected to the side walls of the two sets of sliding blocks 103; the sliding spring 201 maintains tension, which facilitates the automatic closing of the storage box 4. This design not only improves the smoothness of opening and closing of the storage box 4, but also ensures the stability and durability of the equipment operation.

[0027] Please refer to Figures 3-5. In this embodiment, the adjustment assembly includes a guide groove 301, a guide rod 302, and a guide block 303. A guide groove 301 is provided on one side of the storage box 4. Two sets of guide grooves 301 are provided. A guide rod 302 is disposed inside the guide groove 301, and a guide block 303 is disposed on the side wall of the guide rod 302. The guide block 303 is guided and connected to the guide rod 302. When the opening and closing assembly is adjusted, it can drive the guide blocks 303 on both sides to slide through the guide rods 302. The adjustment assembly also includes a guide spring 304. A guide spring 304 is disposed outside the guide rod 302. One end of the guide spring 304 is fixedly connected to the inner wall of the guide groove 301, and the other end of the guide spring 304 is fixedly connected to the inner wall of the guide block 303. The guide spring 304 pushes the guide block 303 back to its original position by its own elasticity, thereby driving the opening and closing assembly to close the feed inlet 11 and restore the sealed state of the storage box 4. The opening and closing assembly includes a connecting rod 401 and an L-shaped... An L-shaped opening / closing door 402 is provided inside the drug delivery port. Two sets of connecting rods 401 are provided on both sides of the L-shaped opening / closing door 402. One end of each connecting rod 401 is fixedly connected to the side wall of the guide block 303. When the adjusting plate 5 tilts due to the operation of the adjusting handle 9, the lower edge of the front end of the drug delivery rack 10 will abut against and press against the upper edge of the L-shaped opening / closing door 402. This action is then transmitted to the guide block 303 through the connecting rods 401, causing it to move downwards along the guide rods 302. The guide spring 3... 04 As compression occurs, during this process, the L-shaped opening and closing door 402 gradually opens the guide port 11 to ensure that the medicine can slide out smoothly along the medicine guide rack 10. After the medicine is taken out, the adjusting handle 9 is released, and the guide spring 304 pushes the guide block 303 to reset by its own elasticity, thereby driving the L-shaped opening and closing door 402 to close the guide port 11 and restore the sealed state of the storage box 4. This design not only improves the convenience of taking out the medicine, but also effectively prevents the contamination of the internal environment of the storage box 4 and ensures the safe storage of the medicine.

[0028] When the drug storage equipment is in use, the equipment is based on the support bracket 1, and the storage cabinet 2 is stably placed on top. The cabinet is cleverly designed with multiple sets of storage slots 3, and each slot is equipped with an independent storage box 4 to realize the classified storage of drugs.

[0029] When a specific medication needs to be removed, the user only needs to gently operate the adjustment handle 9. This action, through the ingenious cooperation of the spiral spring 8 and the adjustment shaft 6, drives one end of the adjustment plate 5 to tilt downwards. At the same time, multiple sets of extension springs 13 work together with the L-shaped extension plate 12 to quickly move backwards, effectively preventing the medication from sticking and ensuring that the medication slides down smoothly.

[0030] When the adjusting plate 5 is tilted due to the operation of the adjusting handle 9, the lower edge of the front end of the medicine guide rack 10 will abut against and press the upper edge of the L-shaped opening and closing door 402. This action is then transmitted to the guide block 303 through the connecting rod 401, causing it to move downward along the guide rod 302. The guide spring 304 is compressed accordingly. During this process, the L-shaped opening and closing door 402 gradually opens the guide port 11, ensuring that the medicine can slide out smoothly along the medicine guide rack 10, avoiding the possible contamination of the medicine that may be caused by fully opening the storage box 4, and realizing the quick and convenient removal and effective classification management of the medicine.

[0031] After the medication is taken out, the user only needs to release the adjustment handle 9. The spiral spring 8 will use the strong rebound force generated by its elastic deformation to quickly drive the adjustment plate 5 to reset via the adjustment shaft 6. At the same time, the guide spring 304 pushes the guide block 303 to reset by its own elastic force, which in turn drives the L-shaped opening and closing door 402 to close the feed port 11 and restore the sealed state of the storage box 4. This design not only improves the convenience of taking out the medication, but also effectively prevents the contamination of the internal environment of the storage box 4 and ensures the safe storage of the medication. The whole operation process is smooth and natural.

[0032] In addition, when the adjustment handle 9 is manually pulled outward, the storage box 4, guided by the sliding component, slides smoothly along the sliding rod 102 via the sliding blocks 103 on both sides. The sliding spring 201 maintains tension, which facilitates the automatic closing of the storage box 4 afterwards. This design not only improves the smoothness of opening and closing the storage box 4, but also ensures the stability and durability of the equipment operation.

[0033] Through the above steps, during the use of the drug storage equipment, the equipment is based on the support bracket 1, with the storage cabinet 2 stably placed on top. The cabinet is cleverly designed with multiple storage slots 3, each equipped with an independent storage box 4 to achieve classified storage of drugs. When a specific drug needs to be retrieved, the user only needs to gently operate the adjusting handle 9. This action, through the ingenious cooperation of the spiral spring 8 and the adjusting shaft 6, drives one end of the adjusting plate 5 to tilt downwards. Simultaneously, multiple sets of extension springs 13, in conjunction with the L-shaped extension plate 12, quickly move backwards, effectively preventing drugs from sticking together. To ensure smooth drug flow, when the adjusting plate 5 is tilted, the lower edge of the front end of the drug guide rack 10 can press against the upper edge of the opening and closing component, thereby opening the guide port 11 and allowing the drug to slide out smoothly along the drug guide rack 10. This avoids drug contamination that may occur if the storage box 4 is fully opened, and achieves quick and convenient drug retrieval and effective classification management. After the drug is retrieved, the user only needs to release the adjusting handle 9, and the spiral spring 8 will use the strong rebound force generated by its elastic deformation to quickly drive the adjusting plate 5 to reset through the adjusting shaft 6. The whole operation process is smooth and natural.

[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A drug storage device with classification function, comprising a support frame (1); characterized in that: It also includes a storage cabinet (2), a storage slot (3), a storage box (4), an adjusting plate (5), an adjusting shaft (6), an adjusting hole (7), a spiral spring (8), an adjusting handle (9), a medicine guide rack (10), a material guide port (11), an L-shaped extension plate (12), an extension spring (13), an adjusting slot (14), a sliding assembly, a reset assembly, a guide assembly, and an opening and closing assembly; a storage cabinet (2) is provided above the support bracket (1), and a storage slot (3) is provided inside the storage cabinet (2). Multiple sets of storage slots (3) are provided, and a storage box (4) is provided inside the storage slot (3). Adjusting holes (7) are provided on both sides of the inner wall of the storage box (4). An adjusting shaft (6) is provided inside the adjusting hole (7), and a spiral spring (8) is provided inside the adjusting hole (7). One end of the spiral spring (8) is fixedly connected to the inner wall of the adjusting hole (7), and the other end of the spiral spring (8) is fixedly connected to one end of the adjusting shaft (6). The storage box (4) An adjustment plate (5) is provided inside the storage box (5). An adjustment shaft (6) is located inside one end of the adjustment plate (5). An extension spring (13) is provided at the other end of the adjustment plate (5). Multiple sets of extension springs (13) are provided. An L-shaped extension plate (12) is provided at one end of the extension spring (13). An adjustment groove (14) is provided on one side of the storage box (4). An adjustment handle (9) is provided inside the adjustment groove (14). Both ends of the adjustment handle (9) are fixedly connected to the side walls of the two ends of the adjustment shaft (6). A guide frame is provided above one end of the adjustment plate (5). A guide port (11) is provided on one side of the storage box (4). Two sets of sliding components are provided on both sides of the inner wall of the storage groove (3). The two sets of sliding components are fixedly connected to the inner walls of both sides of the storage box. A reset component is provided inside the sliding component. Two sets of guide components are provided on one side of the storage box (4). An opening and closing component is provided inside the guide port. Both sides of the opening and closing component are fixedly connected to the side walls of the two sets of guide components.

2. The drug storage device with classification function according to claim 1, characterized in that: The sliding assembly includes a sliding groove (101) and a sliding rod (102); the inner wall of the storage groove (3) is provided with a sliding groove (101), and two sets of sliding grooves (101) are provided. The sliding rod (102) is provided inside the sliding groove (101).

3. A drug storage device with classification function according to claim 2, characterized in that: The sliding assembly also includes a sliding block (103); the sliding block (103) is provided on the side wall of the sliding rod (102), the sliding block (103) is slidably connected to the sliding rod (102), and the sliding block (103) is located inside the sliding groove (101).

4. A drug storage device with classification function according to claim 2, characterized in that: The reset assembly includes a sliding spring (201); the sliding rod (102) is provided with a sliding spring (201) on its outside, one end of the sliding spring (201) is fixedly connected to the inner wall of the sliding groove (101), the other end of the sliding spring (201) is fixedly connected to the inner wall of the sliding block (103), and both sides of the storage box (4) are fixedly connected to the side walls of the two sets of sliding blocks (103).

5. A drug storage device with classification function according to claim 2, characterized in that: The adjustment assembly includes a guide groove (301), a guide rod (302), and a guide block (303); a guide groove (301) is provided on one side of the storage box (4), and two sets of guide grooves (301) are provided. A guide rod (302) is provided inside the guide groove (301), and a guide block (303) is provided on the side wall of the guide rod (302). The guide block (303) is guided and connected to the guide rod (302).

6. A drug storage device with classification function according to claim 5, characterized in that: The adjustment assembly also includes a guide spring (304); the guide spring (304) is provided on the outside of the guide rod (302), one end of the guide spring (304) is fixedly connected to the inner wall of the guide groove (301), and the other end of the guide spring (304) is fixedly connected to the inner wall of the guide block (303).

7. A drug storage device with classification function according to claim 5, characterized in that: The opening and closing assembly includes a connecting rod (401) and an L-shaped opening and closing door (402); the inside of the drug delivery port is provided with an L-shaped opening and closing door (402), and two sets of connecting rods (401) are provided on both sides of the L-shaped opening and closing door (402). One end of the connecting rod (401) is fixedly connected to the side wall of the guide block (303).