CN212952280U

CN212952280U - Dustbin with spiral compression and crushing functions

Info

Publication number: CN212952280U
Application number: CN202020530633.4U
Authority: CN
Inventors: 段会强; 段斌
Original assignee: Shandong Vicon Heavy Industry Technology Co ltd
Current assignee: Shandong Vicon Heavy Industry Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-04-13
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a dustbin with helical compression and crushing function, including rubbish box, rubbish feeder hopper and helical compression breaker, the inside rubbish warehousing and transportation chamber that has a perfect understanding in the past after to has set gradually upper portion open-ended rubbish compression chamber and around with of rubbish box, rubbish compression chamber with rubbish warehousing and transportation chamber intercommunication, the rear end of rubbish box is equipped with the back sealing door that can open and close, helical compression breaker rotatable set up in the rubbish compression intracavity, the rubbish feeder hopper can convertible connect in on the front portion of rubbish box, the feed inlet of rubbish feeder hopper with rubbish compression chamber can be relieved formula position relative from top to bottom, the rotatory bottom of rubbish feeder hopper offsets with ground or working face can be relieved formula. The utility model discloses a dustbin with helical compression and crushing function has rubbish crushing function, and compressive force is big, and occupation space is little, and the material loading is convenient.

Description

Dustbin with spiral compression and crushing functions

Technical Field

The utility model relates to a dustbin especially relates to a dustbin with helical compression and crushing function.

Background

Along with the development of social urbanization, the living standard of people is continuously improved, and along with the improvement, the generation amount of garbage is increased day by day, and the transportation amount of the garbage is increased day by day. In order to solve the problem of garbage collection and transportation at the front end of garbage disposal, many garbage compression treatment devices have been developed, including a fixed garbage compression station and a mobile garbage compression station, and these compression devices can be classified into:

1. pendulum type clock

2. Cross oil cylinder type

3. The middle oil cylinder is in direct pressure type.

Each garbage compression device has the defects of a pendulum type compression mode, and the compression force is smaller, so that the compression amount of the garbage is small; the cross oil cylinder type has larger compression force and large compression amount to the garbage, but the two crossed oil cylinders are difficult to synchronize, and the compression push heads pushed by the cross oil cylinders are easy to push and block; the middle oil cylinder is in direct pressure type, the compression force is large, the compression amount of the garbage is large, but the size of a compression cavity of the garbage station required by the structure is large, and the space limitation of a movable garbage station and a fixed garbage station with a small field is large.

Disclosure of Invention

The utility model relates to a solve not enough among the prior art and accomplish, the utility model aims at providing a dustbin with helical compression and crushing function has rubbish crushing function, and the compressive force is big, and occupation space is little, and the material loading is convenient.

The utility model discloses a dustbin with helical compression and crushing function, including rubbish box, rubbish feeder hopper and helical compression breaker, the inside rubbish warehousing and transportation chamber that has a perfect understanding in the past after to has set gradually upper portion open-ended rubbish compression chamber and around with of rubbish box, rubbish compression chamber with rubbish warehousing and transportation chamber intercommunication, the rear end of rubbish box is equipped with the back sealing door that can open and close, helical compression breaker rotatable set up in the rubbish compression intracavity, the rubbish feeder hopper can convertible connect in on the front portion of rubbish box, the feed inlet of rubbish feeder hopper with rubbish compression chamber can be relieved formula position relative from top to bottom, the rotatory bottom of rubbish feeder hopper offsets with ground or working face can be relieved formula.

The utility model discloses a dustbin with helical compression and crushing function can also be:

the spiral compression crushing device comprises a spiral compression rod and a rotation driving mechanism used for driving the spiral compression rod to rotate, the spiral compression rod can be rotatably arranged in the garbage compression cavity, the rotation driving mechanism is arranged in the front of the garbage box body, and the rotation driving mechanism is connected with the front end of the spiral compression rod.

The spiral compression rod comprises a mandrel, spiral blades and a shaft head which are integrally formed or fixed together, the shaft head is arranged at the front end of the mandrel, the spiral blades are arranged on the outer wall of the mandrel, and the shaft head is connected with the rotation driving mechanism.

At least two sawteeth are arranged on the peripheral edge of the spiral blade at intervals.

The rotation driving mechanism comprises a motor and a chain transmission mechanism, the chain transmission mechanism comprises a transmission chain, a driving chain wheel and a driven chain wheel, the center of the driving chain wheel can be detachably and fixedly connected with the front end of a rotating main shaft of the motor, the center of the driven chain wheel can be detachably and fixedly connected with the front end of the spiral compression rod, and the transmission chain is respectively connected with the driving chain wheel and the driven chain wheel in a meshed mode.

Driven sprocket through transmission shaft and shaft coupling with fixed connection can be dismantled to the front end of helical compression pole, the front end of transmission shaft with fixed connection can be dismantled to driven sprocket's central authorities, the front end of shaft coupling with fixed connection can be dismantled to the rear end of transmission shaft, the rear end of shaft coupling with fixed connection can be dismantled to the front end of helical compression pole.

The rubbish feeder hopper through the lifting device drive can convertible connect in on the front portion of rubbish box, lifting device includes that bilateral symmetry sets up the lifting cylinder, the lifting arm and the pull rod of the anterior left and right sides of rubbish box, the lower extreme of lifting cylinder body articulate in the anterior side of rubbish box, the rear end of lifting arm articulate in the side of rubbish box, the middle part of lifting arm with the free end portion of lifting cylinder's piston rod is articulated, the front end of lifting arm with the one end of pull rod is articulated, the other end of pull rod with the side of rubbish feeder hopper is articulated.

The garbage bin is characterized in that the rear part of the garbage bin body is provided with locking mechanisms which are bilaterally symmetrically arranged and an opening and closing oil cylinder which is used for driving the rear sealing door to open and close, each locking mechanism comprises a locking pin, a U-shaped groove body and a rear door locking hook, the upper side edge of the rear sealing door is hinged with the upper side of the rear part of the garbage bin body, the locking pin is fixedly arranged at the middle lower part of the side surface of the rear sealing door, the U-shaped groove body is fixedly arranged at the side surface of the rear part of the garbage bin body, a forward concave U-shaped groove is formed in the rear side surface of the U-shaped groove body, the rear door locking hook is movably arranged in the U-shaped groove body in an up-and-down mode, the lower surface of the upper part of the rear door locking hook is in releasable abutting contact with the upper surface of the U-shaped groove body, the upper end of the, the locking pin can be clamped in the U-shaped groove in a releasable mode and can be abutted against the U-shaped groove body in a releasable mode through the rear door locking hook.

The back door locking hook comprises an integrally formed base body and a locking hook portion, the upper end of the locking hook portion is connected to the front side of the lower portion of the base body, the opening of the locking hook portion is backward, the front side of the rear portion of the locking hook portion is provided with a door locking bevel edge which inclines forwards from the back to the bottom from the top, the locking pin can be detachably connected to the locking hook portion, the door locking bevel edge can be detachably connected with the locking pin to offset, the lower surface of the upper portion of the base body can be detachably connected with the upper surface of the U-shaped groove body to offset, and the free end portion of a piston rod for opening and closing the oil cylinder is hinged to the upper end of.

The rear side of the upper part of the base body is provided with a stop bulge which protrudes backwards, and the lower surface of the stop bulge can be in releasable contact with the upper surface of the U-shaped groove body.

The utility model discloses a dustbin with helical compression and crushing function, including rubbish box, rubbish feeder hopper and helical compression breaker, the inside rubbish warehousing and transportation chamber that has a perfect understanding in the past after to has set gradually upper portion open-ended rubbish compression chamber and around with of rubbish box, rubbish compression chamber with rubbish warehousing and transportation chamber intercommunication, the rear end of rubbish box is equipped with the back sealing door that can open and close, helical compression breaker rotatable set up in the rubbish compression intracavity, the rubbish feeder hopper can convertible connect in on the front portion of rubbish box, the feed inlet of rubbish feeder hopper with rubbish compression chamber can be relieved formula position relative from top to bottom, the rotatory bottom of rubbish feeder hopper offsets with ground or working face can be relieved formula. Therefore, the garbage feeding hopper is hinged to the garbage box body and can rotate around the hinged position, when the garbage feeding hopper rotates to the ground, garbage to be treated can be poured into the garbage feeding hopper, after the garbage feeding hopper is fully filled, the garbage is poured into the garbage compression cavity in the front of the garbage box body by rotating 180 degrees, the garbage compression is completed by the spiral compression crushing device in the garbage compression cavity, the garbage is continuously compressed to the garbage storage space formed by the garbage storage and transportation cavity in the rear of the garbage box body and the rear sealing door under the driving of the spiral compression crushing device, after the whole garbage storage space is filled with the garbage, the rear sealing door is opened, the fully compressed garbage can be poured out, and the unloading of the garbage is completed. Compared with the prior art, this dustbin has rubbish crushing function, and compressive force is big to small, simultaneously, the rubbish feeder hopper is placed subaerial material loading mode, compares the material loading mode of high platform material loading, the effectual building area who reduces rubbish station civil engineering. Compared with the prior art, the utility model discloses a dustbin with helical compression and crushing function has following advantage: the garbage crusher has the garbage crushing function, and is large in compression force, small in occupied space and convenient to feed.

Drawings

Fig. 1 is a schematic structural diagram of a garbage can with screw compression and crushing functions according to the present invention.

Fig. 2 is a schematic structural diagram of a garbage can with screw compression and crushing functions according to the present invention.

Fig. 3 is a sectional view a-a of fig. 2 of a garbage can having a screw compressing and crushing function according to the present invention.

Fig. 4 is the internal structure diagram of the garbage can body of the garbage can with the functions of screw compression and crushing.

Fig. 5 is a partially enlarged schematic view of the screw compression crushing device in fig. 4 of the garbage can with screw compression and crushing functions according to the present invention.

Fig. 6 is a schematic structural diagram three of the garbage can with screw compression and crushing functions according to the present invention.

Fig. 7 is a schematic view of a rear door locking hook of a garbage can with screw compression and crushing functions.

Description of the figures

1 … garbage can 2 … garbage feed hopper 3 … garbage compression cavity

4 … Rubbish storage and transportation Chamber 5 … rear sealing door 6 … spiral compression rod

7 … mandrel 8 … helical blade 9 … shaft head

10 … Motor 11 … drive chain 12 … Driving sprocket

13 … driven sprocket 14 … drive shaft 15 … coupler

16 … Lift cylinders 17 … Lift arms 18 … draw bars

19 … opening and closing oil cylinder 20 … locking pin 21 … U-shaped groove body

22 … rear door locking hook 23 … base body 24 … locking hook part

25 … locking door bevel edge 26 … stop projection 27 … standing plate

28 … bearing

Detailed Description

In the present invention, if the direction (up, down, left, right, front and back) is described, the structure shown in fig. 1 is used as a reference for description, but the direction of practical use of the present invention is not limited thereto. In the figure, the positions of two lifting cylinders 16 are respectively left and right, and the directions vertical to the left and right directions are respectively front and back, wherein the garbage feeding hopper 2 is in front, and the garbage box body 1 is in back.

The following describes a trash can with screw compressing and crushing functions according to the present invention in further detail with reference to fig. 1 to 7.

The utility model discloses a dustbin with helical compression and crushing function please refer to fig. 1 to fig. 7, including rubbish box 1, rubbish feeder hopper 2 and helical compression breaker, rubbish box 1 is inside has set gradually upper portion open-ended rubbish compression chamber 3 and the rubbish warehousing and transportation chamber 4 that link up around to after to in the past, rubbish compression chamber 3 with rubbish warehousing and transportation chamber 4 intercommunication, the rear end of rubbish box 1 is equipped with the back sealing door 5 that can open and close, helical compression breaker rotatable set up in rubbish compression chamber 3, rubbish feeder hopper 2 can convertible connect in on rubbish box 1's the front portion, the feed inlet of rubbish feeder hopper 2 with rubbish compression chamber 3 can remove the formula position relative from top to bottom, rubbish feeder hopper 2 rotatory bottom and ground or working face can remove the formula and offset. Therefore, the garbage feeding hopper 2 is hinged on the garbage box body 1 and can rotate around the hinged position, when the garbage feeding hopper 2 rotates to the ground, garbage to be treated can be poured into the garbage feeding hopper 2, after the garbage feeding hopper is fully filled, the garbage is poured into the garbage compression cavity 3 in the front of the garbage box body 1 by rotating the garbage feeding hopper 2 by 180 degrees, the garbage compression is completed by the spiral compression crushing device in the garbage compression cavity 3, the garbage is continuously compressed to the garbage storage space formed by the garbage storage and transportation cavity 4 at the rear part of the garbage box body 1 and the rear sealing door 5 under the driving of the spiral compression crushing device, after the whole garbage storage space is fully filled with the garbage, the rear sealing door 5 is opened, the fully compressed garbage can be poured out, and the unloading of the garbage is completed. Compared with the prior art, this dustbin has rubbish crushing function, and compressive force is big to small, simultaneously, rubbish feeder hopper 2 places the material loading mode subaerial, compares the material loading mode of high platform material loading, the effectual building area who reduces rubbish station civil engineering. Compared with the prior art, the utility model discloses a dustbin with helical compression and crushing function has following advantage: the garbage crusher has the garbage crushing function, and is large in compression force, small in occupied space and convenient to feed.

The utility model discloses a dustbin with spiral compression and crushing function, on the basis of the technical scheme of preceding description, please refer to fig. 1 to 7, can also be: the spiral compression crushing device comprises a spiral compression rod 6 and a rotation driving mechanism used for driving the spiral compression rod 6 to rotate, the spiral compression rod 6 can be rotatably arranged in the garbage compression cavity 3, the rotation driving mechanism is arranged at the front part of the garbage box body 1, and the rotation driving mechanism is connected with the front end of the spiral compression rod 6. Like this, the spiral compression pole 6 is the executive component of rubbish breakage and spiral compression, rotates actuating mechanism and provides power for spiral compression pole 6, drives its rotation, makes it realize the breakage and the spiral compression function to rubbish. On the basis of the technical solution described in the foregoing, it is further preferable that the helical compression bar 6 includes a mandrel 7, a helical blade 8 and a shaft head 9, which are integrally formed or fixed together, the shaft head 9 is disposed at the front end of the mandrel 7, the helical blade 8 is disposed on the outer wall of the mandrel 7, and the shaft head 9 is connected to the rotation driving mechanism. Like this, dabber 7, helical blade 8 and spindle nose 9 weld as an organic whole and constitute spiral compression pole 6, and spindle nose 9 is located the front end of dabber 7 and is used for being connected with rotation actuating mechanism, and helical blade 8 on the dabber 7 is the concrete executive component of rubbish breakage and spiral compression. On the basis of the above-described technical solution, it is further preferable that the peripheral edge of the helical blade 8 is provided with at least two saw teeth at intervals. In this way, in particular, the outer peripheral edge of the helical blade 8 is provided with trapezoidal serrations, so that it can crush and tear large garbage. On the basis of the technical solution described above, it is further preferable that the rotation driving mechanism includes an electric motor 10 and a chain transmission mechanism, the chain transmission mechanism includes a transmission chain 11, a driving sprocket 12 and a driven sprocket 13, the center of the driving sprocket 12 is detachably and fixedly connected to the front end of the rotation main shaft of the electric motor 10, the center of the driven sprocket 13 is detachably and fixedly connected to the front end of the helical compression rod 6, and the transmission chain 11 is respectively engaged and connected with the driving sprocket 12 and the driven sprocket 13. In this way, specifically, the front portion of the garbage can 1 may be provided with a vertical plate 27 for installing the motor 10, the driving sprocket 12 and the driven sprocket 13, the motor 10 is installed and fixed on the vertical plate 27 through bolts, the driving sprocket 12 may be installed on the rotating main shaft of the motor 10 through a flat key, the motor 10 drives the driving sprocket 12 (6) to rotate, and the driven sprocket is driven to rotate by the driving chain 11 driven by the driving sprocket 12, so as to drive the spiral compression rod 6 to rotate. On the basis of the technical solution described above, it is further preferable that the driven sprocket 13 is detachably and fixedly connected with the front end of the spiral compression rod 6 through a transmission shaft 14 and a coupler 15, the front end of the transmission shaft 14 is detachably and fixedly connected with the center of the driven sprocket 13, the front end of the coupler 15 is detachably and fixedly connected with the rear end of the transmission shaft 14, and the rear end of the coupler 15 is detachably and fixedly connected with the front end of the spiral compression rod 6. Like this, driven sprocket passes through transmission shaft 14 and is connected with the one end of shaft coupling 15, set up shaft coupling 15 between helical compression pole 6 and the transmission shaft 14 (driven sprocket), be used for protecting helical compression breaker and rotation actuating mechanism, block the back with helical compression breaker when meetting unable broken rubbish, the load will surpass shaft coupling 15's safe load this moment, shaft coupling 15 can cut off the power transmission route, thereby protection helical compression breaker and drive disk assembly (drive chain 11, drive sprocket 12 and driven sprocket 13 etc.) are not destroyed, treat to clear away the card stagnation rubbish after, entire system can normally work again. Concretely, driven sprocket 13 accessible parallel key is connected to on the transmission shaft 14, and the rethread shaft coupling 15 is connected the helical compression pole 6 on same axis and is formed the helical compression and broken assembly body, and this assembly body passes through bearing 28 and fixes to dustbin 1 to can be around bearing 28 free rotation, shaft coupling 15 can adopt chain safety coupling, and chain safety coupling's both ends can be connected and the transmission through spline and transmission shaft 14 and spindle nose 9 respectively.

The utility model discloses a dustbin with spiral compression and crushing function, on the basis of the technical scheme of preceding description, please refer to fig. 1 to 7, can also be: rubbish feeder hopper 2 can convertible connect in through the lifting device drive on the front portion of rubbish box 1, lifting device includes that bilateral symmetry sets up lifting cylinder 16, lifting arm 17 and the pull rod 18 of the anterior left and right sides of rubbish box 1, the lower extreme of lifting cylinder 16 cylinder body articulate in the anterior side of rubbish box 1, lifting arm 17's rear end articulate in the side of rubbish box 1, lifting arm 17's middle part with lifting cylinder 16's the free end portion of piston rod is articulated, lifting arm 17's front end with pull rod 18's one end is articulated, pull rod 18's the other end with the side of rubbish feeder hopper 2 is articulated. Like this, the rotatory power of rubbish feeder hopper 2 is provided by hopper lifting devices (3), hopper lifting devices sets up the both sides in rubbish box 1 front portion, when rubbish feeder hopper 2 lifts from ground, lift the piston rod of hydro-cylinder 16 and stretch out, will drive lift arm 17 and rotate around its articulated department, lift arm 17's front end clockwise rotation, upwards rise, simultaneously because the both ends of pull rod 18 are connected (articulated) rubbish feeder hopper 2 and lift arm 17 together, thereby drive rubbish feeder hopper 2 around its articulated department clockwise rotation, rubbish feeder hopper 2 upwards overturns to the top of rubbish compression chamber 3, rubbish feeder hopper 2's feed inlet is down, thereby pour rubbish into the rubbish compression chamber 3 of dustbin, the process that rubbish feeder hopper 2 put down is rather than opposite.

The utility model discloses a dustbin with spiral compression and crushing function, on the basis of the technical scheme of preceding description, please refer to fig. 1 to 7, can also be: the rear portion of the garbage can body 1 is provided with a locking mechanism which is arranged in bilateral symmetry and an opening and closing oil cylinder 19 which is used for driving the rear sealing door 5 to open and close, the locking mechanism comprises a locking pin 20, a U-shaped groove body 21 and a rear door locking hook 22, the upper side edge of the rear sealing door 5 is hinged with the upper side of the rear portion of the garbage can body 1, the locking pin 20 is fixedly arranged at the middle lower portion of the side surface of the rear sealing door 5, the U-shaped groove body 21 is fixedly arranged at the side surface of the rear portion of the garbage can body 1, a forward concave U-shaped groove is formed in the rear side surface of the U-shaped groove body 21, the rear door locking hook 22 is vertically movably arranged in the U-shaped groove body 21, the lower surface of the upper portion of the rear door locking hook 22 is in releasable abutting contact with the upper surface of the U-shaped groove body 21, and the upper end, the free end part of a piston rod of the opening and closing oil cylinder 19 is hinged with the upper end of a rear door locking hook 22, and the locking pin 20 can be clamped in the U-shaped groove in a releasable manner and can be abutted on the U-shaped groove body 21 in a releasable manner through the rear door locking hook 22. Thus, when the rear sealing door 5 is opened, the piston rod of the opening and closing oil cylinder 19 extends out, the rear door locking hook 22 abuts against the U-shaped groove body 21 and cannot move downwards any more, and the rear sealing door 5 is jacked up and opened along with the continuous extension of the piston rod of the opening and closing oil cylinder 19; when the rear sealing door 5 is closed, the piston rod of the opening and closing oil cylinder 19 retracts, firstly, the rear sealing door 5 rotates downwards under the action of gravity to be closed, the locking pin 20 on the rear sealing door 5 is clamped into the U-shaped groove of the U-shaped groove body 21 and the rear door locking hook 22, after the rear sealing door 5 is closed, the hinged part of the upper end of the cylinder body of the opening and closing oil cylinder 19 and the upper part of the rear sealing door 5 does not move, the piston rod of the opening and closing oil cylinder 19 continues to retract, the rear door locking hook 22 is driven to slide upwards along the U-shaped groove body 21, and the locking pin 20 is locked, so that the rear sealing door 5 is locked. Specifically, the locking pin 20 is welded to the back door 5. On the basis of the technical solution described above, it is further preferable that the rear door locking hook 22 includes a base 23 and a locking hook portion 24 that are integrally formed, the upper end of the locking hook portion 24 is connected to the front side of the lower portion of the base 23, the opening of the locking hook portion 24 is rearward, a door locking oblique edge 25 that inclines forward from the rear to the front is disposed on the front side of the rear portion of the locking hook portion 24 from top to bottom, the locking pin 20 is releasably engaged with the locking hook portion 24, the door locking oblique edge 25 releasably abuts against the locking pin 20, the lower surface of the upper portion of the base 23 releasably abuts against the upper surface of the U-shaped groove 21, and the free end portion of the piston rod of the opening and closing cylinder 19 is hinged to the upper end of the base 23. Therefore, after the rear sealing door 5 is closed, the piston rod of the opening and closing oil cylinder 19 continuously contracts to drive the rear door locking hook 22 to slide upwards along the U-shaped groove body 21, the locking door bevel edge 25 presses the locking pin 20 to the garbage can body 1 from back to front, and drives the rear sealing door 5 to press to the garbage can body 1 to lock the rear sealing door 5. On the basis of the above-mentioned technical solution, it is further preferable that a stopping protrusion 26 protruding backward is provided on the rear side of the upper portion of the base 23, and the lower surface of the stopping protrusion 26 is detachably abutted against the upper surface of the U-shaped groove 21. Thus, the upper part of the rear door locking hook 22 is provided with a stop bulge 26, when the opening and closing oil cylinder 19 drives the rear sealing door 5 to be opened, the rear door locking hook 22 is limited to move downwards, and a piston rod supporting the opening and closing oil cylinder 19 extends out.

The above description is only for the specific embodiments of the present invention, but not for the scope of the present invention, all equivalent changes or modifications made according to the design spirit of the present invention should be considered as falling into the scope of the present invention.

Claims

1. The utility model provides a dustbin with spiral compression and crushing function which characterized in that: the garbage bin comprises a garbage bin body, a garbage feeding hopper and a spiral compression crushing device, wherein a garbage compression cavity with an upper opening and a garbage storage and transportation cavity which is communicated with the garbage storage and transportation cavity are sequentially arranged in the garbage bin body from front to back, a rear sealing door which can be opened and closed is arranged at the rear end of the garbage bin body, the spiral compression crushing device is rotatably arranged in the garbage compression cavity, the garbage feeding hopper is connected to the front part of the garbage bin body in a turnover mode, a feeding port of the garbage feeding hopper is opposite to the position of the garbage compression cavity in a dismountable mode, and the rotating bottom of the garbage feeding hopper is abutted to the ground or a working face in a dismountable mode.

2. A trash can having a screw compressing and crushing function according to claim 1, wherein: the spiral compression crushing device comprises a spiral compression rod and a rotation driving mechanism used for driving the spiral compression rod to rotate, the spiral compression rod can be rotatably arranged in the garbage compression cavity, the rotation driving mechanism is arranged in the front of the garbage box body, and the rotation driving mechanism is connected with the front end of the spiral compression rod.

3. A trash can having a screw compressing and crushing function according to claim 2, wherein: the spiral compression rod comprises a mandrel, spiral blades and a shaft head which are integrally formed or fixed together, the shaft head is arranged at the front end of the mandrel, the spiral blades are arranged on the outer wall of the mandrel, and the shaft head is connected with the rotation driving mechanism.

4. A trash can having a screw compressing and crushing function according to claim 3, wherein: at least two sawteeth are arranged on the peripheral edge of the spiral blade at intervals.

5. A trash can having a screw compressing and crushing function according to claim 2, wherein: the rotation driving mechanism comprises a motor and a chain transmission mechanism, the chain transmission mechanism comprises a transmission chain, a driving chain wheel and a driven chain wheel, the center of the driving chain wheel can be detachably and fixedly connected with the front end of a rotating main shaft of the motor, the center of the driven chain wheel can be detachably and fixedly connected with the front end of the spiral compression rod, and the transmission chain is respectively connected with the driving chain wheel and the driven chain wheel in a meshed mode.

6. A trash can with screw compressing and crushing functions according to claim 5, wherein: driven sprocket through transmission shaft and shaft coupling with fixed connection can be dismantled to the front end of helical compression pole, the front end of transmission shaft with fixed connection can be dismantled to driven sprocket's central authorities, the front end of shaft coupling with fixed connection can be dismantled to the rear end of transmission shaft, the rear end of shaft coupling with fixed connection can be dismantled to the front end of helical compression pole.

7. A trash can having a screw compressing and crushing function according to any one of claims 1 to 6, wherein: the rubbish feeder hopper through the lifting device drive can convertible connect in on the front portion of rubbish box, lifting device includes that bilateral symmetry sets up the lifting cylinder, the lifting arm and the pull rod of the anterior left and right sides of rubbish box, the lower extreme of lifting cylinder body articulate in the anterior side of rubbish box, the rear end of lifting arm articulate in the side of rubbish box, the middle part of lifting arm with the free end portion of lifting cylinder's piston rod is articulated, the front end of lifting arm with the one end of pull rod is articulated, the other end of pull rod with the side of rubbish feeder hopper is articulated.

8. A trash can having a screw compressing and crushing function according to any one of claims 1 to 6, wherein: the garbage bin is characterized in that the rear part of the garbage bin body is provided with locking mechanisms which are bilaterally symmetrically arranged and an opening and closing oil cylinder which is used for driving the rear sealing door to open and close, each locking mechanism comprises a locking pin, a U-shaped groove body and a rear door locking hook, the upper side edge of the rear sealing door is hinged with the upper side of the rear part of the garbage bin body, the locking pin is fixedly arranged at the middle lower part of the side surface of the rear sealing door, the U-shaped groove body is fixedly arranged at the side surface of the rear part of the garbage bin body, a forward concave U-shaped groove is formed in the rear side surface of the U-shaped groove body, the rear door locking hook is movably arranged in the U-shaped groove body in an up-and-down mode, the lower surface of the upper part of the rear door locking hook is in releasable abutting contact with the upper surface of the U-shaped groove body, the upper end of the, the locking pin can be clamped in the U-shaped groove in a releasable mode and can be abutted against the U-shaped groove body in a releasable mode through the rear door locking hook.

9. A trash can having a screw compressing and crushing function according to claim 8, wherein: the back door locking hook comprises an integrally formed base body and a locking hook portion, the upper end of the locking hook portion is connected to the front side of the lower portion of the base body, the opening of the locking hook portion is backward, the front side of the rear portion of the locking hook portion is provided with a door locking bevel edge which inclines forwards from the back to the bottom from the top, the locking pin can be detachably connected to the locking hook portion, the door locking bevel edge can be detachably connected with the locking pin to offset, the lower surface of the upper portion of the base body can be detachably connected with the upper surface of the U-shaped groove body to offset, and the free end portion of a piston rod for opening and closing the oil cylinder is hinged to the upper end of.

10. A trash can having a screw compressing and crushing function according to claim 9, wherein: the rear side of the upper part of the base body is provided with a stop bulge which protrudes backwards, and the lower surface of the stop bulge can be in releasable contact with the upper surface of the U-shaped groove body.