CN114789862A

CN114789862A - Environment-friendly dustbin

Info

Publication number: CN114789862A
Application number: CN202210500302.XA
Authority: CN
Inventors: 闫帅; 钱海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-07-26
Anticipated expiration: 2042-05-10
Also published as: CN114789862B

Abstract

The invention discloses an environment-friendly dustbin which comprises a square bottom plate, wherein a front side plate is arranged on the front side edge of the bottom plate, and a right side plate connected with the front side plate is arranged on the right side edge of the bottom plate; a rear side plate is hinged to the rear side of the right side plate, a left side plate perpendicular to the rear side plate is arranged at the left end of the rear side plate, and a bag opening assembly is arranged on the rear side plate and used for placing a garbage bag; the upper end of the front side plate extends upwards to form a front convex plate, and the rear end of the right side plate is provided with a rear convex plate which extends leftwards and is parallel to the front convex plate; a cover plate assembly is arranged between the front convex plate and the rear convex plate, a disinfection assembly is arranged on the cover plate assembly, and the disinfection assembly is used for disinfecting garbage in the garbage bag; an electric push rod for driving the cover plate assembly to move is arranged on the front side plate; the environment-friendly dustbin is simple in structure, and can disinfect the garbage in the dustbin and kill bacteria.

Description

Environment-friendly dustbin

Technical Field

The invention relates to the technical field of garbage cans, in particular to an environment-friendly garbage can.

Background

The garbage can is a public facility, is used for containing garbage and wastes, and is placed in public outdoor places such as parks, districts, streets, schools and the like. The following problems often occur when the existing dustbin is used:

(1) the garbage can is stored for a long time, so that a large amount of bacteria can be bred on the garbage, the garbage can is polluted, the garbage can is difficult to clean, and the body of a worker can be damaged when the worker cleans the garbage;

(2) the harmful gas of current dustbin for preventing inside rubbish gives off and the entering of external rainwater, can install the upper cover additional on the dustbin, but the rubbish in the dustbin that can make after the upper cover in addition is difficult to be cleared up for the work load grow of artifical clearance rubbish, the clearance effect also can not be very ideal.

Disclosure of Invention

The invention aims to provide an environment-friendly dustbin which is simple in structure and can disinfect and kill bacteria on garbage in the dustbin.

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly dustbin comprises a square bottom plate, wherein a front side plate is arranged on the front side edge of the bottom plate, and a right side plate connected with the front side plate is arranged on the right side edge of the bottom plate; a rear side plate is hinged to the rear side of the right side plate, a left side plate perpendicular to the rear side plate is arranged at the left end of the rear side plate, and a bag opening assembly is arranged on the rear side plate and used for placing a garbage bag; when the rear side plate turns left to be parallel to the front side plate, the rear side plate drives the left side plate to be in a closed position, the front side plate, the right side plate, the rear side plate and the left side plate form a square cavity above the bottom plate, and a garbage bag positioned on the bag supporting assembly is positioned above the bottom plate; when the rear side plate turns right to be vertical to the front side plate, the rear side plate drives the left side plate to be in an open position, and the garbage bag positioned on the bag opening assembly is turned out to leave the bottom plate; the upper end of the front side plate extends upwards to form a front convex plate, and the rear end of the right side plate is provided with a rear convex plate which extends leftwards and is parallel to the front convex plate; a cover plate assembly is arranged between the front convex plate and the rear convex plate, a disinfection assembly is arranged on the cover plate assembly, and the disinfection assembly is used for disinfecting garbage in the garbage bag; the front side plate is provided with an electric push rod used for driving the cover plate assembly to move, when the electric push rod drives the cover plate assembly to move to a first position, the cover plate assembly is located right above the cavity and closes the upper end of the cavity, when the electric push rod drives the cover plate assembly to move to a second position, the cover plate assembly moves rightwards to open the upper end of the cavity, and when the electric push rod drives the cover plate assembly to move to a third position, the cover plate assembly turns rightwards to a vertical position and controls the rear side plate to turn rightwards to an open position.

Further, the cover plate assembly comprises a cover body, horizontal sliding grooves are formed in the front convex plate and the rear convex plate along the left-right direction, the cover body is located between the front convex plate and the rear convex plate, sliding blocks are rotatably connected to the front side and the rear side of the cover body, the sliding blocks are connected in the horizontal sliding grooves in a sliding mode, and arc-shaped grooves communicated with the horizontal sliding grooves are formed in the front convex plate and the rear convex plate; a convex column positioned in the horizontal sliding groove or the arc-shaped groove is arranged on the front side of the cover body, one end of the electric push rod is hinged on the front side surface of the front side plate, and the other end of the electric push rod is rotatably connected with the convex column; when the electric push rod drives the cover plate assembly to move to the first position, the convex column is positioned at the left end of the horizontal sliding groove and the cover body is positioned at the horizontal position; when the electric push rod drives the cover plate assembly to move to the third position, the convex column is located at the upper end of the arc-shaped groove, and the cover body is turned to the vertical position.

Further, a first motor is fixedly arranged on the cover body, an output shaft of the first motor vertically extends downwards out of the cover body and is fixedly provided with a rotating arm, the end part of the rotating arm is rotatably connected with a stirring rod, a gear is fixedly arranged at the upper end of the stirring rod, an outer gear ring which is coaxial with the output shaft of the first motor is fixedly arranged on the lower end surface of the cover body, and the outer gear ring is meshed with the gear; when the rotating arm rotates, the gear is meshed with the outer gear ring to drive the stirring rod to rotate.

Further, the disinfection component comprises an annular ultraviolet lamp, and the annular ultraviolet lamp is embedded on the lower end surface of the cover body; the lower extreme of puddler is equipped with ultraviolet lamp strip.

Furthermore, a sliding hole is formed in the front side plate along the left-right direction, a lock rod is connected in the sliding hole in a sliding mode along the left-right direction, an avoiding groove is formed in the right end of the sliding hole in the front side plate, a limiting block extending into the avoiding groove is arranged at the right end of the lock rod, a first spring used for forcing the limiting block to move rightwards is arranged in the avoiding groove, a lock hook is arranged at the left end of the lock rod, and a lock groove for the lock hook to extend into is formed in the front side of the left side plate; when the rear side plate drives the left side plate to be in the closed position, the lock hook extends into the lock groove; when the cover body is turned to the vertical position, the cover body pushes the limiting block and the lock rod to move leftwards, and the lock rod drives the lock hook to be separated from the lock groove; the articulated shaft of posterior lateral plate and right side board has cup jointed the torsional spring, the torsional spring is used for forcing the posterior lateral plate to overturn right.

Further, the bag supporting assembly comprises a left supporting block and a right supporting block, a left sliding groove and a right sliding groove are symmetrically formed in the rear side plate, the left supporting block is connected into the left sliding groove in a sliding mode along the left-right direction, the right supporting block is connected into the right sliding groove in a sliding mode, a left supporting rod is arranged on the left supporting block, a right supporting rod is arranged on the right supporting block, and the left supporting rod and the right supporting rod are parallel to each other; a lantern ring or a sleeve into which the left support rod and the right support rod extend is arranged at an opening at the upper end of the garbage bag; the right side of the left supporting block in the left sliding groove is provided with a left spring for forcing the left supporting block to move leftwards, and the left side of the right supporting block in the right sliding groove is provided with a right spring for forcing the right supporting block to move rightwards.

Furthermore, a vertical hole and a transverse hole for communicating the vertical hole with the left sliding chute and the right sliding chute are arranged in the rear side plate; a pull rope is fixedly arranged on the bottom plate, the free end of the pull rope extending into the vertical hole is divided into two strands, one strand is fixedly connected with the left support block leftwards through the transverse hole, and the other strand is fixedly connected with the right support block rightwards through the transverse hole; when the rear side plate drives the left side plate to turn from the closed position to the open position, the pull rope pulls the left support block and the right support block to synchronously move in opposite directions.

Advantageous effects

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the annular ultraviolet lamp is arranged on the cover body, and the ultraviolet strip lamp is arranged on the stirring rod, so that when the garbage is thrown into the garbage can, the stirring rod stirs the garbage and disinfects the garbage at the same time to kill bacteria, so that the garbage cannot generate putrefaction and harmful gas, and the health of workers is further protected;

2. the rear side plate is driven to rotate by the torsion spring, and the left stay bar and the right stay bar are pulled by the pull rope, so that when the garbage can needs to be cleaned, the garbage bag sleeved on the left stay bar and the right stay bar can be taken out of the garbage can only by controlling the torsion spring to rotate the rear side plate, and the garbage can is very easy to clean;

3. by using the garbage bags which can be sleeved on the left support rod and the right support rod, when the wall of the garbage box is rotated out, the garbage bags can be pulled down from the left support rod and the right support rod, so that the garbage bags are very easy to clean, and the garbage bags can be very easy to replace with new ones, thereby reducing the workload of workers;

4. through the arrangement of the pull rope, when the torsion spring controls the rotation of the rear side plate, the left support rod and the right support rod are pulled to move oppositely, so that when the garbage bag is taken out, the opening can be closed to a certain extent, and garbage is prevented from falling out;

5. through setting up first spring and locking lever for the lid is when opening, and the motion of first spring is overcome to the control locking lever, makes the latch hook with break away from the locked groove, and then makes the torsional spring can control the automatic right rotation of posterior lateral plate, opens the dustbin, convenient clearance.

Drawings

FIG. 1 is an elevational view of the cover plate assembly of the present invention as it moves to a first position;

FIG. 2 is an elevational view of the cover assembly moved to a second position during inward dumping of refuse in accordance with the present invention;

FIG. 3 is an elevational view of the cover plate assembly moved to a third position for cleaning debris in accordance with the present invention;

FIG. 4 is a cross-sectional view of the cover assembly of the present invention moved to a first position;

FIG. 5 is a cross-sectional view of the cover assembly moved to a second position while depositing refuse inwardly in accordance with the present invention;

FIG. 6 is a cross-sectional view of the cover plate assembly moved to a third position for cleaning debris in accordance with the present invention;

FIG. 7 is a cross-sectional view taken along line A-A of FIG. 4 in accordance with the present invention;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 6 in accordance with the present invention;

FIG. 9 is an enlarged view taken at I of FIG. 4 according to the present invention.

Detailed Description

Referring to fig. 1-9, an environmental protection dustbin comprises a square bottom plate 1a, a front side plate 1b is arranged at the front side of the bottom plate 1a, and a right side plate 1c connected with the front side plate 1b is arranged at the right side; a rear side plate 1d is hinged to the rear side of the right side plate 1c, a left side plate 1e perpendicular to the rear side plate 1d is arranged at the left end of the rear side plate 1d, and a bag opening assembly is arranged on the rear side plate 1d and used for placing a garbage bag; when the rear side plate 1d turns left to be parallel to the front side plate 1b, the rear side plate 1d drives the left side plate 1e to be in a closed position, the front side plate 1b, the right side plate 1c, the rear side plate 1d and the left side plate 1e form a square cavity 101 above the bottom plate 1a, and a garbage bag positioned on the bag supporting assembly is positioned above the bottom plate 1 a; when the rear side plate 1d rotates rightwards to be vertical to the front side plate 1b, the rear side plate 1d drives the left side plate 1e to be in an opening position, and the garbage bag positioned on the bag opening assembly rotates out to leave the bottom plate 1 a; the upper end of the front side plate 1b extends upwards to form a front convex plate 1b1, and the rear end of the right side plate 1c is provided with a rear convex plate 1c1 which extends leftwards and is parallel to the front convex plate 1b 1; a cover plate assembly is arranged between the front convex plate 1b1 and the rear convex plate 1c1, a disinfection assembly is arranged on the cover plate assembly, and the disinfection assembly is used for disinfecting garbage in the garbage bag; be equipped with the electric putter 3 that is used for driving the motion of apron subassembly on preceding curb plate 1b, when electric putter 3 drive apron subassembly moved to the primary importance, the apron subassembly was located cavity 101 directly over and is closed the upper end of cavity 101, when electric putter 3 drive apron subassembly moved to the second place, the apron subassembly moved right and is opened the upper end of cavity 101, when electric putter 3 drive apron subassembly moved to the third place, the apron subassembly overturned right to vertical position and control posterior lateral plate 1d and overturn right to the open position.

The cover plate assembly comprises a cover body 2, horizontal sliding grooves 11 are formed in the front convex plate 1b1 and the rear convex plate 1c1 along the left-right direction, the cover body 2 is positioned between the front convex plate 1b1 and the rear convex plate 1c1, sliding blocks 23 are rotatably connected to the front side and the rear side of the cover body 2, the sliding blocks 23 are connected in the horizontal sliding grooves 11 in a sliding mode, and arc-shaped grooves 12 communicated with the horizontal sliding grooves 11 are formed in the front convex plate 1b1 and the rear convex plate 1c 1; a convex column 21 positioned in the horizontal sliding groove 11 or the arc-shaped groove 12 is arranged on the front side of the cover body 2, one end of the electric push rod 3 is hinged on the front side surface of the front side plate 1b, and the other end of the electric push rod is rotationally connected with the convex column 21; when the electric push rod 3 drives the cover plate assembly to move to the first position, the convex column 21 is positioned at the left end of the horizontal sliding groove 11 and the cover body 2 is positioned at the horizontal position, when the electric push rod 3 drives the cover plate assembly to move to the second position, the convex column 21 is positioned at the communication position of the horizontal sliding groove 11 and the arc-shaped groove 12, the sliding block 23 is positioned at the right end of the horizontal sliding groove 11 and the cover body 2 is positioned at the horizontal position; when the electric push rod 3 drives the cover plate assembly to move to the third position, the convex column 21 is positioned at the upper end of the arc-shaped groove 12 and the cover body 2 is turned to the vertical position.

A first motor 4 is fixedly arranged on the cover body 2, an output shaft of the first motor 4 vertically and downwardly extends out of the cover body 2 and is fixedly provided with a rotating arm 52, the end part of the rotating arm 52 is rotatably connected with a stirring rod 54, the upper end of the stirring rod 54 is fixedly provided with a gear 542, an outer gear ring 53 which is coaxial with the output shaft of the first motor 4 is fixedly arranged on the lower end surface of the cover body 2, and the outer gear ring 53 is meshed with the gear 542; when the rotating arm 52 rotates, the gear 542 engages with the external gear ring 53 to rotate the stirring rod 54. The disinfection component comprises an annular ultraviolet lamp 51, and the annular ultraviolet lamp 51 is embedded on the lower end face of the cover body 2; the lower end of the stirring rod 54 is provided with an ultraviolet lamp bar 541.

In this embodiment, a sliding hole 1b2 is formed in the front side plate 1b along the left-right direction, a lock rod 7 is connected in the sliding hole 1b2 along the left-right direction in a sliding manner, an avoiding groove 1b3 is formed in the right end of the sliding hole 1b2 in the front side plate 1b, a limiting block 71 used for extending into the avoiding groove 1b3 is formed at the right end of the lock rod 7, a first spring 8 used for forcing the limiting block 71 to move rightwards is arranged in the avoiding groove 1b3, a lock hook 72 is arranged at the left end of the lock rod 7, and a lock groove 1e1 for the lock hook 72 to extend into is formed in the front side of the left side plate 1 e; when the rear side plate 1d drives the left side plate 1e to be in the closed position, the locking hook 72 extends into the locking groove 1e 1; when the cover body 2 is turned to the vertical position, the cover body 2 pushes the limiting block 71 and the lock rod 7 to move leftwards, and the lock rod 7 drives the lock hook 72 to be separated from the lock groove 1e 1; and a torsional spring 9 is sleeved on the hinged shaft of the rear side plate 1d and the hinged shaft of the right side plate 1c, and the torsional spring 9 is used for forcing the rear side plate 1d to turn right.

The bag supporting component comprises a left supporting block 67 and a right supporting block 68, a left sliding groove 1d2 and a right sliding groove 1d3 are symmetrically arranged on the rear side plate 1d, the left supporting block 67 is connected in the left sliding groove 1d2 in a left-right sliding mode, the right supporting block 68 is connected in the right sliding groove 1d3 in a sliding mode, a left supporting rod 67a is arranged on the left supporting block 67, a right supporting rod 68a is arranged on the right supporting block 68, and the left supporting rod 67a and the right supporting rod 68a are parallel to each other; a lantern ring or a sleeve into which the left support rod 67a and the right support rod 68a extend is arranged at the opening at the upper end of the garbage bag; the left sliding groove 1d2 is provided with a left spring 63 for forcing the left supporting block 67 to move leftwards on the right side of the left supporting block 67, and the right sliding groove 1d3 is provided with a right spring 64 for forcing the right supporting block 68 to move rightwards on the left side of the right supporting block 68. A vertical hole 62 and a transverse hole 61 for communicating the vertical hole 62 with the left sliding chute 1d2 and the right sliding chute 1d3 are arranged in the rear side plate 1 d; a pull rope 66 is fixedly arranged on the bottom plate 1a, the free end of the pull rope 66 extending into the vertical hole 62 is divided into two strands, one strand is fixedly connected with a left supporting block 67 through a transverse hole 61 to the left, and the other strand is fixedly connected with a right supporting block 68 through a transverse hole 61 to the right; when the rear side plate 1d drives the left side plate 1e to turn from the closed position to the open position, the pull rope 66 pulls the left support block 67 and the right support block 68 to synchronously move towards each other.

As shown in fig. 1, the shape of the present invention is that when a trash can is needed to contain trash, a trash bag needs to be placed inside the trash can, and a hanging ring or a sleeve is arranged at an opening of the trash bag, so that after the hanging ring and the sleeve at the opening of the trash bag are sleeved on the left brace 67a and the right brace 68a, the left brace 67a and the right brace 68a are separated to open the entrance of the trash bag, so as to place the trash.

When rubbish is needed to be thrown into the dustbin, the first motor 4 rotates at first, the stirring rod 54 is driven to move to the position shown in fig. 4, the electric push rod 3 is controlled to stretch out, the cover body 2 is pushed to slide rightwards along the direction of the horizontal sliding groove 11, when the sliding block 23 moves to the right end of the horizontal sliding groove 11, the cover plate assembly moves to the second position, the electric push rod 3 stops, the cover body 2 is opened, rubbish is placed into a rubbish bag in the dustbin, the electric push rod 3 contracts to drive the cover body 2 to return, at the moment, the cover plate assembly moves to the first position, and the dustbin is well covered. Start first motor 4 and drive the swinging boom 52 and rotate, because outer ring gear 53 and gear 542 meshing for puddler 54 rotation when round first motor 4's output shaft pivoted, make ultraviolet lamp strip 541 on the puddler 54 can disinfect to rubbish inside, give annular ultraviolet lamp 51 circular telegram simultaneously, disinfect rubbish, accomplish rubbish and put in.

When the interior of the garbage can needs to be cleaned, firstly, the first motor 4 rotates to drive the stirring rod 54 to move to the position shown in fig. 4, the electric push rod 3 is controlled to extend out, the cover body 2 is pushed to slide rightwards along the direction of the horizontal chute 11, when the sliding block 23 moves to the right end of the horizontal chute 11, the electric push rod 3 continues to extend out, the convex column 21 moves along the arc-shaped groove 12, so as to drive the cover body 2 to rotate rightwards to the vertical position (as shown in fig. 3), at the moment, the cover plate assembly is in the third position, so that the stirring rod 54 is taken out of the garbage can, when the cover body 2 rotates to the vertical position as shown in fig. 6, the cover body 2 pushes the locking rod 7 to overcome the first spring 8 to move, so that the locking hook 72 is separated from the locking groove 1, under the action of the torsion spring 9, the rear side plate 1d is driven to turn rightwards, because one end of the pulling rope 66 is fixedly connected with the bottom plate 1a, and the other end is fixedly connected with the left supporting block 67 and the right supporting block 68 along the vertical hole 62 and the transverse hole 61, make the left vaulting pole 67a of back plate 1d pulling 66 pulling when rotating overcome left spring 63, right vaulting pole 68a overcomes right spring 64 and moves in opposite directions, make the disposal bag opening part can have the shrink of certain degree, avoid inside rubbish to fall out, also be convenient for taking off of disposal bag, stop when back plate 1d rotates to the position shown in figure 8, the staff pulls down the disposal bag from left vaulting pole 67a and right vaulting pole 68a, change new disposal bag again, artifical gyration back plate 1d is to the closed position, electric putter 3 contracts, drive lid 2 gyration, latch hook 72 gets into in the locked groove 1e1 and pins left side plate 1e, cover body 2 covers the dustbin until electric putter 3 drives, the apron subassembly is in the first position this moment, accomplish the clearance.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. An environment-friendly dustbin is characterized by comprising a square bottom plate, wherein a front side plate is arranged on the front side edge of the bottom plate, and a right side plate connected with the front side plate is arranged on the right side edge of the bottom plate; a rear side plate is hinged to the rear side of the right side plate, a left side plate perpendicular to the rear side plate is arranged at the left end of the rear side plate, and a bag opening assembly is arranged on the rear side plate and used for placing a garbage bag; when the rear side plate turns left to be parallel to the front side plate, the rear side plate drives the left side plate to be in a closed position, the front side plate, the right side plate, the rear side plate and the left side plate form a square cavity above the bottom plate, and a garbage bag positioned on the bag supporting assembly is positioned above the bottom plate; when the rear side plate turns right to be vertical to the front side plate, the rear side plate drives the left side plate to be in an opening position, and the garbage bag positioned on the bag opening assembly is turned out to leave the bottom plate; the upper end of the front side plate extends upwards to form a front convex plate, and the rear end of the right side plate is provided with a rear convex plate which extends leftwards and is parallel to the front convex plate; a cover plate assembly is arranged between the front convex plate and the rear convex plate, a disinfection assembly is arranged on the cover plate assembly, and the disinfection assembly is used for disinfecting garbage in the garbage bag; the front side plate is provided with an electric push rod for driving the cover plate assembly to move, when the electric push rod drives the cover plate assembly to move to a first position, the cover plate assembly is located right above the cavity and closes the upper end of the cavity, when the electric push rod drives the cover plate assembly to move to a second position, the cover plate assembly moves rightwards to open the upper end of the cavity, and when the electric push rod drives the cover plate assembly to move to a third position, the cover plate assembly overturns rightwards to a vertical position and controls the rear side plate to overturn rightwards to an open position.

2. The environment-friendly dustbin of claim 1, wherein the cover plate assembly comprises a cover body, horizontal chutes are respectively arranged in the front convex plate and the rear convex plate along the left-right direction, the cover body is positioned between the front convex plate and the rear convex plate, sliding blocks are rotatably connected to the front side and the rear side of the cover body, the sliding blocks are slidably connected in the horizontal chutes, and arc-shaped grooves communicated with the horizontal chutes are respectively arranged in the front convex plate and the rear convex plate; a convex column positioned in the horizontal sliding groove or the arc-shaped groove is arranged on the front side of the cover body, one end of the electric push rod is hinged on the front side surface of the front side plate, and the other end of the electric push rod is rotatably connected with the convex column; when the electric push rod drives the cover plate assembly to move to the first position, the convex column is located at the left end of the horizontal sliding groove and the cover body is located at the horizontal position; when the electric push rod drives the cover plate assembly to move to the third position, the convex column is positioned at the upper end of the arc-shaped groove, and the cover body is turned to the vertical position.

3. The environment-friendly dustbin according to claim 2, wherein a first motor is fixedly arranged on the lid body, an output shaft of the first motor vertically extends downwards out of the lid body and is fixedly provided with a rotating arm, an end part of the rotating arm is rotatably connected with a stirring rod, a gear is fixedly arranged at an upper end of the stirring rod, an outer gear ring which is coaxial with the output shaft of the first motor is fixedly arranged on a lower end surface of the lid body, and the outer gear ring is meshed with the gear; when the rotating arm rotates, the gear is meshed with the outer gear ring to drive the stirring rod to rotate.

4. The environmental garbage can of claim 3, wherein the sterilizing assembly comprises an annular ultraviolet lamp embedded in the lower end surface of the cover body; the lower extreme of puddler is equipped with ultraviolet lamp strip.

5. The environment-friendly dustbin according to claim 2, wherein a sliding hole is formed in the front side plate along the left-right direction, a lock rod is connected in the sliding hole in a sliding manner along the left-right direction, an avoiding groove is formed in the front side plate at the right end of the sliding hole, a limiting block is arranged at the right end of the lock rod and extends into the avoiding groove, a first spring for forcing the limiting block to move rightwards is arranged in the avoiding groove, a lock hook is arranged at the left end of the lock rod, and a lock groove for the lock hook to extend into is formed in the front side of the left side plate; when the rear side plate drives the left side plate to be in the closed position, the lock hook extends into the lock groove; when the cover body is turned to the vertical position, the cover body pushes the limiting block and the lock rod to move leftwards, and the lock rod drives the lock hook to be separated from the lock groove; the articulated shaft of posterior lateral plate and right side board has cup jointed the torsional spring, the torsional spring is used for forcing the posterior lateral plate to overturn right.

6. The environment-friendly dustbin according to claim 1, wherein the bag supporting assembly comprises a left supporting block and a right supporting block, the rear side plate is symmetrically provided with a left sliding groove and a right sliding groove, the left supporting block is connected in the left sliding groove in a left-right sliding manner, the right supporting block is connected in the right sliding groove in a sliding manner, the left supporting block is provided with a left supporting rod, the right supporting block is provided with a right supporting rod, and the left supporting rod and the right supporting rod are parallel to each other; a lantern ring or a sleeve into which the left support rod and the right support rod extend is arranged at an opening at the upper end of the garbage bag; the right side of the left supporting block in the left sliding groove is provided with a left spring for forcing the left supporting block to move leftwards, and the left side of the right supporting block in the right sliding groove is provided with a right spring for forcing the right supporting block to move rightwards.

7. The environmental protection dustbin according to claim 6, wherein a vertical hole and a transverse hole for communicating the vertical hole with the left chute and the right chute are formed in the rear side plate; a pull rope is fixedly arranged on the bottom plate, the free end of the pull rope extending into the vertical hole is divided into two strands, one strand is fixedly connected with the left supporting block leftwards through the transverse hole, and the other strand is fixedly connected with the right supporting block rightwards through the transverse hole; when the rear side plate drives the left side plate to turn from the closed position to the open position, the pull rope pulls the left support block and the right support block to synchronously move in opposite directions.