CN113716235B

CN113716235B - Medical garbage can

Info

Publication number: CN113716235B
Application number: CN202111010427.6A
Authority: CN
Inventors: 许欣; 吕晓光
Original assignee: Wuhan University WHU
Current assignee: Wuhan University WHU
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-07-29
Anticipated expiration: 2041-08-31
Also published as: CN113716235A

Abstract

The application relates to a medical garbage can, and relates to the technical field of medical instruments. The medical garbage can comprises a first can body and a second can body, wherein the first can body comprises an accommodating cavity, an extrusion unit is arranged in the accommodating cavity and comprises at least one extrusion assembly, the extrusion assembly can stretch out and draw back and rotate on the inner wall of one side of the first can body, the second can body is accommodated in the accommodating cavity, the extrusion assembly comprises a first state and a second state, when the extrusion assembly is in the first state, the extrusion assembly is in a contraction state and used for shielding a gap between the first can body and the second can body, corresponding to the side where the extrusion assembly is located, when the extrusion assembly is in the second state, the extrusion assembly is in an extension state, at least part of the extrusion assembly extends into the second can body, and garbage in the second can body is compressed. The application provides a medical garbage bin has solved among the correlation technique medical garbage bin and has transported the in-process and easily cause the infection, and the actual accommodation space leads to frequently changing the problem that takes trouble and difficultly for a short time.

Description

Medical garbage can

Technical Field

The application relates to the technical field of medical equipment, in particular to a medical garbage can.

Background

The medical garbage can is a waste container which is used for containing direct or indirect infectivity, toxicity and other harmfulness generated by medical and health institutions in medical treatment, prevention, health care and other related activities, and medical garbage is sealed and stored after being placed into the medical garbage can so as to reduce the virus transmission risk.

Among the correlation technique, medical garbage bin is the yellow plastic garbage bin of simple mostly, the unable condition in the visual observation garbage bin of user, consequently, often the garbage bin still continues splendid attire rubbish after exceeding its holding capacity, leads to rubbish to overflow, has increased the virus and has revealed the risk, influences the staff simultaneously and seals prick, the turnover, needs the staff to inspect often, and the very first time carries out corresponding processing, and is more time-consuming and energy-consuming, and the process is also too sanitary. In addition, the garbage can is internally sleeved with the disposable plastic bag to contain garbage, and the garbage bag is very easy to scratch in the using and transferring processes to cause the damage of the garbage bag, so that the garbage is leaked, and the disease infection risk is increased.

Remove sharp syringe needle among the medical waste, rubbish such as disposable cutter, present medical waste is the plastics class mostly, non-woven fabrics class and paper system class, above-mentioned medical waste all has better fluffiness, consequently directly put into the garbage bin in the back, often take up space great, and the gap is great between each rubbish, very easily cause the garbage bin to fill up, there is extravagant phenomenon in the garbage bin inner volume, the loading space of garbage bin has been wasted greatly, frequently change the disposal bag in addition, and waste time and energy when causing the wasting of resources. In addition, most of the medical trash cans at the present stage are of a pedal flip type structure, and have no odor removal function, aerosol is easily generated due to the generation of air flow at the moment of opening the can cover, so that the risk of pollution diffusion exists, the user is brought with extremely poor use experience, and the medical trash can is not suitable for infectious wards, particularly intensive infectious wards.

Disclosure of Invention

The embodiment of the application provides a medical garbage bin to easily cause the infection in the medical garbage bin transportation process among the solution correlation technique, and the actual accommodation space leads to frequently changing the problem that takes trouble hard for a long time.

In a first aspect, a medical waste bin is provided, which includes:

the first barrel comprises an accommodating cavity, an extrusion unit is arranged in the accommodating cavity and comprises at least one extrusion assembly, and the extrusion assembly can be arranged on the inner wall of one side of the first barrel in a telescopic and rotating manner;

the second barrel body is accommodated in the accommodating cavity; wherein the content of the first and second substances,

the squeezing assembly comprises a first state and a second state, when the squeezing assembly is in the first state, the squeezing assembly is in a contraction state and used for shielding a gap between the first barrel body and the second barrel body on the corresponding side where the squeezing assembly is located, and when the squeezing assembly is in the second state, the squeezing assembly is in an extension state and at least partially extends into the second barrel body so as to compress garbage in the second barrel body.

In some embodiments, the compression assembly comprises:

one end of the telescopic rod is rotatably connected with the inner side wall of the first barrel body, and the horizontal plane of the connecting point is higher than the horizontal plane of the top of the second barrel body;

One side of the extrusion plate is rotationally connected with one end of the telescopic rod, which is far away from the first barrel body; wherein, the first and the second end of the pipe are connected with each other,

when the garbage can is in the first state, the telescopic rod is in a contraction state, the extrusion plate is obliquely arranged, the extrusion plate is used for shielding a gap between the first can body and the second can body on the corresponding side where the extrusion plate is located, when the extrusion plate is in the second state, the telescopic rod is in an extension state, the extrusion plate is horizontally arranged and located inside the second can body, and the telescopic rod is used for driving the extrusion plate to move up and down along the second can body so as to compress garbage located in the second can body.

In some embodiments, a throwing port is formed in the top of the first barrel body, a control cover and an infrared sensor are arranged on the throwing port, one end of the control cover is connected with the throwing port, and the other end of the control cover is monitored by the infrared sensor and used for horizontally moving along the throwing port to close or open the throwing port.

In some embodiments, the control cover is further provided with a self-locking unit and a monitoring unit, the monitoring unit is used for monitoring the actual height of the garbage in the second barrel body compressed by the squeezing plate, and the self-locking unit is used for locking or unlocking the control cover according to the actual height and the early warning height.

In some embodiments, the number of the pressing assemblies is 4, each of the pressing assemblies is disposed on one side of the inner sidewall of the first barrel body, and when the second state is reached, two pressing plates located on opposite sides of one of the groups of the first barrel body and two pressing plates located on opposite sides of the other group of the groups of the first barrel body are located on different horizontal planes and are overlapped with each other to compress the garbage in the second barrel body.

In some embodiments, an opening and closing door is arranged on one side of the first barrel body, a cover inlet is arranged above the opening and closing door, the second barrel body enters and exits the accommodating cavity through the opening and closing door, the second barrel body further comprises a barrel cover, and the barrel cover enters and exits the accommodating cavity through the cover inlet.

In some embodiments, two guide rails are arranged on the inner side of the bottom of the first barrel body, and a plurality of guide wheels matched with the guide rails are arranged at the bottom of the second barrel body.

In some embodiments, a positioning groove is formed in the top surface of the barrel cover, and the size of the positioning groove is matched with the distribution shape of the guide wheels.

In some embodiments, each of the extrusion plates is provided with an activated carbon layer.

In some embodiments, a handle is disposed on one side of the second barrel.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a medical garbage can, which is provided with a first can body, a second can body and an extrusion unit, wherein the second can body and the extrusion unit are accommodated in an accommodating cavity of the first can body; in addition, the double-deck structural design of first staving and second staving, the leakproofness is strong, through the direct storage of second staving for at the in-process firmness height of turnover medical waste, avoid medical waste unrestrained external environment of polluting in the turnover in-process.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a first overall body of a medical trash can according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a second barrel body of the medical trash can according to the embodiment of the present application

Fig. 3 is a cross-sectional view of the medical waste bin in a first state according to the embodiment of the present application;

fig. 4 is a cross-sectional view of the medical waste bin in the second state along the vertical direction according to the embodiment of the present application.

In the figure: 1-a first barrel body, 10-a containing cavity, 11-a guide rail, 12-a throwing port, 13-a control cover, 2-an extrusion assembly, 20-a telescopic rod, 21-an extrusion plate, 3-a second barrel body, 30-a barrel cover, 31-a guide wheel, 32-a positioning groove and 33-a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a medical garbage bin, and it can solve easily to cause the infection among the medical garbage bin transportation process among the correlation technique, and the actual accommodation space leads to frequently changing the problem that takes trouble and difficultly for a short time.

Referring to fig. 1, the medical garbage can mainly comprises a first can body 1 and a second can body 3, wherein the first can body 1 comprises an accommodating cavity 10, an extrusion unit is arranged in the accommodating cavity 10 and comprises at least one extrusion assembly 2, the extrusion assembly 2 can be telescopically arranged on the inner wall of one side of the first can body 1 in a rotating manner, and the second can body 3 is accommodated in the accommodating cavity 10; wherein, extrusion subassembly 2 includes first state and second state, and when being in the first state, extrusion subassembly 2 is in the shrink state to the clearance of being in between first staving 1 and the second staving 3 of the corresponding side of its place shelters from, and when being in the second state, extrusion subassembly 2 is in extension state, and at least part stretches into in the second staving 3, with the rubbish that the compression is located in the second staving 3.

It is specific, because medical waste generally contains a lot of more sharp-pointed rubbish like this kind of syringe needle, and or be stained with blood or other liquid itself and have rubbish such as gauze, paper handkerchief of pathogen, therefore, in the rubbish transportation process of garbage bin, if adopt interior plastic bag of traditional garbage bin, direct transport to bigger garbage bin or garbage truck through the refuse chute after the rubbish that the plastic bag loaded is full, the damage of garbage bag is probably taken place in the middle of this transportation, in case damaged, inside rubbish falls out, there is very big virus to spread hidden danger after all, still increase very big degree of difficulty and work load for subsequent clearance. Consequently, this medical garbage bin adopts the structural style of outer bucket in first staving 1 and this kind of second staving 3, and the effect of second staving 3 is the plastic bag promptly, and when rubbish reachd certain volume needs to be transported, directly take out in first staving 1 second staving 3 transport can, carry out high pressure after the transport end and wash, disinfect, dry immediately, carry out follow-up use again, guarantee the safety of transportation, also practiced thrift the use of plastic refuse bag greatly.

Further, as shown in fig. 3 and 4, the squeezing assembly 2 mainly comprises a telescopic rod 20 and a squeezing plate 21, wherein one end of the telescopic rod 20 is rotatably connected with the inner side wall of the first barrel body 1, the horizontal plane of the connecting point is higher than the horizontal plane of the top of the second barrel body 3, and one side of the squeezing plate 21 is rotatably connected with one end of the telescopic rod 20 far away from the first barrel body 1. Specifically, when being in the first state, telescopic link 20 is in the contraction state, and the stripper plate 21 slope sets up, and stripper plate 21 is used for sheltering from the clearance between first staving 1 and the second staving 3 of its corresponding side of locating, and when being in the second state, telescopic link 20 is in the extension state, and the stripper plate 21 level sets up and is located inside the second staving 3, and telescopic link 20 is used for driving stripper plate 21 and reciprocates along the second staving 3 to the rubbish that the compression is located the second staving 3.

Specifically, because the medical garbage can is a double-can arrangement, in order to prevent liquid or solid garbage from entering a gap between the first can body 1 and the second can body 3 in the process of losing the garbage, so that the first can body 1 is polluted and the infection risk of the external environment is increased, and the subsequent cleaning work is also increased, therefore, the extrusion unit is endowed with two states, when the throwing opening is opened, the telescopic rod 20 is contracted, and the extrusion plate 21 is obliquely arranged and is used for shielding the gap between the first can body 1 and the second can body 3 on the corresponding side where the extrusion plate is positioned, so that the garbage can be effectively prevented from entering the gap between the first can body 1 and the second can body, because much garbage is high in bulkiness, in order to avoid the garbage from overflowing and frequently replacing the second can body, when no one loses the garbage throwing opening to be closed and the garbage in the second can body exceeds a certain amount, the telescopic rod 20 is extended, and the extrusion plate 21 is horizontally arranged and positioned inside the second can body 3 at the moment, the telescopic link 20 is used for driving the extrusion plate 21 to reciprocate along the second barrel body 3 so as to compress the garbage in the second barrel body 3, so that the garbage in the second barrel body 3 has certain compactness, frequent replacement and cleaning are avoided, and manpower and material resources are wasted.

Further, from structural design's angle, the quantity of extrusion subassembly 2 is 4 groups, and each group of extrusion subassembly 2 locates one of them side of the inside wall of first staving 1, and when specifically being in the second state, two stripper plates 21 that lie in first staving 1 wherein a set of opposite side are in same horizontal plane to be in different horizontal planes with two stripper plates 21 that lie in another set of opposite side, stagger each other, and the form that superposes each other from top to bottom compresses the rubbish in the second staving 3 under the drive of telescopic link 20. Referring to fig. 3 and 4, the retractable rod 20 is an antenna-like retractable sleeve structure, and when it is fully retracted, its length is short, and here, it is sufficient to set the space in the first state, and in addition, in order to facilitate the switching between the first state and the second state, a certain distance exists between the top of the extrusion plate 21 in the first state and the input port of the first barrel, so as to ensure that the extrusion plate 21 has enough space to switch between the first state and the second state under the driving of the retractable rod 20.

Further, as shown in fig. 1, since the garbage loaded in the garbage bin carries pathogenic bacteria, pathogens and the like, in order to reduce the propagation of aerosol as much as possible and ensure the portability of the garbage and the safety of the personnel who lose the garbage, a throwing port 12 is arranged at the top of the first bin body 1, a control cover 13 and an infrared sensor are further arranged on the throwing port 12, one end of the control cover 13 is connected with the throwing port 12, and the other end of the control cover is used for moving horizontally along the throwing port 12 under the monitoring of the infrared sensor so as to close or open the throwing port 12. Specifically, infrared sensor mainly used monitors the distance between personnel and the first barrel 1, if the distance is nearer, reaches the preset distance of uncapping, then control lid 13 is opened in order to open and puts in mouthful 12, and personnel walk away after having lost rubbish, in case surpass the preset distance of uncapping, then close control lid 13 immediately in order to close and put in mouthful 12. Wherein, control lid 13 can be for the beta structure of similar shutter, also can be for the extending structure of similar telescopic link to put in mouth 12 and open and close, compare the structure of flip type, the structure that sets up along the horizontal direction can be better prevent uncap and close the aerosol pollution of lid in-process, in order to guarantee air quality and protection relevant personnel's safety.

Further, the control cover 13 is further provided with a self-locking unit and a monitoring unit, the monitoring unit is used for monitoring the actual height of the garbage in the second barrel body 3 compressed by the extrusion plate 21, and the self-locking unit is used for locking or unlocking the control cover 13 according to the size between the actual height and the early warning height. The monitoring unit is used for cooperating extrusion subassembly 2 to carry out the switching between first state and the second state, and the auto-lock unit then mainly lies in highly enough high after the monitoring extrusion, can not accept rubbish again after, locks control lid 13, prevents to lose rubbish towards the inside again, causes to spill over danger, increases the risk and the clean intensity that the pathogen propagated.

Further, in order to guarantee that the in-process of transporting rubbish does not produce the pollution to external environment, consequently be equipped with an opening and shutting door on one of them side of first staving 1, the top of opening and shutting door is equipped with one and goes into the lid mouth, chamber 10 is acceptd through the business turn over of opening and shutting door to second staving 3, this has made things convenient for operating personnel to take out or put into second staving 3 from first staving 1, consequently second staving 3 has certain weight after filling with the rubbish after compressing tightly, consequently, the business turn over of opening and shutting door that the edgewise was seted up, fine saving physical power. The second barrel body 3 further comprises a barrel cover 30, the barrel cover 30 enters and exits the accommodating cavity 10 through a cover inlet, and the barrel cover 30 is covered on the top of the second barrel body 3 through the cover inlet before the second barrel body 3 is taken out after the second barrel body is generally filled with the materials.

Further, referring to fig. 2, in order to facilitate the entry and exit of the second barrel 3, two guide rails 11 are further disposed on the inner side of the bottom of the first barrel 1, a plurality of guide wheels 31 matched with the guide rails 11 are disposed at the bottom of the second barrel 3, and the guide wheels 31 are slidably disposed on the guide rails 11 to enable the entry and exit of the second barrel 3.

Further, a positioning groove 32 is further formed in the top surface of the tub cover 30, and the size of the positioning groove 32 is matched with the distribution shape of the plurality of guide wheels 31. In practical application, when the second bin body 3 is fully loaded with garbage, the garbage needs to be transported, and then the second bin body 3 which is cleaned in advance can be replaced by another second bin body 3 after being taken out, so that the garbage can be used at any time as far as possible. Therefore there is a small part of second staving 3 as the storage bucket in fact, because second staving 3 has certain volume, store and need great space, in order to practice thrift storage space as far as, consequently set up positioning groove 32 on the top surface of every bung 30, and because positioning groove 32's size matches with the distribution shape of a plurality of leading wheels 31, consequently can deposit second staving 3 superpose each other, and positioning groove 32's structure can avoid leading wheels 31 to slide easily and lead to depositing unstable problem better.

Furthermore, in order to reduce the odor generated by garbage as much as possible and to open the cover to enable aerosol possibly generated, each extrusion plate 21 is provided with an activated carbon layer which is detachably arranged on the extrusion plate 21, so that the replacement is convenient, and the risk of aerosol diffusion is reduced as much as possible.

Furthermore, one side of the second barrel body 3 is provided with a handle 33, so that the operator can conveniently exert force when taking out or putting in the second barrel body, the operation is convenient, and the high efficiency and safety of the whole process are ensured.

The principle of the medical garbage can is as follows:

before use, the opening and closing door is opened, the second barrel body 3 is placed in the first barrel body 1 through the matching of the guide wheel 31 and the guide rail 11, the opening and closing door is closed, the telescopic rod 20 is contracted, the extrusion plate 21 is obliquely arranged, and a gap between the first barrel body 1 and the second barrel body 3 on the corresponding side where the extrusion plate is located is shielded; during the use, when personnel are close to or the staff is close to control lid 13 and when reaching the distance of uncapping apart from, infrared sensor senses the back, sends information for the treater, and the treater drive is opened control lid 13, puts into the back with medical waste, and the staff leaves, and when the distance was greater than the distance of uncapping, drive control lid 13 was closed.

Along with the going on of loading, after the rubbish loading in the second staving 3 reaches a quantitative, under monitoring unit's monitoring, extrusion subassembly 2 begins work, telescopic link 20 extension, stripper plate 21 level setting this moment and lie in inside second staving 3, telescopic link 20 drive stripper plate 21 reciprocates along second staving 3, with the rubbish that the compression is located second staving 3, make the rubbish in the second staving 3 have certain closely knit degree, avoid frequently changing and wasing, extravagant manpower and materials. After the extrusion is many times, when highly reaching the early warning height after the extrusion, the auto-lock unit starts, after monitoring can not accept rubbish again, locks control lid 13, prevents to lose rubbish to the inside again, causes and spills over danger, increases the risk and the clean intensity that the pathogen propagated.

After the staff arrives, insert bung 30 through going into the lid mouth to on the lid fits second staving 3, open the retractable door afterwards, pulling handle 33, under the cooperation of leading wheel 31 and guide rail 11, take out second staving 3 from first staving 1, in addition the back is taken out to second staving 3, can also be through the fastener on the bung again in order to lock it and second staving 3, convenient turnover removes, puts into new second staving 3 in first staving 1 again after taking out, and medical garbage bin puts into use again.

This medical garbage bin is through setting up first staving and acceping the second staving and the extrusion unit of the intracavity of acceping that accept in first staving, when putting in the mouth and opening, utilize the extrusion unit to shelter from the clearance between first staving and the second staving, in avoiding the use, when placing medical waste to the second staving, the mistake drops into rubbish and causes pollution and subsequent difficult clearance in the cavity between outer staving and the interior staving, when the second staving collect rubbish to a quantitative and put in the mouth and close the back, then utilize the extrusion unit to extrude the medical waste in the second staving, make the medical waste in the second staving become tight and real, the rubbish placement rate of second staving has been increased, reduce the change frequency, practice thrift consumptive material and manpower resources, avoid the diffusion of aerosol simultaneously. Secondly, the bilayer structure design of first staving and second staving, the leakproofness is strong, through second staving direct storage for the in-process firmness at turnover medical waste is high, avoids medical waste unrestrained external environment that pollutes at the turnover in-process.

In addition, the control cover is in a horizontally opened mode, airflow flowing is reduced, aerosol is reduced, virus infection risks are reduced, when a human body is far away from the infrared sensor, the control cover is closed in time, the human body is prevented from being in direct contact with the control cover, the human body infection risks are reduced, and the control cover is safe and sanitary. This medical garbage bin passes through the design of structure and mutually supports, provides one kind and has fine infection-preventing, safe and reliable's garbage bin, is applicable to the garbage collection work of environments such as pass catch disease, has solved easily causing the infection among the medical garbage bin transportation process among the correlation technique well, and the actual accommodation space leads to frequently changing the problem that takes trouble and difficultly for a short time.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly and encompass, for example, both fixed and removable coupling as well as integral coupling; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above are merely exemplary embodiments of the present application and are intended to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medical trash can, its characterized in that, it includes:

the first barrel body (1) comprises a containing cavity (10), an extrusion unit is arranged in the containing cavity (10), a second barrel body (3) is contained in the containing cavity (10), the extrusion unit comprises at least one extrusion assembly (2), the extrusion assembly (2) comprises an expansion rod (20) and an extrusion plate (21), one end of the expansion rod (20) is rotatably connected with the inner side wall of the first barrel body (1), the horizontal plane of a connection point is higher than the horizontal plane of the top of the second barrel body (3), and one side of the extrusion plate (21) is rotatably connected with one end, far away from the first barrel body (1), of the expansion rod (20);

the feeding port (12) is arranged at the top of the first barrel body (1), a control cover (13) and an infrared sensor are arranged on the feeding port (12), one end of the control cover (13) is connected with the feeding port (12), the other end of the control cover is used for horizontally moving along the feeding port (12) under the monitoring of the infrared sensor so as to close or open the feeding port (12), a self-locking unit and a monitoring unit are further arranged on the control cover (13), the monitoring unit is used for monitoring the actual height of garbage in the second barrel body (3) compressed by the extrusion plate (21), and the self-locking unit is used for locking or unlocking the control cover (13) according to the size between the actual height and the early warning height; wherein the content of the first and second substances,

The squeezing assembly (2) comprises a first state and a second state, when the squeezing assembly is in the first state, the telescopic rod (20) is in a contraction state, the squeezing plate (21) is obliquely arranged, the squeezing plate (21) is used for shielding a gap between the first barrel body (1) and the second barrel body (3) on the corresponding side where the squeezing plate (21) is located, when the squeezing assembly is in the second state, the telescopic rod (20) is in an extension state, the squeezing plate (21) is horizontally arranged and located inside the second barrel body (3), and the telescopic rod (20) is used for driving the squeezing plate (21) to move up and down along the second barrel body (3) so as to compress garbage located in the second barrel body (3).

2. A medical waste bin according to claim 1, wherein: the quantity of the extrusion assemblies (2) is 4 groups, each group of the extrusion assemblies (2) is arranged on one side of the inner side wall of the first barrel body (1), when the second state is reached, two extrusion plates (21) positioned on one group of opposite sides of the first barrel body (1) and two extrusion plates (21) positioned on the other group of opposite sides are positioned on different horizontal planes and are mutually overlapped to compress garbage in the second barrel body (3) under the driving of the telescopic rod (20).

3. The medical trash can of claim 1, wherein: the improved garbage can is characterized in that an opening and closing door is arranged on one side of the first can body (1), a cover inlet is formed in the upper portion of the opening and closing door, the second can body (3) passes through the opening and closing door to enter and exit the containing cavity (10), the second can body (3) further comprises a can cover (30), and the can cover (30) passes through the cover inlet to enter and exit the containing cavity (10).

4. A medical waste bin according to claim 3, wherein: the inner side of the bottom of the first barrel body (1) is provided with two guide rails (11), and the bottom of the second barrel body (3) is provided with a plurality of guide wheels (31) matched with the guide rails (11).

5. The medical waste bin according to claim 4, wherein: and a positioning groove (32) is formed in the top surface of the barrel cover (30), and the size of the positioning groove (32) is matched with the distribution shape of the plurality of guide wheels (31).

6. A medical waste bin according to claim 1, wherein: each extrusion plate (21) is provided with an activated carbon layer.

7. A medical waste bin according to claim 1, wherein: a handle (33) is arranged on one side of the second barrel body (3).