Medical waste disinfecting and killing device

By designing a medical waste disinfection device with a rotating hopper and stirring blades, the problem of incomplete disinfection due to fixed spray range was solved, achieving uniform coverage and thorough disinfection of disinfectant, and reducing the risk of cross-infection.

CN224085743UActive Publication Date: 2026-04-07RUDONG HENGXIANG ENVIRONMENTAL PROTECTION SERVICE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing medical waste disinfection devices have a fixed spray range, which means that the disinfectant cannot evenly cover the surface of the medical waste. Some areas may not be thoroughly disinfected, increasing the risk of cross-infection.

Method used

A device comprising a material bucket and a spray pipe was designed. The material bucket is driven to rotate by the meshing of the first and second external toothed rings to increase the spray range. It is also equipped with stirring blades to stir medical waste, and combined with a lifting structure, it achieves uniform coverage of disinfectant.

Benefits of technology

It achieves uniform coverage of disinfectant on the surface of medical waste, avoiding pathogen residue and reducing the risk of cross-infection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a medical waste disinfecting and killing device, which relates to the technical field of medical waste treatment and comprises a box body, support frames are fixedly mounted on two sides of the lower surface of the box body, supports are fixedly mounted on two sides of the upper surface of the box body, a spray pipe is fixedly mounted between the two supports, and one end of the spray pipe penetrates through the supports. A worker starts a first motor to enable an output shaft of the first motor to drive a second outer gear ring to rotate, under the meshing action of the rotating second outer gear ring and a first outer gear ring, a material barrel rotates with a bearing as the reference, medical waste in the material barrel can rotate along with the material barrel, and therefore the spraying range of a spraying pipe is enlarged, and the spraying efficiency is improved. And the disinfectant can uniformly cover the surface of the medical waste, so that thorough disinfection is realized, residual pathogens are avoided, and the risk of cross infection is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of medical waste treatment technology, and more specifically, to a medical waste disinfection device. Background Technology

[0002] A medical waste disinfection device is a specialized device for treating medical waste, designed to kill pathogens in medical waste through physical or chemical methods, reducing its harm to the environment and human health. An existing invention, CN220810676U, describes an automatic disinfection device for medical waste in public places, comprising a medical waste bin and a disinfection device box. The disinfection device box is located on the right side of the medical waste bin. The disinfection device box contains a disinfectant tank, a disinfectant pump, and a timer. A partition is installed at the bottom of the medical waste bin, and a liquid outlet is located at the rear bottom of the bin. This invention utilizes the aforementioned automatic disinfection device for medical waste in public places, adding a timer, pump, and hose to the waste bin to spray disinfectant at regular intervals, thus achieving automatic disinfection of waste. The perforated partition allows excess disinfectant to drain, facilitating subsequent sorting and recycling of medical waste.

[0003] However, in the above solution, when the spray structure of the automatic disinfection device sprays medical waste, the spray range of the spray structure is fixed. The fixed spray range may cause the disinfectant to not evenly cover the surface of the medical waste, resulting in some areas being incompletely disinfected, leaving pathogens and increasing the risk of cross-infection. Utility Model Content

[0004] The main objective of this invention is to provide a medical waste disinfection device that can effectively solve the problem in the background art where the spraying structure of the automatic disinfection device sprays medical waste with a fixed spraying range. This fixed spraying range may result in the disinfectant not being able to evenly cover the surface of the medical waste, leading to incomplete disinfection in some areas, residual pathogens, and an increased risk of cross-infection.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A medical waste disinfection device includes a box, with support frames fixedly installed on both sides of the lower surface of the box, and brackets fixedly installed on both sides of the upper surface of the box. A spray pipe is fixedly installed between the two brackets, with one end of the spray pipe penetrating through the bracket.

[0007] Two brackets are fixedly mounted on opposite sides with a ring frame. A material bucket is rotatably mounted inside the ring frame via a bearing. A first external toothed ring is fitted and fixed to the body of the material bucket. One of the brackets is provided with a drive component for driving the first external toothed ring to rotate on the side near the first external toothed ring.

[0008] The bottom of the material barrel is provided with a base plate, the upper surface of the base plate is arc-shaped, and the inner wall of the material barrel is provided with several through holes.

[0009] Preferably, the drive assembly includes a support plate, which is fixedly mounted on one of the brackets near the first external gear ring. A first motor is fixedly mounted on one side of the upper surface of the support plate, and a second external gear ring is sleeved on the output shaft end of the first motor, with the second external gear ring meshing with the first external gear ring.

[0010] Preferably, a crossbar is rotatably installed inside the material barrel, and several stirring blades are fixedly installed on the crossbar.

[0011] Preferably, one end of the crossbar passes through the material barrel and is fitted with a bevel gear, and a bevel gear ring is fixedly installed on the inner wall of the annular frame, with the bevel gear meshing with the bevel gear ring.

[0012] Preferably, the upper surface of the base plate is provided with a plurality of limiting holes, and the lower surface of the material barrel is fixedly installed with a plurality of limiting rods, each of the limiting rods being inserted into and engaged with the corresponding limiting hole.

[0013] A lifting structure for controlling the raising and lowering of the base plate is provided on one side of the box body.

[0014] Preferably, the lifting structure includes a lead screw, which is rotatably installed at the bottom of the housing. A lifting plate is threaded on one side of the lead screw, and a rotating column is rotatably installed on the upper surface of the lifting plate. The upper end of the rotating column is fixedly installed on the lower surface of the base plate.

[0015] A vertical pole is fixedly installed on the other side of the bottom of the box, and the lifting plate is slidably disposed on one side of the vertical pole.

[0016] A second motor is fixedly installed on one side of the lower surface of the housing, and the lower end of the lead screw passes through the housing and is fixedly connected to the output shaft end of the second motor.

[0017] Preferably, the inner wall of the box has through grooves on both sides, and the bottom surface of the box is inclined.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] (1) By starting the first motor, the staff can drive the second external gear ring to rotate. The rotating second external gear ring meshes with the first external gear ring, and the material bucket rotates with the bearing as the reference, so that the medical waste inside the material bucket can rotate with the material bucket, thereby increasing the spray range of the spray pipe, so that the disinfectant can evenly cover the surface of the medical waste, thereby achieving thorough disinfection, avoiding residual pathogens, and reducing the risk of cross-infection. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of a medical waste disinfection device according to the present invention;

[0021] Figure 2 This is a top view schematic diagram of a medical waste disinfection device according to the present invention;

[0022] Figure 3 This utility model relates to a medical waste disinfection device. Figure 2 Schematic diagram of the cross-sectional structure at point AA;

[0023] Figure 4 This utility model relates to a medical waste disinfection device. Figure 3 An enlarged schematic diagram of the structure at point A in the middle.

[0024] In the diagram: 1. Box body; 2. Support frame; 3. Bracket; 4. Spray pipe; 5. Ring frame; 6. Bearing; 7. Material bucket; 701. Base plate; 702. Through hole; 8. First external gear ring; 9. Drive assembly; 901. Support plate; 902. First motor; 903. Second external gear ring; 10. Crossbar; 11. Stirring blade; 12. Bevel gear; 13. Bevel gear ring; 14. Limiting hole; 15. Limiting rod; 16. Lifting structure; 1601. Lead screw; 1602. Lifting plate; 1603. Rotating column; 1604. Vertical pole; 1605. Second motor; 17. Through groove. Detailed Implementation

[0025] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0026] like Figures 1-4 As shown, a medical waste disinfection device includes a box 1, with support frames 2 fixedly installed on both sides of the lower surface of the box 1, and brackets 3 fixedly installed on both sides of the upper surface of the box 1. A spray pipe 4 is fixedly installed between the two brackets 3, with one end of the spray pipe 4 penetrating through the bracket 3.

[0027] Two brackets 3 are fixedly installed on opposite sides with a ring frame 5. A material bucket 7 is rotatably installed inside the ring frame 5 via a bearing 6. A first external toothed ring 8 is fixedly fitted onto the body of the material bucket 7. A drive component 9 for driving the first external toothed ring 8 to rotate is provided on one of the brackets 3 near the first external toothed ring 8.

[0028] The bottom of the material barrel 7 is provided with a base plate 701. The upper surface of the base plate 701 is curved. Several through holes 702 are opened through the inner wall of the material barrel 7.

[0029] The drive assembly 9 includes a support plate 901, which is fixedly installed on one of the brackets 3 near the first external gear ring 8. A first motor 902 is fixedly installed on one side of the upper surface of the support plate 901. A second external gear ring 903 is sleeved on the output shaft end of the first motor 902, and the second external gear ring 903 meshes with the first external gear ring 8.

[0030] The staff connected one end of the spray pipe 4 to the liquid supply equipment, then poured the medical waste into the container 7. The liquid supply equipment was then activated, allowing disinfectant to be sprayed onto the surface of the medical waste through the spray pipe 4. The staff then started the first motor 902, causing its output shaft to drive the second external gear ring 903 to rotate. The rotating second external gear ring 903 meshed with the first external gear ring 8, causing the container 7 to rotate around the bearing 6. This allowed the medical waste inside the container 7 to rotate with it, increasing the spray range of the spray pipe 4 and ensuring the disinfectant evenly covered the surface of the medical waste. This achieved thorough disinfection, preventing residual pathogens and reducing the risk of cross-infection.

[0031] In another embodiment of this utility model, a crossbar 10 is rotatably installed inside the material barrel 7, and a number of stirring blades 11 are fixedly installed on the body of the crossbar 10.

[0032] When the material bucket 7 rotates with bearing 6 as the reference, the operator controls the horizontal bar 10 to rotate, so that the rotating horizontal bar 10 drives the stirring blade 11 to rotate, thereby enabling the stirring blade 11 to stir the medical waste inside the material bucket 7, and thus make the medical waste roll, so that the disinfectant can more evenly cover the surface of the medical waste.

[0033] In another embodiment of this utility model, one end of the crossbar 10 passes through the material bucket 7 and is fitted with a bevel gear 12. A bevel gear ring 13 is fixedly installed on the inner wall of the ring frame 5, and the bevel gear 12 meshes with the bevel gear ring 13.

[0034] When the crossbar 10 rotates via the bearing 6, the crossbar 10 drives the stirring blade 11 to rotate under the meshing action of the bevel gear 12 and the bevel gear ring 13. No additional power source is needed to drive the rotation of the crossbar 10, thus improving the utilization rate of power.

[0035] In another embodiment of this utility model, a plurality of limiting holes 14 are provided on the upper surface of the base plate 701, and a plurality of limiting rods 15 are fixedly installed on the lower surface of the material barrel 7, with each limiting rod 15 interlocking with the corresponding limiting hole 14.

[0036] A lifting structure 16 for controlling the lifting of the base plate 701 is provided on one side of the housing 1.

[0037] The lifting structure 16 includes a lead screw 1601, which is rotatably installed at the bottom of the housing 1. A lifting plate 1602 is threaded on one side of the lead screw 1601. A rotating column 1603 is rotatably installed on the upper surface of the lifting plate 1602. The upper end of the rotating column 1603 is fixedly installed on the lower surface of the base plate 701.

[0038] A vertical pole 1604 is fixedly installed on the other side of the bottom inside the box 1, and a lifting plate 1602 is slidably disposed on one side of the vertical pole 1604.

[0039] A second motor 1605 is fixedly installed on one side of the lower surface of the housing 1. The lower end of the lead screw 1601 passes through the housing 1 and is fixedly connected to the output shaft end of the second motor 1605.

[0040] By setting a limiting rod 15 and a limiting hole 14, after the limiting rod 15 is inserted into the limiting hole 14, the bottom plate 701 can rotate with the material bucket 7 while bearing the medical waste. After spraying, the disinfectant is removed from the through hole 702. Then, the staff starts the second motor 1605, which drives the lead screw 1601 to rotate. The rotating lead screw 1601 drives the lifting plate 1602 to descend through the threaded screw, so that the bottom plate 701 descends, and the medical waste moves into the box 1 through the arc surface of the bottom plate 701.

[0041] The inner walls of the box 1 have through grooves 17 on both sides, and the bottom surface of the box 1 is inclined.

[0042] The medical waste moved into the container 1 moves through the inclined surface at the bottom of the container 1 to the channel 17, and then exits the container 1 through the channel 17, making it convenient for staff to collect the disinfected medical waste.

[0043] The working principle of this medical waste disinfection device:

[0044] In use, the staff connects one end of the spray pipe 4 to the liquid supply equipment. Then, the staff pours the medical waste into the container 7 and starts the liquid supply equipment, so that the disinfectant is sprayed onto the surface of the medical waste through the spray pipe 4. Then, the staff starts the first motor 902, so that its output shaft drives the second external gear ring 903 to rotate. Under the meshing action of the rotating second external gear ring 903 with the first external gear ring 8, the container 7 rotates around the bearing 6, so that the medical waste inside the container 7 can rotate with the container 7, thereby increasing the spray range of the spray pipe 4 and allowing the disinfectant to evenly cover the surface of the medical waste, thereby achieving thorough disinfection, avoiding residual pathogens, and reducing the risk of cross-infection.

[0045] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. For those skilled in the art, other variations or modifications can be made based on the above description. It is impossible to exhaustively list all the implementation methods here. Any obvious variations or modifications derived from the technical solutions of this utility model are still within the protection scope of this utility model.

Claims

1. A medical waste disinfection device, comprising a housing (1), characterized in that: Support frames (2) are fixedly installed on both sides of the lower surface of the box (1), and brackets (3) are fixedly installed on both sides of the upper surface of the box (1). A spray pipe (4) is fixedly installed between the two brackets (3), and one end of the spray pipe (4) passes through the bracket (3). Two brackets (3) are fixedly installed on opposite sides with a ring frame (5). A material bucket (7) is rotatably installed inside the ring frame (5) via a bearing (6). A first external toothed ring (8) is fitted and fixed on the body of the material bucket (7). A drive assembly (9) for driving the first external toothed ring (8) to rotate is provided on one of the brackets (3) near the first external toothed ring (8). The lower end of the material barrel (7) is provided with a bottom plate (701), the upper surface of the bottom plate (701) is an arc surface, and the inner wall of the material barrel (7) is provided with several through holes (702).

2. The medical waste disinfection device according to claim 1, characterized in that: The drive assembly (9) includes a support plate (901), which is fixedly installed on one of the brackets (3) near the first external gear ring (8). A first motor (902) is fixedly installed on one side of the upper surface of the support plate (901). A second external gear ring (903) is sleeved on the output shaft end of the first motor (902), and the second external gear ring (903) meshes with the first external gear ring (8).

3. The medical waste disinfection device according to claim 2, characterized in that: A crossbar (10) is rotatably installed inside the material bucket (7), and several stirring blades (11) are fixedly installed on the body of the crossbar (10).

4. The medical waste disinfection device according to claim 3, characterized in that: One end of the crossbar (10) passes through the material bucket (7) and is fitted with a bevel gear (12). A bevel gear ring (13) is fixedly installed on the inner wall of the ring frame (5). The bevel gear (12) meshes with the bevel gear ring (13).

5. A medical waste disinfection device according to claim 4, characterized in that: The upper surface of the base plate (701) is provided with several limiting holes (14), and the lower surface of the material bucket (7) is fixedly installed with several limiting rods (15), each of the limiting rods (15) being inserted and engaged with the corresponding limiting hole (14); A lifting structure (16) for controlling the lifting of the base plate (701) is provided on one side of the box (1).

6. A medical waste disinfection device according to claim 5, characterized in that: The lifting structure (16) includes a lead screw (1601), which is rotatably installed at the bottom of the housing (1). A lifting plate (1602) is threaded on one side of the lead screw (1601). A rotating column (1603) is rotatably installed on the upper surface of the lifting plate (1602). The upper end of the rotating column (1603) is fixedly installed on the lower surface of the base plate (701). A vertical pole (1604) is fixedly installed on the other side of the bottom of the box (1), and the lifting plate (1602) is slidably disposed on one side of the vertical pole (1604); A second motor (1605) is fixedly installed on one side of the lower surface of the housing (1), and the lower end of the lead screw (1601) passes through the housing (1) and is fixedly connected to the output shaft end of the second motor (1605).

7. The medical waste disinfection device according to claim 1, characterized in that: The inner walls of the box (1) are provided with through grooves (17) on both sides, and the bottom surface of the box (1) is inclined.

Citation Information

Patent Citations

  • Automatic disinfection device for medical wastes in public places

    CN220810676U