Medical waste crushing device facilitating feeding

Abstract

The medical waste crushing device comprises a shell, material collecting plates are oppositely fixed to the inner walls of the two sides of the shell, the material collecting plates incline from the two sides of the shell to the bottom face of the shell, a crushing cavity is formed in the shell, one end of each material collecting plate is connected with the crushing cavity, and the other end of each material collecting plate is connected with the crushing cavity. A first crushing roller and a second crushing roller are relatively and rotatably connected to the inner wall of the shell, the first crushing roller and the second crushing roller are both located above the material collecting plate, a feeding assembly is arranged on one side of the shell, a screen is fixed to the bottom face of the crushing cavity, and a crushing rod is rotatably connected to the interior of the crushing cavity; a crushing motor is fixed to the outer wall of one side of the shell, a material collecting box is arranged on the inner wall of the bottom face of the shell, and a box door is arranged at the bottom end of the outer wall of one side of the shell. According to the medical waste crushing device, the material collecting plate, the second crushing roller and the first crushing roller are arranged, medical waste is crushed for multiple times, the crushing effect is improved, meanwhile, the workload of the crushing rods is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of medical waste treatment, in particular to a medical waste crushing device which is convenient for loading. Background Art

[0002] Medical waste refers to contaminated waste produced by hospitals that has come into contact with patients' blood, flesh, etc., such as used cotton balls, gauze, adhesive tape, disposable medical instruments and other discarded products. If not handled properly, it will cause serious pollution to the environment and may also become the source of epidemics.

[0003] After searching, the Chinese patent publication number CN212383782U discloses a medical waste crushing device, including a box body, a feed port is installed at the top of the box body, and a discharge port is installed at the bottom of the box body, a baffle is fixed to the inner wall of the box body, and the inner wall of the box body is located on one side of the baffle and is rotatably connected to a crushing roller, one side of the feed port is rotatably connected to a rotating door, a connector is installed at the bottom end of the rotating door, the input end of the connector is connected to a wire, and a No. 1 motor is installed on the outer side of the discharge port.

[0004] The device is equipped with ultraviolet lamps to sterilize the inside of the device with ultraviolet light after crushing is completed to prevent bacteria from growing inside the device. However, the device only crushes medical waste through crushing rollers, and the crushing effect is poor. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a medical waste crushing device which is convenient for loading.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A medical waste crushing device that is easy to load, includes a shell, and collecting plates are relatively fixed to the inner walls on both sides of the shell. The collecting plates are inclined from both sides of the shell to the bottom surface of the shell, and a crushing chamber is arranged inside the shell. One end of the collecting plate is connected to the crushing chamber, and a first crushing roller and a second crushing roller are relatively rotatably connected to the inner wall of the shell, and the first crushing roller and the second crushing roller are both located above the collecting plate.

[0008] As a further solution of the utility model: a loading assembly is arranged on one side of the shell, and the loading assembly includes a support rod, the support rod is arranged on one side of the shell, a conveying pipe is fixed obliquely on the top surface of the support rod, a feeding hopper is fixed at the bottom end of the conveying pipe, a connecting pipe is fixed on one side of the top end of the conveying pipe, and one end of the connecting pipe is connected to the shell.

[0009] As a further solution of the utility model: the inner wall of the conveying pipe is rotatably connected with a spiral conveying rod, the outer wall of the top end of the conveying pipe is fixed with a conveying motor, and the output shaft of the conveying motor is connected with the spiral conveying rod.

[0010] As a further solution of the utility model: a screen is fixed on the bottom surface of the crushing chamber, a crushing rod is rotatably connected inside the crushing chamber, a crushing motor is fixed to the outer wall of one side of the shell, and the output shaft of the crushing motor is connected to the crushing rod.

[0011] As a further solution of the utility model: one end of the first crushing roller passes through the shell and is connected to a driven wheel, one end of the first crushing roller is fixed with a driving gear, one end of the second crushing roller is fixed with a driven gear, and the driving gear is meshed with the driven gear.

[0012] As a further solution of the utility model: a driving wheel is fixed on the output shaft of the crushing motor, and the driving wheel and the driven wheel are driven by a belt.

[0013] As a further solution of the utility model: a material receiving box is arranged on the inner wall of the bottom surface of the shell, and a box door is arranged on the bottom end of the outer wall of one side of the shell.

[0014] As a further solution of the utility model: a waste liquid chamber is arranged on the inner wall of the shell near the box door, the waste liquid chamber is located below the screen, a filter plate is fixed on the top surface of the waste liquid chamber, the filter plate is inclined from the end near the box door toward the material receiving box, and a drain pipe is fixed on one side of the waste liquid chamber.

[0015] Compared with the prior art, the utility model provides a medical waste crushing device which is easy to load and has the following beneficial effects:

[0016] 1. The utility model, by providing a collection plate, a second crushing roller and a first crushing roller, can crush medical waste multiple times, thereby improving the crushing effect, and at the same time, reducing the workload of the crushing rod and improving the work efficiency.

[0017] 2. The utility model is provided with a feeding assembly and uses a spiral conveying rod to convey medical waste, which is convenient for feeding into the device and saves manpower.

[0018] 3. The utility model, by providing a filter plate and a waste liquid chamber, separates the solid and liquid of the crushed medical waste, facilitates recycling, and avoids the liquid from causing harm to the staff during recycling.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a schematic diagram of the overall structure of a medical waste crushing device that is easy to load, proposed by the utility model;

[0021] Figure 2 This is a side structural schematic diagram of a medical waste crushing device that is easy to load and proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the transmission structure of the driving wheel and the driven wheel of a medical waste crushing device that is easy to load;

[0023] Figure 4 This is a schematic diagram of the internal structure of a medical waste crushing device that is easy to load, proposed by the utility model;

[0024] Figure 5 This is a side sectional view of a medical waste crushing device that is easy to load, proposed by the utility model.

[0025] In the figure: 1-shell, 2-support rod, 3-conveying pipe, 4-feeding hopper, 5-conveying motor, 6-connecting pipe, 7-screw conveying rod, 8-crushing motor, 9-crushing rod, 10-crushing chamber, 11-collecting plate, 12-second crushing roller, 13-first crushing roller, 14-filter plate, 15-waste liquid chamber, 16-collecting box, 17-box door, 18-drain pipe, 19-driving gear, 20-driven gear, 21-driving wheel, 22-driven wheel, 23-belt, 24-screen. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Example 1

[0029] A medical waste crushing device that is easy to load, such as Figures 1 to 5As shown, it includes a shell 1, a feeding assembly is arranged on one side of the shell 1, and the feeding assembly includes a support rod 2, the support rod 2 is arranged on one side of the shell 1, a conveying pipe 3 is fixed obliquely on the top surface of the support rod 2, a feeding hopper 4 is fixed on the bottom end of the conveying pipe 3, a connecting pipe 6 is fixed on one side of the top end of the conveying pipe 3, one end of the connecting pipe 6 is communicated with the shell 1, a spiral conveying rod 7 is rotatably connected to the inner wall of the conveying pipe 3, a conveying motor 5 is fixed to the outer wall of the top end of the conveying pipe 3, and the output shaft of the conveying motor 5 is connected to the spiral conveying rod 7, and collecting plates 11 are relatively fixed to the inner walls on both sides of the shell 1, and the collecting plates 11 are inclined from both sides of the shell 1 to the bottom surface of the shell 1, a crushing chamber 10 is arranged inside the shell 1, one end of the collecting plate 11 is connected to the crushing chamber 10, and the inner wall of the shell 1 is relatively rotatably connected to the first crushing roller 13 and the second crushing roller 12, the first crushing roller 13 and the second crushing roller 12 are both located above the collecting plate 11, a screen 24 is fixed to the bottom surface of the crushing chamber 10, a crushing rod 9 is rotatably connected inside the crushing chamber 10, a crushing motor 8 is fixed to the outer wall of one side of the shell 1, the output shaft of the crushing motor 8 is connected to the crushing rod 9, one end of the first crushing roller 13 passes through the shell 1 and is connected to a driven wheel 22, a driving wheel 21 is fixed on the output shaft of the crushing motor 8, the driving wheel 21 and the driven wheel 22 are driven by a belt 23, a driving gear 19 is fixed to one end of the first crushing roller 13, a driven gear 20 is fixed to one end of the second crushing roller 12, the driving gear 19 is in transmission meshing with the driven gear 20, a material receiving box 16 is provided on the inner wall of the bottom surface of the shell 1, and a box door 17 is provided at the bottom end of the outer wall of one side of the shell 1.

[0030] During crushing, the medical waste is poured into the hopper 4, the conveying motor 5 is started, and the spiral conveying rod 7 is driven to rotate, and the medical waste inside the hopper 4 is conveyed to the inside of the shell 1. At the same time, the crushing motor 8 drives the crushing rod 9 to rotate, and through the transmission of the driving wheel 21, the driven wheel 22, the driving gear 19 and the driven gear 20, the first crushing roller 13 and the second crushing roller 12 are rotated in the opposite direction. The medical waste entering the shell 1 is concentrated to the first crushing roller 13 and the second crushing roller 12 through the collecting plate 11, and the medical waste is roughly crushed by the shear force between the first crushing roller 13 and the second crushing roller 12. The crushed medical waste enters the crushing chamber 10 and is crushed for the second time by the crushing rod 9. When the medical waste inside the crushing chamber 10 is crushed to a predetermined size, it falls into the receiving box 16 through the screen 24. When the medical waste in the receiving box 16 reaches a certain amount, the staff opens the box door 17 and takes out the receiving box 16.

[0031] By arranging the collecting plate 11, the second crushing roller 12 and the first crushing roller 13, the medical waste is roughly crushed to improve the crushing effect. At the same time, the workload of the crushing rod 9 is reduced to improve the work efficiency.

[0032] By providing a feeding assembly and utilizing the spiral conveying rod 7 to convey medical waste, it is convenient to feed the material into the device, thus saving manpower.

[0033] Example 2

[0034] A medical waste crushing device that is easy to load, this embodiment makes the following improvements on the basis of embodiment 1, such as Figure 2 , Figure 5 As shown, a waste liquid chamber 15 is provided on the inner wall of the shell 1 near the box door 17, and the waste liquid chamber 15 is located below the screen 24. A filter plate 14 is fixed to the top surface of the waste liquid chamber 15, and the filter plate 14 is inclined from the end near the box door 17 toward the material receiving box 16, and a drain pipe 18 is fixed to one side of the waste liquid chamber 15.

[0035] The crushed medical waste falls onto the surface of the filter plate 14 through the screen 24 and slides down along the filter plate 14 . During the sliding process, the liquid in the medical waste enters the waste liquid cavity 15 through the filter plate 14 , and the solid medical waste falls into the receiving box 16 .

[0036] By providing the filter plate 14 and the waste liquid chamber 15, the crushed medical waste is separated into solid and liquid, which is convenient for recycling and avoids the liquid from causing harm to the staff during recycling.

[0037] Working principle: When crushing, pour the medical waste into the hopper 4, start the conveying motor 5, drive the screw conveying rod 7 to rotate, and transport the medical waste in the hopper 4 to the inside of the shell 1. At the same time, the crushing motor 8 drives the crushing rod 9 to rotate, and through the transmission of the driving wheel 21, the driven wheel 22, the driving gear 19 and the driven gear 20, the first crushing roller 13 and the second crushing roller 12 rotate in the opposite direction. The medical waste entering the shell 1 is concentrated to the first crushing roller 13 and the second crushing roller 12 through the collecting plate 11, and the medical waste is crushed by the first crushing roller 13 and the second crushing roller 12. The shear force between the two crushing rollers 12 roughly crushes the medical waste. The crushed medical waste enters the crushing chamber 10 and is crushed for the second time by the crushing rod 9. When the medical waste inside the crushing chamber 10 is crushed to a predetermined size, it falls on the surface of the filter plate 14 through the screen 24 and slides along the filter plate 14. During the sliding process, the liquid in the medical waste enters the waste liquid chamber 15 through the filter plate 14, and the solid medical waste falls into the receiving box 16. When the amount of medical waste in the receiving box 16 reaches a certain amount, the staff opens the box door 17 and takes out the receiving box 16.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A medical waste pulverizing device that is easy to load, comprising a housing (1), characterized in that: Aggregate plates (11) are relatively fixed to the inner walls on both sides of the shell (1), and the aggregate plates (11) are inclined from both sides of the shell (1) to the bottom surface of the shell (1). A crushing chamber (10) is provided inside the shell (1), and one end of the aggregate plate (11) is connected to the crushing chamber (10). A first crushing roller (13) and a second crushing roller (12) are relatively rotatably connected to the inner wall of the shell (1), and the first crushing roller (13) and the second crushing roller (12) are both located above the aggregate plate (11).

2. A medical waste crushing device that is easy to load according to claim 1, characterized in that: A loading assembly is arranged on one side of the shell (1), and the loading assembly comprises a support rod (2), the support rod (2) being arranged on one side of the shell (1), a conveying pipe (3) being fixed obliquely on the top surface of the support rod (2), a feeding hopper (4) being fixed at the bottom end of the conveying pipe (3), a connecting pipe (6) being fixed on one side of the top end of the conveying pipe (3), and one end of the connecting pipe (6) being connected to the shell (1).

3. The medical waste crushing device that is easy to load according to claim 2 is characterized in that: The inner wall of the conveying pipe (3) is rotatably connected to a spiral conveying rod (7), a conveying motor (5) is fixed to the outer wall at the top end of the conveying pipe (3), and an output shaft of the conveying motor (5) is connected to the spiral conveying rod (7).

4. The medical waste crushing device that is easy to load according to claim 1 is characterized in that: A screen (24) is fixed to the bottom surface of the crushing chamber (10), a crushing rod (9) is rotatably connected to the inside of the crushing chamber (10), a crushing motor (8) is fixed to the outer wall of one side of the housing (1), and an output shaft of the crushing motor (8) is connected to the crushing rod (9).

5. The medical waste crushing device that is easy to load according to claim 1 is characterized in that: One end of the first crushing roller (13) passes through the housing (1) and is connected to a driven wheel (22); one end of the first crushing roller (13) is fixed with a driving gear (19); one end of the second crushing roller (12) is fixed with a driven gear (20); the driving gear (19) is in driving meshing engagement with the driven gear (20).

6. The medical waste crushing device that is easy to load according to claim 4 is characterized in that: A driving wheel (21) is fixed on the output shaft of the crushing motor (8), and a belt (23) is used to transmit power between the driving wheel (21) and the driven wheel (22).

7. The medical waste crushing device that is easy to load according to claim 1 is characterized in that: A material receiving box (16) is provided on the inner wall of the bottom surface of the shell (1), and a box door (17) is provided on the bottom end of the outer wall of one side of the shell (1).

8. The medical waste crushing device that is easy to load according to claim 1 is characterized in that: A waste liquid chamber (15) is provided on the inner wall of the shell (1) near the box door (17), the waste liquid chamber (15) being located below the screen (24), a filter plate (14) being fixed on the top surface of the waste liquid chamber (15), the filter plate (14) being inclined from the end near the box door (17) toward the material receiving box (16), and a drain pipe (18) being fixed on one side of the waste liquid chamber (15).

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