CN114560198B - Anti-aerosol medical garbage can - Google Patents

Abstract

The invention discloses an aerosol-proof medical trash can which comprises a trash can main body and a cover, wherein the cover covers an upper end opening of the trash can main body, the cover is of a chain plate type structure which can move forwards and downwards in the trash can main body to be retracted into the trash can main body to enable the upper end opening of the trash can main body to be opened from back to front and move upwards and backwards in the trash can main body to enable the upper end opening of the trash can main body to be closed from front to back, the front end and the rear end of the cover are connected with electric traction devices positioned in the trash can main body, a packing device for packing a trash bag in the trash can main body when the cover is closed and an ultraviolet disinfection lamp for disinfecting a packed trash bag packing opening when the cover is kept closed are arranged in the trash can main body. The anti-aerosol medical trash can effectively prevent an aerosol fan from opening a cover to prevent workers and clothes from being polluted, the ultraviolet lamp can sterilize the packaging opening of the trash bag after the trash bag is packaged, and the cleaners are prevented from being polluted by the aerosol.

Description

Anti-aerosol medical trash can

Technical Field

The invention relates to the field of medical supplies, in particular to an anti-aerosol medical trash can.

Background

In order to effectively prevent and control the new coronavirus pneumonia, the treatment of related medical wastes is a very important task. When medical waste is thrown into the garbage can and is cleaned out of the garbage can, aerosol is generated at a high risk moment. However, most of the existing medical trash cans are opened in a cover-lifting mode, a cover-opening person stands on the opening side of a trash can cover, when the trash can cover falls back (covers down), air flow in the trash can be fanned to the cover-opening person, and clothes of workers are easily polluted. Therefore, there is a need to develop an anti-aerosol medical trash can to overcome the aforementioned drawbacks.

Disclosure of Invention

In order to solve the above problems, the present invention provides an aerosol-proof medical trash can, which can effectively prevent the aerosol fan from opening the cover of the medical trash can, and avoid the contamination of workers and clothes.

In order to achieve the purpose, the invention provides an anti-aerosol medical trash can which comprises a trash can body and a cover, wherein the cover covers an upper end opening of the trash can body, the cover is of a chain plate type structure which can move forwards and downwards in the trash can body to be retracted into the trash can body to enable the upper end opening of the trash can body to be opened forwards from back and move upwards and backwards in the trash can body to enable the upper end opening of the trash can body to be closed from front to back, the front end and the rear end of the cover are connected with electric traction devices located in the trash can body, a packing device for packing a trash bag in the trash can body when the cover is closed and an ultraviolet disinfection lamp for disinfecting a packed trash bag packing opening when the cover is kept closed are arranged in the trash can body.

As a further improvement of the invention, the garbage can main body comprises an outer barrel and a fixed barrel which is fixed in the outer barrel and has the same bottom with the outer barrel, a movable inner barrel which can be taken out is arranged in the fixed barrel, the outer barrel, the fixed barrel and the movable inner barrel are square barrels, an annular gap is formed between the fixed barrel and the outer barrel, the electric traction device is positioned at the annular gap, and the cover retracts into the annular gap at the front side of the fixed barrel when being opened from back to front.

As a further improvement of the invention, the electric traction devices are four, two electric traction devices are arranged at the lower part in the annular gap at the front side of the fixed barrel and are connected with the front end of the cover through two traction belts, and the other two electric traction devices are arranged at the upper part in the annular gap at the rear side of the fixed barrel and are connected with the rear end of the cover through the other two traction belts.

As a further improvement of the invention, in the annular gap, there are rails fixed on the left and right inner walls of the outer tub for supporting the cover and for the cover to move forward and backward, each rail includes a horizontal rail and a curved rail, the rear end of the horizontal rail is connected with the rear inner wall of the outer tub, the front end of the horizontal rail is connected with the curved rail, and the curved rail is curved downward and extends into the annular gap on the front side of the fixed tub.

As a further improvement of the invention, the cover comprises a plurality of chain plates which are closely arranged along the left and right direction of the outer barrel to cover the upper end opening of the outer barrel, every two adjacent chain plates are overlapped, each chain plate comprises a step-shaped high part and a step-shaped low part, the high part and the low part are connected through an inclined connecting part, the high part of each chain plate is overlapped above the low part of the adjacent chain plate, the left side and the right side of the bottom surface of the low part of each chain plate are respectively fixed with two reverse L-shaped plates, the two L-shaped plates on each side of the low part are respectively provided with a pulley, the pulleys on the left side and the right side of the low part are slidably arranged on tracks on the left inner wall and the right inner wall of the outer barrel, two groups of chains are connected between the two L-shaped plates on each side of the low part of the adjacent chain plate, the two chains on the front side and the rear side of the cover are connected with corresponding pulling belts.

As a further improvement of the invention, the front edge, the rear edge, the left edge and the right edge of the upper end of the outer barrel vertically extend towards the center of the opening of the upper end to form a baffle plate, a rubber pad which is contacted with the baffle plate at the rear side of the outer barrel is fixed on the top surface of the high part of the chain plate at the rear side of the cover, the front end and the rear end of the rubber pad are inclined planes, and the upward extension lines of the front inclined plane and the rear inclined plane of the rubber pad are intersected; the inner walls of the left side and the right side of the outer barrel are provided with the ultraviolet disinfection lamps which are positioned below the track and above the fixed barrel.

As a further improvement of the invention, a screw-nut structure is arranged in the annular gap and fixed on the front, rear, left and right outer wall surfaces of the fixed barrel along the height direction of the fixed barrel, a pneumatic clamping device for clamping the edge of the opening of the garbage bag is arranged on a nut of each screw-nut structure, the upper end of a screw rod of the screw-nut structure is close to the upper edge of the fixed barrel, and the lower end of the screw rod is connected with a first motor; the pneumatic clamping device comprises an air cylinder, a push rod, a fixed clamping arm and a movable clamping arm, wherein the fixed clamping arm is fixedly connected with the air cylinder, and the push rod is fixedly connected with the movable clamping arm.

As a further improvement of the invention, the opposite surfaces of the fixed clamping arm and the movable clamping arm are projected with teeth which can be mutually meshed.

As a further improvement of the invention, the left and right side walls of the upper part of the fixed barrel are provided with sliding chutes which are mutually corresponding and are arranged along the front and back directions, a belt pulley structure and a motor II which are arranged on the left and right outer wall surfaces of the fixed barrel along the front and back directions of the fixed barrel are arranged in the annular gap, two ends of a sliding deflector rod penetrate through the sliding chutes which extend out of the left and right side walls of the fixed barrel and then are fixed on a belt of the belt pulley structure, a belt pulley at one end of the belt pulley structure is connected with the motor II, and screw rods of screw rod nut structures which are positioned on the left and right outer wall surfaces of the fixed barrel are positioned outside the belt of the belt pulley structure.

As a further improvement of the invention, a bottom plate is arranged below the barrel bottom of the outer barrel, the rear side, the left side and the right side of the bottom plate are connected with the barrel bottom, the front side of the bottom plate is not connected with the barrel bottom and forms an opening, a channel communicated with the opening is arranged between the bottom plate and the barrel bottom, a horizontal rod is arranged in the channel, the front end of the horizontal rod extends out of the opening and is provided with a pedal, the rear end of the horizontal rod is fixed with a vertical rod which extends into the fixed barrel through the barrel bottom, the upper part of the inner wall of the rear side of the fixed barrel is provided with a hot-pressing sealing machine, a movable hot-pressing plate of the hot-pressing sealing machine is positioned above the fixed hot-pressing plate, the rear end of a chute is positioned between the fixed hot-pressing plate and the movable hot-pressing plate, the upper end of the vertical rod extends through the fixed hot-pressing plate and is fixedly connected with the movable hot-pressing plate, the bottom plate extends forwards to form an extension plate, springs are fixed on the upper sides of the extension plate and the bottom plate, the upper ends of the springs are fixed below the horizontal rod, and the packing device comprises the belt wheel structure, a second motor, a sliding deflector rod, a deflector rod and a horizontal rod and a pedal.

Compared with the prior art, the anti-aerosol medical trash can has the following beneficial effects:

(1) The cover moves from the rear side to the front side of the garbage can to open the garbage can, so that the aerosol fan can be effectively prevented from opening a cover of a user standing on the front side of the garbage can, and the pollution of workers and clothes is avoided; the ultraviolet lamp can disinfect the opening of the garbage bag package after the garbage bag is packaged, and therefore, cleaning workers are prevented from being polluted by aerosol.

(2) The movable inner barrel which can be taken out is adopted, so that the garbage bag is convenient to clean, disinfect and cover.

(3) The cover adopts a square structure and is more matched with the cover with a chain plate type structure.

(4) The garbage can is sealed in the garbage can by combining the hot-pressing sealing machine and the deflector rod, so that the garbage bag is sealed, the contact with the front side of garbage is reduced, and the contact of pollution sources is reduced.

(7) The design of baffle can shelter from the dust.

(8) The spring is convenient for the reset of the pedal, the horizontal rod and the vertical rod.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings, which illustrate embodiments of the invention.

Drawings

Fig. 1 is a first cross-sectional view of an anti-aerosol medical trash can.

Fig. 2 is a schematic view of fig. 1 after a garbage bag is inserted.

Fig. 3 is an enlarged view of the position a in fig. 2.

Fig. 4 is an enlarged view of the position B in fig. 2.

Fig. 5 is an enlarged view of the position C in fig. 2.

Fig. 6 is an enlarged view of the position D in fig. 2.

Fig. 7 is an enlarged view of the position E in fig. 2.

Fig. 8 is a schematic view showing how the plastic bag of fig. 2 is stretched.

FIG. 9 is a schematic top view of the anti-aerosol medical trash can with the lid removed.

Fig. 10 is an enlarged view of position F in fig. 9.

Fig. 11 is an enlarged view of the position G in fig. 9.

Fig. 12 is an enlarged view of the position H in fig. 9.

Fig. 13 is an enlarged view of the position I in fig. 9.

Fig. 14 is a side schematic view of a stationary tub.

Fig. 15 is a schematic top view of an anti-aerosol medical trash can with a lid.

Fig. 16 is a schematic view of the inside of an outer barrel of the anti-aerosol medical trash can.

Figure 17 is a schematic view of the cap and track mating.

Fig. 18 is a schematic view one of the cover.

Fig. 19 is a second schematic view of the lid.

Fig. 20 is a schematic view of an L-shaped plate with a cover removed.

The reference numbers illustrate: the garbage can comprises a garbage can body 1, an outer can 11, a baffle 111, an annular gap 1a, a fixed can 12, a sliding chute 121, a sliding deflector rod 122, a movable inner can 13, a rail 14, a horizontal rail 141, a curved rail 142, a vertical rail 143, a bottom plate 15, an extension plate 151, a spring 15a, an opening 16, a channel 17, a horizontal rod 18, a pedal 181, a vertical rod 19, a cover 2, a chain plate 21, a high part 211, a low part 212, an L-shaped plate 22, a pulley 23, a chain 24, a rubber pad 25, an inclined surface 251, an electric traction device 3, a traction belt 31, a motor III 32, a winding wheel 33, an ultraviolet disinfection lamp 4, a screw-nut structure 5, a nut 51, a screw rod 52, a pneumatic clamping device 6, an air cylinder 61, a push rod 62, a fixed clamping arm 63, a movable clamping arm 64, a tooth 6a, a motor I7, a hot-press sealing machine 8, a movable hot-pressing plate 81, a fixed plate 82, a belt wheel structure 9, a motor II 9a belt 91, a belt wheel 92, a plastic bag a control panel 11a and a sensor 11b.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements.

Referring to fig. 1-20, the anti-aerosol medical trash can includes a trash can body 1 and a cover 2, wherein the cover 2 covers an upper opening of the trash can body 1. The garbage can body 1 is internally provided with a packing device for packing garbage bags in the garbage can body 1 when the cover 2 is closed and an ultraviolet disinfection lamp 4 for disinfecting the packed garbage bag packing openings when the cover 2 is kept closed.

The garbage can body 1 comprises an outer barrel 11 and a fixed barrel 12 fixed in the outer barrel 11 and sharing the same bottom with the outer barrel 11, a movable inner barrel 13 capable of being taken out is arranged in the fixed barrel 12, and the movable inner barrel 13 can be taken out, so that cleaning and disinfection are facilitated. The outer barrel 11, the fixed barrel 12 and the movable inner barrel 13 are square barrels, and an annular gap 1a is formed between the fixed barrel 12 and the outer barrel 11, so that a space for the cover 2 to stretch is provided conveniently.

The front, rear, left and right edges of the upper end of the outer tub 11 extend vertically toward the center of the upper end opening to form a baffle 111, which has a dust-proof function. In the annular gap 1a, there are rails 14 fixed on left and right inner walls of the outer tub 11 to support the cover 2 and to move the cover 2 forward and backward. Each rail 14 comprises a horizontal rail 141, a curved rail 142 and a vertical rail 143, the rear end of the horizontal rail 141 is connected with the rear inner wall of the outer tub 11, the front end of the horizontal rail 141 is connected with the curved rail 142, the curved rail 142 bends downward Qu Yan to extend into the annular gap 1a at the front side of the fixed tub 12, the curved rail 12 facilitates the cover 2 to bend downward to enter the annular gap 1a at the front side of the fixed tub 12, the vertical rail 143 is located in the annular gap 1a at the front side of the fixed tub 12, the lower end of the vertical rail 143 is connected with the bottom of the tub, and the upper end of the vertical rail 143 is connected with the curved rail 12.

A bottom plate 15 is arranged below the bottom of the outer barrel 11, the rear side and the left and right sides of the bottom plate 15 are connected with the bottom of the barrel, the bottom plate 15 extends forwards to form an extension plate 151, springs 15a are fixed on the extension plate 151 and the upper side of the bottom plate 15, the front side of the bottom plate 15 is disconnected with the bottom of the barrel to form an opening 16, and a channel 17 communicated with the opening 16 is arranged between the bottom plate 15 and the bottom of the barrel. A horizontal rod 18 is arranged in the channel 17, the upper end of the spring 15a is fixed below the horizontal rod 18, the front end of the horizontal rod 18 extends out of the opening and is provided with a pedal 181, a vertical rod 19 is fixed at the rear end of the horizontal rod 18, and the vertical rod 19 penetrates through the barrel bottom and extends into the fixed barrel 12.

The left side wall and the right side wall of the upper part of the fixed barrel 12 are provided with sliding grooves 121 which are mutually corresponding and are arranged along the front-back direction, and two ends of a sliding deflector rod 122 penetrate through the sliding grooves 121 which extend out of the left side wall and the right side wall of the fixed barrel 12, so that the front edge of the garbage bag can be conveniently deflected backwards, and the garbage bag can be conveniently sealed. The outer wall of the fixed tub 12 is provided with a sensor 11b next to the rear edge of the slide groove 121 for sensing the position of the slide lever 122.

The cover 2 is a chain plate type structure which can move forwards and downwards in the garbage can body 1 to retract into the garbage can body 1 so that the upper end opening of the garbage can body 1 is opened forwards from back and moves upwards and backwards in the garbage can body 1 so that the upper end opening of the garbage can body 1 is closed backwards from front, and the cover 2 retracts into the annular gap 1a on the front side of the fixed barrel 12 when being opened forwards from back.

The cover 2 comprises a plurality of chain plates 21 which are closely arranged along the left and right direction of the outer barrel 11 to cover the upper end opening of the outer barrel, and every two adjacent chain plates 21 are partially overlapped to ensure the sealing performance of the cover 2. Each link plate 21 comprises a high part 211 and a low part 212 which are in a step shape, the high part 211 and the low part 212 are connected through an inclined connecting part 213, the high part of each link plate 21 is overlapped above the low part of the adjacent link plate 21, two opposite L-shaped plates 22 are respectively fixed on the left side and the right side of the bottom surface of the low part 212 of each link plate 21, pulleys 23 are respectively installed on the two L-shaped plates 22 on each side of the low part 212, the pulleys 23 on the left side and the right side of the low part 212 are slidably installed on the tracks 14 on the left inner wall and the right inner wall of the outer barrel 11, two groups of chains 24 are connected between the two L-shaped plates 22 on each side of the low part 212, and the two groups of chains 24 are connected with the two L-shaped plates 22 on the same side on the low part 212 of the adjacent link plate 21. A rubber pad 25 contacting with the baffle 111 at the rear side of the outer tub 11 is fixed on the top surface of the high part of the chain plate 21 at the rear side of the cover 2, so that the cover 2 is sealed after being closed. The front end and the rear end of the rubber pad 25 are both inclined surfaces 251, and the upward extension lines of the inclined surfaces 251 in the front and the rear of the rubber pad 25 are intersected, so that the rubber pad 25 can conveniently leave the lower part of the baffle 111 and enter the lower part of the baffle 111.

The front end and the rear end of the cover 2 are connected with electric traction devices 3 positioned in the garbage can main body 1, the electric traction devices 3 are positioned in the annular gap 1a, the number of the electric traction devices 3 is four, the two electric traction devices 3 are arranged at the lower part in the annular gap 1a on the front side of the fixed barrel 12 and are connected with the front end of the cover 2 through two traction belts 31, and the traction belts 31 are specifically connected with a chain 24 arranged on a chain plate 21 on the front side of the cover 2, so that the cover 2 can be pulled to move forwards and downwards; the other two electric drawing devices 3 are installed in the upper part of the annular gap 1a at the rear side of the fixed barrel 12 and connected with the rear end of the cover 2 through the other two drawing belts 31, and the drawing belts 31 are specifically connected with the chains 24 installed on the chain plates 21 at the rear side of the cover 2, so that the cover 2 can be drawn to move backwards. The electric traction device 3 comprises a third motor 32 fixed on the inner wall of the outer barrel 11, and the third motor 32 is a forward and reverse rotating motor. The output shaft of the motor III 32 is connected with a winding wheel 33, and the tail end of the pulling belt 31 is fixed on the corresponding winding wheel 33.

The inner wall of the left side and the right side of the outer barrel 11 are provided with the ultraviolet disinfection lamp 4, the ultraviolet disinfection lamp 4 is positioned above the fixed barrel 12, and the ultraviolet disinfection lamp 3 is also positioned below the track 14, so that the garbage can body 1 can be disinfected conveniently.

In the annular gap 1a, screw nut structures 5 fixed on the front, rear, left and right outer wall surfaces of the fixed barrel 12 along the height direction of the fixed barrel 12 are arranged, a pneumatic clamping device 6 for clamping the edge of the bag opening of the plastic bag a is arranged on a nut 51 of each screw nut structure 5, the upper end of a screw 52 of each screw nut structure 5 is close to the upper edge of the fixed barrel 12, the lower end of the screw 52 is connected with a first motor 7, and the first motor 7 is a forward and reverse motor. The pneumatic clamping device 6 comprises an air cylinder 61, a push rod 62, a fixed clamping arm 63 and a movable clamping arm 64, wherein the fixed clamping arm 63 is fixedly connected with the air cylinder 61, and the push rod 62 is fixedly connected with the movable clamping arm 64. The opposite surfaces of the fixed clip arm 63 and the movable clip arm 64 are projected with teeth 6a which can be engaged with each other. The edge of the plastic bag is clamped by the fixed clamping arm 63 and the movable clamping arm 64, and then the screw 52 of the screw-nut structure 5 is rotated by the driving of the motor I7, so that the nut 51 and the pneumatic clamping device 6 move up and down, the edge of the plastic bag can move up and down along with the pneumatic clamping device 6, when the edge of the plastic bag a moves downwards, the plastic bag a can be straightened and tightened, and the edge of the plastic bag a can be fixed by the fixed clamping arm 63 and the movable clamping arm 64, so that the edge of the plastic bag is not easy to fall into the movable inner barrel 13, and the garbage can be thrown into the garbage bag normally; when the edge of the plastic bag a moves upwards, the plastic bag a can be ensured to be in a non-tight state, so that the front side of the plastic bag is easy to be shifted to the rear side by the sliding shift lever 122.

Hot pressing capper 8 is installed on the rear side inner wall upper portion of fixed bucket 12, and hot pressing capper 8's activity hot pressboard 81 is located the top of fixed hot pressboard 82, and the upper end of montant 19 run through fixed hot pressboard 82 and with activity hot pressboard 81 fixed connection, montant 19 linkage activity hot pressboard 81 downstream makes the upper portion of plastic bag a by hot pressing seal. The rear end of the sliding groove 121 is located between the fixed hot-pressing plate 82 and the movable hot-pressing plate 81.

In the annular gap 1a, a belt pulley structure 9 and a second motor 9a are arranged on the left and right outer wall surfaces of the fixed barrel 12 along the front-back direction of the fixed barrel 12, and the second motor 9a is a forward and reverse rotating motor. Two ends of the sliding shift lever 122 penetrate through the sliding grooves 121 extending out of the left side wall and the right side wall of the fixed barrel 12 and are fixed on the belt 91 of the belt pulley structure 9, the belt pulley 92 at one end of the belt pulley structure 9 is connected with the second motor 9a, and the screw rods of the screw nut structures 5 located on the left outer wall and the right outer wall of the fixed barrel 12 are located on the outer side of the belt 91 of the belt pulley structure 9.

A control panel 11a may be installed on the front outer surface of the outer tub 11, and the motor three 32, the motor one 7, the cylinder 61, and the motor two 9a are commanded on the control panel 11a to sequentially operate them, so that the lid 2 is opened, the everted bag mouth of the plastic bag a is clamped and pulled downward, and the sliding shift lever 122 moves from front to back to between the movable hot press plate 81 and the fixed hot press plate 82. It also causes the everted mouth of plastic bag a to be pulled upward and slide lever 122 to be moved back from back to front. The packing device comprises the belt pulley structure 9, a second motor 9a, a sliding shift lever 122, a hot-pressing sealing machine 8, a vertical rod 19, a horizontal rod 18 and a pedal 181. A voice prompt device or an alarm device is arranged on the control panel 11a, and when the sliding shift lever 122 moves to the rear side of the sliding groove 121, the sliding shift lever is sensed by the sensor 11b and transmits information to the voice prompt device or the alarm device to give a prompt.

When the pneumatic plastic bag clamping device is used, the control panel 11a is operated, the three motors 32 of the two electric traction devices 3 at the lower part in the annular gap 1a at the front side of the fixed barrel 12 work, the winding wheel 33 at the position rotates to wind the traction belt 31, meanwhile, the three motors 32 of the two electric traction devices 3 at the upper part in the annular gap 1a at the rear side of the fixed barrel 12 work, the winding wheel 33 at the position rotates to release the traction belt 31, so that the cover 2 can move forwards and downwards to open the upper end opening of the garbage barrel main body 1, an operator sleeves a garbage bag a in the movable inner barrel 13, the bag opening of the garbage bag a is reversely folded to the annular gap 1a, the control panel 11a is operated to enable the air cylinders 61 of the pneumatic clamping devices 6 to work, the movable clamping arms 64 of the four pneumatic clamping devices 6 are far away from the fixed clamping arms 63, the front, the rear, the left and the right sides of the plastic bag a are placed between the fixed clamping arms 63 and the movable clamping arms 64 of the four pneumatic clamping devices 6, the control panel 11a is operated to enable the air cylinders 61 of the pneumatic clamping devices 6 to work again, so that the screw rod 7 a moves downwards to clamp the plastic bag, and the screw rod 5a moves to clamp the plastic bag again, and the screw rod 5 moves downwards to clamp the plastic bag. The control panel 11a is operated again, so that the motors three 32 of the two electric traction devices 3 at the upper part in the annular gap 1a at the rear side of the fixed barrel 12 work, the winding wheel 33 at the position rotates the winding traction belt 31, and meanwhile, the motors three 32 of the two electric traction devices 3 at the lower part in the annular gap 1a at the front side of the fixed barrel 12 work, the winding wheel 33 at the position rotates to release the traction belt 31, and therefore, the cover 2 moves backwards and upwards to open the upper end opening of the garbage barrel main body 1. Each time a user throws garbage into the plastic bag a, the user needs to open the operation control panel 11a to open the lid 2 and then operate the operation control panel 11a to close the lid 2. In the opening and closing process of the cover 2, the generated backward airflow can not be sprayed to the people who open the cover on the front side of the garbage can, and the clothes of workers are prevented from being polluted.

When the garbage in the plastic bag a is full and needs to be packed and discarded, the control panel 11a is operated to enable the first motor 7 to work, so that the screw 52 of the screw-nut structure 5 rotates, the nut 51 drives the pneumatic clamping device 6 to move upwards, the pneumatic clamping device 6 drives the flanging of the plastic bag a to move upwards, so that the plastic bag a is in an untight state, the control panel 11a is operated to enable the second motor 9a to work, so that the sliding shift lever 9 moves from the front side to the rear side of the sliding chute 121 to a position between the fixed hot pressing plate 81 and the movable hot pressing plate 82, the sliding shift lever 9 moves while driving the front side to the rear side of the plastic bag a to move and enabling the front side and the rear side of the plastic bag a to move to a position between the fixed hot pressing plate 81 and the movable hot pressing plate 82, after the sliding shift lever 9 moves to the position of the last side, the sensor on the last side of the sliding chute 121 senses that the plastic bag a is reported to an alarm device or a voice prompt an operator, the operator can step on the pedal 181, so that the horizontal rod 18 and the vertical rod 19 move together and the spring 15a are driven to contact the fixed hot pressing plate 81 a, and the plastic bag is in a, so that the plastic bag is in a, and the plastic bag is directly polluted. The pedal 181 is released, and the spring 15a is reset, so that the horizontal rod 18, the vertical rod 19 and the movable hot-pressing plate 82 are reset. After the plastic bag a is packaged, the control panel 11a is operated to enable the ultraviolet disinfection lamp 4 to be turned on to disinfect the packaging opening of the plastic bag a, and therefore cleaner workers can be effectively prevented from being polluted by aerosol. After the sterilization is completed, the control panel 11a is operated to open the lid 2 and take out the plastic bag a containing the garbage.

When a user throws garbage into the plastic bag a, the motors 32 can directly and automatically work in a sensing mode of adding a sensing device at the front side of the outer barrel 11, so that the cover 2 is opened and closed. And the sensing device is added to the upper fixed clamping arm 63 of the pneumatic clamping device 6 to directly enable the movable clamping arm 64 of the pneumatic clamping device 6 to be automatically opened when sensing the mouth edge of the plastic bag a, and the mouth edge of the plastic bag a is automatically closed when being placed between the movable clamping arm 64 and the fixed clamping arm 63. Can also be through the below or the top installation induction system of ultraviolet ray disinfection lamp 4 at the inner wall of outer bucket 11, be used for responding to the full or not full condition of rubbish in the plastic bag a, when rubbish is full to a certain position, make two 9a autonomous workings of motor, make slip driving lever 9 remove to between fixed hot pressboard 81 and the activity hot pressboard 82, after induction system through spout 121 rearmost side senses the position after slip driving lever 9 removes, rethread voice prompt device or alarm device suggestion operator can trample the running-board 181 and seal the operation to plastic bag a. And the ultraviolet disinfection lamp 4 can be automatically turned on at the front side of the outer barrel 11 by adding a sensing device after the plastic bag a is packaged so as to disinfect the packaging opening of the plastic bag a and the movable inner barrel 13.

The first motor 7, the second motor 9a, the third motor 32, the cylinder 61 and the hot-pressing sealing machine 8 are controlled to be powered on or powered off through the same power switch.

The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made in accordance with the spirit of the present invention.

Claims (6)

1. The utility model provides an prevent aerosol medical trash can, includes garbage bin main part and lid, and the lid covers the upper end opening part in the garbage bin main part, its characterized in that: the cover is a chain plate type structure which can move forwards and downwards in the garbage can main body to retract into the garbage can main body to enable the upper end opening of the garbage can main body to be opened forwards from back and move upwards and backwards from the garbage can main body to enable the upper end opening of the garbage can main body to be closed from front to back, the front end and the rear end of the cover are connected with electric traction devices positioned in the garbage can main body, a packing device for packing garbage bags in the garbage can main body when the cover is closed and an ultraviolet disinfection lamp for disinfecting the packed garbage bag packing openings when the cover is kept closed are arranged in the garbage can main body, the garbage can main body comprises an outer barrel and a fixed barrel which is fixed in the outer barrel and is at the same bottom as the outer barrel, a movable inner barrel which can be taken out is arranged in the fixed barrel, the outer barrel, the fixed barrel and the movable inner barrel are square barrels, an annular gap is formed between the fixed barrel and the outer barrel, and the electric traction devices are positioned in the annular gap, the cover retracts into the annular gap on the front side of the fixed barrel when being opened forwards from the back, the electric traction devices are four, two electric traction devices are arranged on the lower part in the annular gap on the front side of the fixed barrel and are connected with the front end of the cover through two traction belts, the other two electric traction devices are arranged on the upper part in the annular gap on the back side of the fixed barrel and are connected with the back end of the cover through the other two traction belts, in the annular gap, tracks which are fixed on the left inner wall and the right inner wall of the outer barrel and are used for supporting the cover and enabling the cover to move forwards and backwards are arranged on the left inner wall and the right inner wall of the outer barrel, each track comprises a horizontal track and a bent track, the back end of the horizontal track is connected with the back inner wall of the outer barrel, the front end of the horizontal track is connected with the bent track, the bent track is bent downwards and extends into the annular gap on the front side of the fixed barrel, the cover comprises a plurality of chain plates which are closely arranged along the left and right direction of the outer barrel to cover the upper end opening of the outer barrel, every two adjacent chain plate parts are folded, each chain plate comprises a high part and a low part which are step-shaped, the high part and the low part are connected through an inclined connecting part, the high part of each chain plate is folded above the low part of the adjacent chain plate, the left side and the right side of the bottom surface of the low part of each chain plate are respectively fixed with two reverse L-shaped plates, the two L-shaped plates on each side of the low part are respectively provided with a pulley, the pulleys on the left side and the right side of the low part are slidably arranged on a track of the left inner wall and the right inner wall of an outer barrel, two groups of chains are connected between the two L-shaped plates on each side of the low part, the two groups of chains are connected with the two L-shaped plates on the same side of the low part of the adjacent chain plate, and the chains arranged on the two chain plates on the front side and the back side of the cover are connected with corresponding pull belts.

2. The anti-aerosol medical trash can of claim 1, wherein: the front edge, the rear edge, the left edge and the right edge of the upper end of the outer barrel vertically extend towards the center of the opening of the upper end to form a baffle plate, a rubber pad which is in contact with the baffle plate at the rear side of the outer barrel is fixed on the top surface of the high part of the chain plate at the rear side of the cover, the front end and the rear end of the rubber pad are inclined planes, and the upward extension lines of the front inclined plane and the rear inclined plane of the rubber pad are intersected; the ultraviolet disinfection lamps are arranged on the inner walls of the left side and the right side of the outer barrel and are positioned below the rails and above the fixed barrel.

3. The anti-aerosol medical trash can of claim 1, wherein: the annular gap is internally provided with a screw rod nut structure which is fixed on the front, the rear, the left and the right outer wall surfaces of the fixed barrel along the height direction of the fixed barrel, a pneumatic clamping device for clamping the edge of the opening of the garbage bag is arranged on a nut of each screw rod nut structure, the upper end of a screw rod of the screw rod nut structure is close to the upper edge of the fixed barrel, and the lower end of the screw rod is connected with a first motor; the pneumatic clamping device comprises an air cylinder, a push rod, a fixed clamping arm and a movable clamping arm, wherein the fixed clamping arm is fixedly connected with the air cylinder, and the push rod is fixedly connected with the movable clamping arm.

4. The anti-aerosol medical trash can of claim 3, wherein: the opposite surfaces of the fixed clamping arm and the movable clamping arm are protruded with teeth which can be engaged with each other.

5. The anti-aerosol medical trash can of claim 1, wherein: open the spout that has mutual correspondence and arrange along the fore-and-aft direction on the lateral wall about the upper portion of fixed bucket in the annular gap, have and install belt pulley structure and motor two on two outer walls about the fixed bucket along the fore-and-aft direction of fixed bucket, the both ends of a slip driving lever run through the spout that stretches out lateral wall department about the fixed bucket after fixing on belt pulley structure's belt, the band pulley of belt pulley structure one end links to each other with motor two, the lead screw that is located the lead screw nut structure of outer wall about the fixed bucket is located the outside of belt pulley structure's belt.

6. The anti-aerosol medical trash can of claim 5, wherein: there is a bottom plate bottom the barrel head of outer bucket, the rear side and the left and right sides of bottom plate link to each other with the barrel head, disconnected and form an opening between the front side of bottom plate and the barrel head, the passageway that communicates with the opening has between bottom plate and the barrel head, the passageway embeds there is the horizon bar, the front end of horizon bar stretches out outside the opening and installs a running-board, the rear end of horizon bar is fixed with the montant, the montant runs through the barrel head and stretches into in the fixed bucket, hot pressing capper is installed on the rear side inner wall upper portion of fixed bucket, the activity hot pressing board of hot pressing capper is located the top of fixed hot pressing board, the rear end of spout is located between fixed hot pressing board and the activity hot pressing board, the upper end of montant runs through fixed hot pressing board and forms extension board with activity hot pressing board fixed connection, the bottom plate extends forward, the upside of extension board and bottom plate is fixed with the spring, the upper end of spring is fixed in the below of horizon bar, packing apparatus includes band pulley structure, motor two, slip driving lever, hot pressing capper, montant, horizontal rod and running-board.

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