A classified access device and first-aid kit

Abstract

The application provides a classified access device and a first-aid kit, and belongs to the technical field of medical instruments. The device comprises a cylindrical outer box, a positioning rotary frame, an inner module box, a pushing assembly and a side cover. The rotary frame is coaxially arranged in the inner cavity of the outer box and can automatically rotate at a fixed point. A plurality of inner box bodies are slidingly connected to the rotary frame and are kept in a retracted state by a return spring. A pushing lead screw and a pushing guide rod are arranged in the middle of the outer box and cooperate with a pushing frame. A side hole is formed in one side of the cylindrical outer box, and an elastic side cover is installed in the side hole. The position of the first-aid supplies is identified and recorded by a human-computer interaction module. When the supplies are selected, the rotary frame drives the corresponding inner box body to rotate to a position opposite to the side hole, the pushing frame pushes the inner box body out against the elastic force of the return spring, and the side cover is opened to take the supplies. After the supplies are taken, the pushing frame is reset, the inner box body is retracted under the action of the return spring, and the side cover is automatically closed. The device realizes intelligent positioning, automatic pushing and orderly management of the first-aid supplies, and has the advantages of convenient storage and access, anti-mixing and anti-pollution.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to a sorting and dispensing device and a first aid kit. Background Technology

[0002] First aid kits, as specialized containers for storing emergency medicines, medical devices, and emergency tools, are crucial for providing essential supplies during sudden illnesses or accidental injuries. However, with the diversification of emergency needs and the advancement of intelligent technologies, traditional first aid kits have gradually revealed numerous technical bottlenecks in terms of structural design, functional configuration, and ease of use, making it difficult to meet the higher demands of modern emergency rescue for efficiency, accuracy, and intelligence.

[0003] Currently, most common first-aid kits have a static storage structure, typically consisting of an outer shell and several fixed or removable inner boxes, with first-aid supplies manually categorized and stored. While this structure is simple, it has significant drawbacks in practical use: First, first-aid supplies are diverse, including hemostatic materials, bandages, disinfectants, and emergency tools. Without effective classification labeling and location mechanisms, users may struggle to quickly find the necessary items in an emergency, easily leading to time-consuming searching or misuse of supplies due to panic, thus delaying rescue efforts. Second, the usage status, remaining quantity, and expiration date of first-aid supplies lack effective monitoring, hindering intelligent management and easily resulting in expired items not being replaced, lost items, or duplicate items, affecting the effectiveness and safety of first aid. Summary of the Invention

[0004] One of the objectives of this invention is to provide a classification and retrieval device that aims to solve the problems of inconvenient storage and retrieval, chaotic management, and low level of intelligence in existing first aid kits, and to realize automatic and intelligent management and retrieval of first aid supplies.

[0005] The objective of this invention is achieved through the following technical solution: a sorting and retrieval device, comprising an outer box assembly, a positioning rotating frame assembly, an inner module box assembly, a pushing assembly, and a side cover. The outer box assembly comprises a cylindrical outer box and a human-machine interaction module. The positioning rotating frame assembly comprises a rotating frame body. The inner module box assembly comprises an inner box body and a return spring. The pushing assembly comprises a pushing guide rod. The side cover comprises a side hole, a side cover body, and a sliding column. The human-computer interaction module is installed on the outer wall of the cylindrical outer box, and the rotating frame is coaxially set in the inner cavity of the cylindrical outer box. The rotating frame can automatically rotate at a fixed point relative to the axis of the cylindrical outer box. The main body of the rotating frame is evenly connected to the inner box. Each inner box has an integrally formed return plate at its inner end. One end of the return spring is fixed to the return plate, and the other end is fixed to one end of the rotating frame. A push screw is screwed into the center of the cylindrical outer box. The push guide rod is evenly fixed inside the cylindrical outer box with the push screw as the center. A push frame is connected in the push screw, and the push frame is slidably connected to the push guide rod. The side hole is opened at one end of the cylindrical outer box. The side cover is slidably connected to one end of the cylindrical outer box through evenly distributed sliding columns. In the free state, the side cover elastically closes the side hole. Furthermore, the gaps between the inner chambers allow the pusher to move only the set of inner chambers that are directly opposite the side openings.

[0006] The technical solution of this invention is used as follows: The boxes inside the array are used to store different types of first aid supplies, including at least four categories: hemostasis and disinfection, bandaging and fixation, basic medicines, and emergency tools. Furthermore, during storage, the human-computer interaction module can define and identify each type of first aid supplies and record their storage location. The identification methods of the human-computer interaction module include, but are not limited to, barcode scanning, image recognition, or RFID tags. For example, RFID tags can be set on the packaging of first aid supplies, and an RFID read / write antenna array can be embedded inside the inner box. The human-computer interaction module controls the RFID read / write antenna array to read and identify different RFID tags to ensure that the location of each type of first aid supplies is recorded accurately. Meanwhile, the human-computer interaction module can display each type of first aid supplies for users to select; After the user selects a type of first aid supplies through the human-computer interaction module, the human-computer interaction module can automatically control the rotation drive mechanism of the rotating frame to rotate the inner box containing such supplies to a position directly opposite the side hole. After rotation into position, a feedback signal is sent, causing the human-machine interaction module to automatically start the rotation drive mechanism of the push screw, which drives the push screw to form a transmission with the push frame. This causes the push frame to move with the sliding engagement formed with the push guide rod as the guide. The push frame moves from a position where it is not in contact with the inner box to a position where it pushes the inner box, until the push frame contacts a set of inner boxes to be pushed out. As the push screw continues to rotate, it drives the push frame to move, which is enough to overcome the elastic force formed by the return spring supporting the inner box, so that the inner box in the free retraction state moves outward toward the side hole. When the inner box has not moved to the side hole, the side cover is in the position of elastic closure of the side hole. As the inner box moves toward the side hole, it will abut against the inner side of the side cover and overcome the elastic recovery force of the side cover, thus driving the inner box and the side cover to move outward together. Until the inner box moves outward into place, the space formed by the opening of the inner box is sufficient for the user to retrieve and place first aid supplies. When the inner box is retracted, the human-machine interface module controls the push screw to rotate in the opposite direction, driving the push frame to move along the push guide rod to the retraction position. When the push frame disengages from the inner box, the inner box is no longer subjected to outward pushing force; under the elastic force of the return spring, the inner box slides back to its original position inward. At the same time, under the action of its own elastic recovery force, the side cover body slides back to its original position through the sliding column, and closes the side hole again; When a user selects multiple first aid supplies at the same time, the human-computer interaction module can rotate the corresponding inner box to the position facing the side hole and push it out according to the preset priority (such as the order of first aid) or the user-defined order. When a user removes the first aid supplies, the human-machine interface module can receive feedback that the supplies have been removed. For example, by detecting changes in RFID signal strength, the module can determine that the supplies have been removed from the inner box. The human-machine interface module can then immediately update the remaining list and generate a message indicating that the supplies are to be returned. The human-computer interaction module can not only record the information of the retrieved items, but also the information or number of the inner box to which the retrieved items belong; When a user selects to return an item through the human-computer interaction module, the human-computer interaction module can automatically control the rotation of the rotating frame, so that the inner box corresponding to the item is rotated to the position facing the side hole, and the inner box is pushed out for the user to put the item back. The return of first aid supplies follows two different logics: medications and reusable instruments are stored again after being disinfected; disposable items are discarded after use, and the human-machine interface module can identify disposable items in advance and directly recognize them as discarded after they are taken out.

[0007] Another object of the present invention is to provide a first aid kit, which further includes a normally closed cover component and an inner cover. The normally closed cover component includes a normally closed cover, an overlapping plate and a normally closed bolt, and the inner cover includes a side lug seat. A fixed mounting seat is symmetrically fixed at the lower end of the opening position of the side wall of the cylindrical outer box, and a movable rotating shaft is fixed on both sides of the lower end of the normally closed cover. The movable rotating shaft on the same side is screwed to the fixed mounting seat. A handle is connected to the upper outer side of the normally closed cover. The overlapping plates are fixed to the outer top of the normally closed cover in pairs. The top of the side wall of the cylindrical outer box is provided with threaded holes in pairs. The normally closed bolt is screwed into the overlapping plate and can form a threaded engagement with the threaded hole. The main body of the rotating frame has a first slot and a second slot evenly opened at both ends. An inner cover plate is provided between the first slot and the second slot, and the number of inner cover plates is the same as the number of inner boxes. Both ends of the inner cover are fixed with plug plates, and the side lugs are fixed to the inside of the plug plates. The inner cover is a flexible, transparent, thin-walled structure. It can be snapped between the first and second slots through the plug plates at both ends, thus covering and protecting the opening of the inner box. When the inner box is retracted, its interior can form an independent closed space. Only when the inner box being used is rotated to face upwards, and the pushing component pushes the inner box toward the side hole, will the opening of the inner box be gradually exposed to the external environment. The openings of other unused inner boxes are covered and protected by the inner cover. Under normal use, the normally closed cover is in the normally closed state. In case of an accident (such as system malfunction) that prevents the automatic retrieval of first aid supplies, the normally closed cover can be manually opened by turning the normally closed bolt while the human-machine interface module is off. This exposes the rotating frame to the external environment, and the rotating frame can be manually rotated so that each inner box can be rotated to the position directly opposite the normally closed cover. The rotating frame can maintain its position during the rotation process. Depending on the actual needs, different inner boxes can be rotated to the position directly opposite the normally closed cover. By pulling the side ear seats with both hands, the inner cover plate will elastically contract, and the plug plates at both ends of the inner cover plate will disengage from the first and second slots respectively, exposing the opening of the inner box, thus forming an unconventional access mode for emergency supplies.

[0008] By adopting the above technical solution, the present invention can achieve the following beneficial effects: (1) The present invention can accurately define, identify and record the location of different types of first aid supplies and display them intuitively in the human-computer interaction module. When the user selects a specific first aid supply, the human-computer interaction module can automatically control the rotation of the rotating frame to accurately align the inner box containing the supply to the side hole, and then push it out through the pushing component. This automated and intelligent retrieval method greatly improves the efficiency of finding and retrieving first aid supplies, avoids the problem of messy and difficult-to-find items in traditional first aid kits, and realizes the refined and standardized management of first aid resources. (2) The present invention ingeniously designs the cooperation and structure of the positioning rotating frame assembly and the pushing assembly, realizing the independent and orderly storage and retrieval of multiple types of first aid supplies; the rotating frame body is coaxially set in the cylindrical outer box, and multiple inner boxes are evenly slidably connected on it. Each inner box is equipped with an independent return plate and return spring to ensure that it remains in the retracted state when not in operation; the pushing frame can only push a set of inner boxes that are directly opposite the side hole, and can form a structure that does not interfere with each other; at the same time, the free elastic closing design of the side cover body effectively prevents the entry of impurities and foreign objects or the accidental drop of internal supplies, ensuring the cleanliness and safety of the stored first aid supplies; (3) This invention not only focuses on the management of the removal of first aid supplies, but also constructs a complete intelligent return and management system; the human-computer interaction module can monitor the removal and return status of first aid supplies in real time. When the supplies are removed, the human-computer interaction module will update the remaining list and the information to be returned, and can automatically manage the return based on whether the first aid supplies are disposable. This can avoid confusion and misuse of supplies and ensure the accuracy and effectiveness of the items in the first aid kit. Attached Figure Description

[0009] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0010] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is an exploded structural diagram of the outer casing assembly and normally closed sealing cap component of the present invention; Figure 3 This is an exploded structural diagram of the cylindrical outer box portion of the present invention; Figure 4 This is a schematic diagram of the normally closed sealing cap component of the present invention; Figure 5 This is an exploded structural diagram of the positioning and rotating frame assembly of the present invention; Figure 6 This is a schematic diagram of the structure of the rotating frame part of the present invention; Figure 7 This is a schematic diagram of the structure of the fixed-point slot and the damping slot of the present invention; Figure 8 This is a schematic diagram of the elastic locking post portion of the present invention; Figure 9 This is an exploded structural diagram of the internal module housing component of the present invention; Figure 10 This is a structural schematic diagram of the internal module housing assembly in the removed state of the present invention; Figure 11 This is a plan view of the internal box arrangement of each group in this invention; Figure 12 This is a schematic diagram of the inner cover portion of the present invention; Figure 13 This is a schematic diagram of the structure of the pushing component of the present invention; Figure 14 This is a schematic diagram of the structure of the pushing frame part of the present invention; Figure 15 This is a schematic diagram showing the positional relationship between the push seat and the inner box of the present invention; Figure 16 This is a structural schematic diagram of the side cover portion of the present invention from a first perspective; Figure 17 This is a structural schematic diagram of the side cover portion of the present invention from a second perspective; Figure 18 This is a schematic diagram of the internal support portion of the present invention.

[0011] Figure label: 1. Outer casing assembly; 2. Normally closed cover assembly; 3. Positioning and rotating bracket assembly; 4. Inner module housing assembly; 5. Pushing assembly; 6. Side cover; 7. Inner cover; 101. Cylindrical outer casing; 102. Side seat; 103. Irregularly shaped cover; 104. Lithium battery; 105. Opposing seat; 106. Opposing cover; 107. Human-machine interface module; 108. Support casters; 201. Fixed rotating seat; 202. Normally closed cover; 203. Moving rotating shaft ; 204. Handle; 205. Overlapping plate; 206. Normally closed bolt; 207. Threaded hole; 301. Rotary frame body; 302. Hollow shaft; 303. Hollow shaft seat; 304. Bushing; 305. Solid shaft; 306. Drive connection seat; 307. Rotary bevel gear; 308. First micro servo motor; 309. Rotary drive bevel gear; 310. Outer slide rail; 311. Inner slide rail; 312. Fixed-point slot; 31 3. Damping slot; 314. Elastic slide; 315. Elastic locking pin; 316. Compression spring; 401. Inner housing; 402. Side stop; 403. Outer slide; 404. Inner slide; 405. Return plate; 406. Return spring; 407. Sliding locking position; 501. Lead screw seat; 502. Push lead screw; 503. Push bevel gear; 504. Miniature push servo motor; 505. Push drive bevel gear; 50 6. Push guide rod; 507. Push frame; 508. Screw slide; 509. Push slider; 510. Push seat; 601. Side hole; 602. Side cover; 603. Sealing gasket; 604. Sliding column; 605. Sliding seat; 606. Inner fixed seat; 607. Top spring; 608. Auxiliary slider; 701. First slot; 702. Second slot; 703. Inner cover plate; 704. Insertion plate; 705. Side ear seat. Detailed Implementation

[0012] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0013] In the description of this invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0014] like Figures 1-18 As shown, a sorting and retrieval device and a first aid kit are provided. The cylindrical outer box 101 in the outer box assembly 1 has a cylindrical cavity structure. The human-machine interaction module 107 is installed on the outer wall of the cylindrical outer box 101. The rotating frame 301 is coaxially arranged in the inner cavity of the cylindrical outer box 101, and the rotating frame 301 can automatically rotate at a fixed point relative to the axis of the cylindrical outer box 101. The inner box 401 is evenly slidably connected to the main body of the rotating frame 301. Each inner box 401 has an integrally formed return plate 405 at its inner end. One end of the return spring 406 is fixed to the return plate 405, and the other end is fixed to one end of the rotating frame 301, so that the inner box 401 is in a free retraction state under the action of the return spring 406. A push screw 502 is screwed into the center of the cylindrical outer box 101. A push guide rod 506 is uniformly fixed inside the cylindrical outer box 101 with the push screw 502 as the center. A push frame 507 is connected in the push screw 502 and is slidably connected to the push guide rod 506. When the inner box 401 is in a free retraction state, the push frame 507 moves to a position where it does not contact the inner box 401. The side hole 601 is opened at one end of the cylindrical outer box 101, and any set of inner boxes 401 can be rotated to a position directly opposite the side hole 601. The side cover 602 is slidably connected to one end of the cylindrical outer box 101 through evenly distributed sliding columns 604, and in the free state, the side cover 602 elastically closes the side hole 601.

[0015] The push screw 502, push guide rod 506 and sliding column 604 inside the cylindrical outer box 101 will not interfere with the rotation of the rotating frame 301; and when the rotating frame 301 rotates, the push frame 507 is always in a position that does not interfere with the rotating frame 301 and the inner box 401.

[0016] Furthermore, the gap between the inner boxes 401 allows the pusher 507 to move only the set of inner boxes 401 that are directly opposite the side hole 601; The working principle is as follows: The boxes 401 in the array are used to store different types of first aid supplies, including at least four categories: hemostasis and disinfection, bandaging and fixation, basic medicines and emergency tools; Furthermore, during storage, the human-machine interaction module 107 can define and identify each type of first aid supplies and record their storage location. The identification methods of the human-machine interaction module 107 include, but are not limited to, barcode scanning, image recognition, or RFID tags. For example, RFID tags can be set on the packaging of first aid supplies, and an RFID read / write antenna array can be embedded inside the inner box 401. The human-machine interaction module 107 controls the RFID read / write antenna array to read and identify different RFID tags to ensure that the location of each type of first aid supplies is recorded accurately. Meanwhile, the human-computer interaction module 107 can display each type of first aid supplies for users to select; After the user selects a certain type of first aid supplies through the human-computer interaction module 107, the human-computer interaction module 107 can automatically control the rotation drive mechanism of the rotating frame 301 to rotate the inner box 401 containing such supplies to a position directly opposite the side hole 601. After rotation to the correct position, a feedback signal is sent, causing the human-machine interaction module 107 to automatically activate the rotation drive mechanism of the push screw 502, which drives the push screw 502 to form a transmission with the push frame 507. This causes the push frame 507 to move with the sliding engagement formed with the push guide rod 506 as a guide. The push frame 507 moves from a position where it is not in contact with the inner box 401 to a position where it pushes the inner box 401, until the push frame 507 contacts the set of inner boxes 401 to be pushed out. As the push screw 502 continues to rotate, it drives the push frame 507 to move, which is sufficient to overcome the elastic force formed by the return spring 406 supporting the inner box 401, so that the inner box 401 in the free retraction state moves outward toward the side hole 601. When the inner box 401 has not moved to the side hole 601, the side cover 602 is in a position where it is elastically closed to the side hole 601. As the inner box 401 moves toward the side hole 601, it will abut against the inner surface of the side cover 602 and overcome the elastic recovery force of the side cover 602, thus driving the inner box 401 and the side cover 602 to move outward together. Until the inner box 401 moves outward into place, at this point more than half of the length of the inner box 401 has been exposed outside the side hole 601. The space formed by the opening of the inner box 401 is sufficient for the user to take out and put in first aid supplies. When the inner box 401 is retracted, the human-machine interface module 107 controls the push screw 502 to rotate in the opposite direction, driving the push frame 507 to move along the push guide rod 506 to the retracted position. When the push frame 507 disengages from the inner box 401, the inner box 401 is no longer subjected to outward pushing force. Under the elastic force of the return spring 406, the inner box 401 slides back to the inside of the rotating frame 301. At the same time, under the action of its own elastic recovery force, the side cover 602 slides back to its original position through the sliding post 604, and closes the side hole 601 again to prevent impurities, foreign objects, etc. from entering or the internal items from falling out accidentally. When a user selects multiple first aid supplies at the same time, the human-computer interaction module 107 can rotate the corresponding inner box 401 to the position directly opposite the side hole 601 and push it out according to the preset priority (such as the order of first aid) or the user-defined order. When the user takes out the first aid supplies, the human-machine interaction module 107 can receive feedback that the supplies have been removed. For example, by changing the RFID signal strength, it can be determined that the supplies have been removed from the inner box 401. The human-machine interaction module 107 can immediately update the remaining list and generate a message that the supplies are to be returned. The human-computer interaction module 107 can not only record the information of the item being taken out, but also the information or number of the inner box 401 to which the item being taken out belongs; When a user selects to return an item through the human-computer interaction module 107, the human-computer interaction module 107 can automatically control the rotation of the rotating frame 301, so that the inner box 401 corresponding to the item is rotated again to the position facing the side hole 601, and the inner box 401 is pushed out for the user to put the item back. The return of first aid supplies follows two different logics: medicines and reusable instruments are stored again after being disinfected; disposable items are discarded after use. The human-machine interaction module 107 can identify disposable items in advance, and after the item is taken out, the human-machine interaction module 107 can directly identify it as discarded. Furthermore, if a user mistakenly puts a used disposable item back into the inner box 401, the human-machine interaction module 107 can detect the illegal placement, refuse to execute the instruction to retract the inner box 401, and issue an alarm to remind the user. Furthermore, those skilled in the art should understand that the technique of selecting a display screen / touchscreen and using sensors (such as RFID) to identify objects and control the movement of mechanical structures is known and feasible in the fields of medical or automated equipment. In the prior art, a smart storage cabinet for medical supplies based on RFID technology (CN206441282U) includes a control cabinet and a storage cabinet. The lower ends of the control cabinet and the storage cabinet are equipped with casters. The control cabinet contains an industrial control host. One side of the control cabinet is equipped with a touch screen and an ID card reader / writer. One side of the storage cabinet is equipped with double doors. The double doors are fitted with transparent signal shielding glass, and the connection between the double doors is equipped with a sealing elastic strip. By combining RFID radio frequency identification technology with existing equipment or instruments, the goal of automatic storage and retrieval and automatic recording of medical consumables is achieved.

[0017] The specific structure of outer casing assembly 1 is as follows: Figure 2 and Figure 3 As shown, the side seat 102 is fixedly connected to one end of the cylindrical outer box 101, and the other end of the cylindrical outer box 101 is fixedly connected to the opposing seat 105. The lithium battery 104 is installed and fixed on the outer end face of the side seat 102. The side hole 601 is opened in the main body of the side seat 102. The lithium battery 104 is electrically connected to the human-computer interaction module 107. A detachable irregular-shaped cover 103 is fixedly connected to the outer end face of the side seat 102, and a detachable opposing cover 106 is fixedly connected to the outer end face of the opposing seat 105. The irregular-shaped cover 103 will not obstruct the movement of the side cover 602 and the inner box 401. Support casters 108 are evenly installed and fixed on the bottom wall of the cylindrical outer box 101, and the support casters 108 have a self-locking function, which can improve the convenience of movement while ensuring safety.

[0018] The specific structures of the positioning swivel assembly 3 and the inner module housing assembly 4 are as follows: Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11 As shown, hollow shafts 302 and bushings 304 are fixedly installed at both ends of the rotating frame 301, and the hollow shafts 302 and bushings 304 are coaxially arranged. A hollow shaft seat 303 is fixed in the middle of the opposing seat 105, and a solid shaft 305 is fixed in the middle of the inner side of the side seat 102. The hollow shaft 302 is rotatably connected to the hollow shaft seat 303, and the bushing 304 is rotatably connected to the solid shaft 305. A drive connection seat 306 is fixedly connected to the outer side of the opposing seat 105; A rotating bevel gear 307 is inserted into the outer end of the hollow shaft 302. A first micro servo motor 308 is mounted and fixed on the outer side of the opposing seat 105. A rotating drive bevel gear 309 is fixed in the output shaft of the first micro servo motor 308. The rotating drive bevel gear 309 meshes with the rotating bevel gear 307. The first micro servo motor 308 is electrically connected to the human-machine interaction module 107. The inner side of the main frame of the rotating frame 301 is evenly provided with inner slide rails 311, and the outer side is evenly provided with outer slide rails 310. Adjacent outer slide rails 310 can be used in pairs, and adjacent inner slide rails 311 can be used in pairs. The inner side of the opposing seat 105 is evenly provided with fixed-point slots 312 centered on the hollow shaft seat 303. Damping slots 313 are arranged between adjacent fixed-point slots 312, and the opening path of the damping slots 313 on the inner side of the opposing seat 105 coincides with the path formed by connecting the array of fixed-point slots 312. On the side of the rotating frame 301 opposite to the opposing seat 105, there are a pair of elastic slides 314 fixed together. The elastic pin 315 is slidably connected in the elastic slide 314. One end of the compression spring 316 is fixed to the bottom surface of the elastic slide 314, and the other end is fixed to the end of the elastic pin 315. Furthermore, the number of inner boxes 401 is the same as the number of fixed-point slots 312, and the paired elastic pins 315 are directly opposite the two sets of fixed-point slots 312 that can form the farthest distance. The opening contours of the damping groove 313 and the fixed-point groove 312 can form an elastic engagement with the spherical contour of the head end of the elastic pin 315. The opening depth of the fixed-point groove 312 is greater than that of the damping groove 313. This allows the elastic pin 315 to be elastically engaged in the fixed-point groove 312, and the rotating frame 301 to rotate to the position where the inner box 401 and the side hole 601 are directly opposite each other, thus forming a rotational force that aligns the inner box 401 and the side hole 601. The opening depth of the damping groove 313 is less than the opening depth of the fixed-point groove 312, so that the disengagement force of the elastic pin 315 and the damping groove 313 is less than the disengagement force of the elastic pin 315 and the fixed-point groove 312, thus forming a damping effect on the rotation of the rotating frame 301 relative to the opposing seat 105. The main body of the rotating frame 301 has evenly spaced sliding slots 407, which provide a moving channel for the inner box 401. When the inner box 401 extends outward, it can move into the side hole 601 through the sliding slots 407. When the inner box 401 retracts inward from the side hole 601, it can move into the rotating frame 301 through the sliding slots 407. The side stop 402 is fixed to one side of the inner cavity of the inner box 401. The inner box 401 has a fan-shaped cross-section. The outer side wall of the inner box 401 that slides with the two adjacent sets of outer slide rails 310 is fixed with an outer slide block 403. The outer side wall of the inner box 401 that slides with the two adjacent sets of inner slide rails 311 is fixed with an inner slide block 404. The outer slide block 403 on the same side is slidably connected to the outer slide rail 310, and the inner slide block 404 on the same side is slidably connected to the inner slide rail 311. Furthermore, the inner box 401 of the outer slide 403 fixed to the outer side wall and the inner box 401 of the inner slide 404 fixed to the outer side wall are alternately distributed in sequence within the rotating frame 301. By setting the outer slide 403 and the inner slide 404 at different positions on the outer side wall of the inner box 401, it is possible to improve the space utilization of the inner box 401 while ensuring that each set of inner boxes 401 can form a sliding connection with the rotating frame 301.

[0019] The specific structures of the push assembly 5 and the side cover 6 are as follows: Figure 13 , Figure 14 , Figure 15 , Figure 16 , Figure 17 and Figure 18 As shown, a lead screw seat 501 is fixedly installed in the middle of both the solid shaft 305 and the drive connecting seat 306. The two ends of the push lead screw 502 are respectively screwed into different lead screw seats 501. The push bevel gear 503 is inserted into the outer end of the push lead screw 502. A miniature push servo motor 504 is installed and fixed on the outer side of the drive connecting seat 306. The output shaft of the miniature push servo motor 504 is fixed with a push drive bevel gear 505. The push drive bevel gear 505 meshes with the push bevel gear 503. The miniature push servo motor 504 is electrically connected to the human-machine interaction module 107. A lead screw slide 508 is fixedly installed in the middle of the push frame 507. The lead screw slide 508 is connected to the push screw 502. The push slider 509 is evenly fixed in the push frame 507 with the lead screw slide 508 as the center. The push slider 509 on the same side is slidably connected to the push guide rod 506. A pusher seat 510 is fixed at the position where the pusher 507 is directly opposite the side hole 601, which can push the inner box 401 that is directly opposite the side hole 601. A sealing gasket 603 is fixed on the inner side of the side cover 602 at a position directly opposite to the side hole 601, which can form a good seal on the side hole 601 after the side cover 602 is closed in place; Sliding seats 605 are evenly fixedly installed in the main body of the side seat 102 and the solid shaft 305. The sliding column 604 on the same side is slidably connected to the sliding seat 605. The inner fixed seat 606 is fixed to the inner end of the sliding column 604. A top spring 607 is sleeved around the outer periphery of the sliding column 604. One end of the top spring 607 is locked to the inner fixed seat 606, and the other end is locked to the solid shaft 305, which can provide inward support elastic force for the inner fixed seat 606, the sliding column 604 and the side cover 602. An auxiliary slider 608 is also evenly fixed in the inner fixed seat 606. The auxiliary slider 608 on the same side is slidably connected to the push guide rod 506, which can improve the stability of the sliding of the components consisting of the inner fixed seat 606, the sliding column 604 and the side cover 602. The middle part of the inner fixed seat 606 is provided with a through hole to eliminate interference with the push lead screw 502.

[0020] The normally closed sealing component 2 and the inner cover 7 are used for unconventional emergency applications. Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 9 and Figure 11 As shown, a fixed mounting base 201 is symmetrically fixed at the lower end of the opening position of the side wall of the cylindrical outer box 101, and a movable rotating shaft 203 is fixed on both sides of the lower end of the normally closed cover 202. The movable rotating shaft 203 on the same side is screwed to the fixed mounting base 201. A handle 204 is connected to the upper outer side of the normally closed cover 202. The overlapping plates 205 are fixed in pairs to the outer top of the normally closed cover 202. The top of the side wall of the cylindrical outer box 101 is provided with threaded holes 207 in pairs. The normally closed bolts 206 are screwed into the overlapping plates 205 and can form a threaded engagement with the threaded holes 207. The main body of the rotating frame 301 is provided with a first slot 701 and a second slot 702 evenly at both ends. An inner cover plate 703 is provided between the first slot 701 and the second slot 702 facing each other, and the number of inner cover plates 703 is the same as the number of inner boxes 401. Both ends of the inner cover plate 703 are fixed with plug-in plates 704, and the side ear seat 705 is fixed to the inside of the plug-in plate 704. The inner cover plate 703 is an elastic, transparent, thin-walled structure. It can be snapped between the first slot 701 and the second slot 702 by the plug-in plates 704 at both ends. It can cover and protect the opening of the inner box 401, so that when the inner box 401 is in the retracted state, its interior can form an independent closed space. Only when the inner box 401 being taken out is rotated to the opening facing upward, as the pushing component 5 pushes the inner box 401 toward the side hole 601, the opening of the inner box 401 is gradually exposed to the external environment. The openings of other unused inner boxes 401 are covered and protected by the inner cover plate 703. Under normal use, the normally closed cover 202 is in a normally closed state. In case of an accident (such as system malfunction) that prevents the automatic retrieval of first aid supplies, the normally closed cover 202 can be manually opened by turning the normally closed bolt 206 while the human-machine interface module 107 is off. This exposes the rotating frame 301 to the external environment, and the rotating frame 301 can be manually rotated so that each inner box 401 can be rotated to a position directly opposite the normally closed cover 202. Due to the elastic locking action of the elastic locking post 315, the damping locking groove 313, and the fixed-point locking groove 312, the rotating frame 301 can maintain its position during rotation. According to actual needs, different inner boxes 401 can be rotated to the position directly opposite the normally closed cover 202, and the side ear seats 705 can be pulled by both hands to make the inner cover plate 703 elastically contract. The plug plates 704 at both ends of the inner cover plate 703 will disengage from the first slot 701 and the second slot 702 respectively, exposing the opening position of the inner box 401, forming an unconventional mode for accessing first aid supplies. For the inner cover plate 703, medical-grade thermoplastic polyurethane (TPU) or styrene-based thermoplastic elastomer (TPE) are recommended. These two materials have excellent flexibility and kink resistance, can be repeatedly bent and deformed and have good resilience, making them suitable for manufacturing thin-plate elastic medical components such as the inner cover plate 703. Since both the first micro servo motor 308 and the micro push servo motor 504 use servo control systems, the human-machine interface module 107 controls the first micro servo motor 308 and the micro push servo motor 504 through an absolute encoder, so that even if an abnormality occurs, their respective reference position data will not be lost. They can be read after resetting or powering on, without the need for mechanical reset.

[0021] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sorting and retrieval device, comprising an outer casing assembly (1), characterized in that: It also includes a positioning rotating frame assembly (3), an inner module housing assembly (4), a pushing assembly (5), and a side cover (6); The outer casing assembly (1) includes a cylindrical outer casing (101) and a human-machine interaction module (107). The cylindrical outer casing (101) is a cylindrical cavity structure. The human-machine interaction module (107) is installed on the outer wall of the cylindrical outer casing (101). The positioning rotating frame assembly (3) includes a rotating frame body (301). The rotating frame body (301) is coaxially arranged in the inner cavity of the cylindrical outer casing (101), and the rotating frame body (301) can automatically rotate at a fixed point relative to the axis of the cylindrical outer casing (101). The inner module housing assembly (4) includes a return spring (406), the push assembly (5) includes a push guide rod (506), and the side cover (6) includes a side hole (601), a side cover body (602), and a sliding post (604). The inner box (401) is slidably connected evenly in the main body of the rotating frame (301). Each inner box (401) has a return locking platform (405) integrally formed at its inner end. One end of the return spring (406) is locked to the return locking platform (405), and the other end is locked to one end of the rotating frame (301). A push screw (502) is screwed into the middle of the cylindrical outer box (101). The push guide rod (506) is evenly fixed in the cylindrical outer box (101). Inside the inner casing (1), a pusher frame (507) is connected to the pusher screw (502), and the pusher frame (507) is slidably connected to the pusher guide rod (506). When the inner casing (401) is in a free retracted state, the pusher frame (507) moves to a position where it does not contact the inner casing (401). A side hole (601) is opened at one end of the cylindrical outer casing (101), and any set of inner casings (401) can rotate to a position where it is in contact with the side hole (601). At the position directly opposite to the side hole (601), the side cover (602) is slidably connected to one end of the cylindrical outer box (101) through evenly distributed sliding columns (604). The push frame (507) is fixed with a push seat (510) at the position directly opposite to the side hole (601). In the free state, the side cover (602) elastically closes the side hole (601), and the gap between the inner boxes (401) allows the push frame (507) to push only the set of inner boxes (401) directly opposite to the side hole (601) to move. The inner module housing assembly (4) also includes a side stop (402), which is fixed to one side of the inner cavity of the inner housing (401).

2. The sorting and dispensing device according to claim 1, characterized in that: The outer casing assembly (1) also includes a side seat (102), which is fixed to one end of the cylindrical outer casing (101). The other end of the cylindrical outer casing (101) is fixed to an opposing seat (105). A lithium battery (104) is installed and fixed on the outer end face of the side seat (102). A side hole (601) is opened in the main body of the side seat (102). The lithium battery (104) is electrically connected to the human-machine interaction module (107). Support casters (108) are evenly installed and fixed on the bottom wall of the cylindrical outer casing (101).

3. The sorting and dispensing device according to claim 2, characterized in that: The positioning rotating frame assembly (3) also includes a rotating bevel gear (307). Hollow shafts (302) and bushings (304) are fixedly installed at both ends of the rotating frame body (301). A hollow shaft seat (303) is fixed in the middle of the opposing seat (105), and a solid shaft (305) is fixed in the middle of the inner side of the side seat (102). The hollow shaft (302) is rotatably connected to the hollow shaft seat (303), and the bushing (304) is rotatably connected to the solid shaft (305). A drive connecting seat (306) is fixedly connected to the outer side of the opposing seat (105). The rotating bevel gear (307) is inserted into the outer end of the hollow shaft (302). A first micro servo motor (308) is fixedly mounted on the outer side of the seat (105). A rotary drive bevel gear (309) is fixed in the output shaft of the first micro servo motor (308). The rotary drive bevel gear (309) meshes with the rotary bevel gear (307). The first micro servo motor (308) is electrically connected to the human-machine interaction module (107). Inner slides (311) are evenly provided on the inner side of the main frame of the rotating frame (301), and outer slides (310) are evenly provided on the outer side. Two adjacent sets of inner slides (311) are used in pairs, and two adjacent sets of outer slides (310) are used in pairs.

4. A sorting and dispensing device according to claim 2 or 3, characterized in that: The positioning and rotating frame assembly (3) also includes an elastic locking pin (315) and a compression spring (316). The inner side of the opposing seat (105) is evenly provided with fixed-point locking grooves (312), and damping locking grooves (313) are arranged between adjacent fixed-point locking grooves (312). An elastic slide (314) is fixed on the side of the rotating frame body (301) opposite to the opposing seat (105). The elastic locking pin (315) is slidably connected in the elastic slide (314). One end of the compression spring (316) is fixed to the inner bottom surface of the elastic slide (314), and the other end is fixed to the end of the elastic locking pin (315).

5. A sorting and dispensing device according to claim 3, characterized in that: The inner module housing assembly (4) also includes an outer slide (403) and an inner slide (404). A sliding slot (407) is evenly provided in the main body of one end of the rotating frame (301). The outer wall of the inner housing (401) which is slidably engaged with the two adjacent sets of outer slides (310) is fixed with an outer slide (403). The outer wall of the inner housing (401) which is slidably engaged with the two adjacent sets of inner slides (311) is fixed with an inner slide (404). The outer slide (403) on the same side is slidably connected with the outer slide (310), and the inner slide (404) on the same side is slidably connected with the inner slide (311).

6. A sorting and dispensing device according to claim 3 or 5, characterized in that: The pushing assembly (5) also includes a pushing bevel gear (503) and a pushing slider (509). A lead screw seat (501) is fixedly installed in the middle of both the solid shaft (305) and the drive connecting seat (306). The two ends of the pushing lead screw (502) are respectively screwed into different lead screw seats (501). The pushing bevel gear (503) is inserted into the outer end of the pushing lead screw (502). A miniature pushing servo motor (504) is fixedly installed on the outer side of the drive connecting seat (306). The output of the miniature pushing servo motor (504)... A push drive bevel gear (505) is fixed on the shaft. The push drive bevel gear (505) meshes with the push bevel gear (503). A micro push servo motor (504) is electrically connected to the human-machine interaction module (107). A lead screw slide (508) is fixedly installed in the middle of the push frame (507). The lead screw slide (508) is connected to the push lead screw (502). The push slider (509) is evenly fixed in the push frame (507). The push slider (509) on the same side is slidably connected to the push guide rod (506).

7. A sorting and dispensing device according to claim 3 or 5, characterized in that: The side cover (6) also includes an inner fixed seat (606). A sealing gasket (603) is fixed on the inner side of the side cover (602) opposite to the side hole (601). Sliding seats (605) are uniformly fixed in the main body of the side seat (102) and the solid shaft (305). The sliding column (604) on the same side is slidably connected to the sliding seat (605). The inner fixed seat (606) is fixed to the inner end of the sliding column (604). A top spring (607) is sleeved around the sliding column (604). One end of the top spring (607) is locked to the inner fixed seat (606), and the other end is locked to the solid shaft (305). An auxiliary slider (608) is also uniformly fixed in the inner fixed seat (606). The auxiliary slider (608) on the same side is slidably connected to the push guide rod (506).

8. A first aid kit, comprising a sorting and dispensing device as described in any one of claims 1 to 7, characterized in that: It also includes a normally closed cover component (2), which includes a normally closed cover (202), a lap plate (205), and a normally closed bolt (206). A fixed seat (201) is symmetrically fixed at the lower end of the side wall opening of the cylindrical outer box (101). A rotating shaft (203) is fixed on both sides of the lower end of the normally closed cover (202). The rotating shaft (203) on the same side is screwed to the fixed seat (201). A handle (204) is connected to the upper outer side of the normally closed cover (202). The lap plates (205) are fixed in pairs to the outer top of the normally closed cover (202). Threaded holes (207) are opened in pairs at the top of the side wall of the cylindrical outer box (101). The normally closed bolt (206) is screwed into the lap plate (205) and can form a threaded engagement with the threaded hole (207).

9. A first aid kit according to claim 8, characterized in that: It also includes an inner cover (7), which includes a side ear seat (705). The main body of the rotating frame (301) has a first slot (701) and a second slot (702) evenly opened at both ends. An inner cover plate (703) is provided between the first slot (701) and the second slot (702) facing each other. Both ends of the inner cover plate (703) are fixed with plug plates (704). The side ear seat (705) is fixed on the inside of the plug plate (704). The inner cover plate (703) is an elastic transparent thin-walled structure.

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