CN114590504A

CN114590504A - Garbage can

Info

Publication number: CN114590504A
Application number: CN202210360128.3A
Authority: CN
Inventors: 闫帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-06-07
Anticipated expiration: 2042-04-07
Also published as: CN114590504B

Abstract

The invention discloses a garbage can which comprises a first shell with a semicircular cross section, a second shell and a third shell, wherein the second shell and the third shell are spliced with the first shell and have a quarter circle cross section; the first shell, the second shell and the third shell are spliced to form a cylindrical barrel with an opening at the upper end; the bottom of the first shell is provided with a driving module; a ferrule is arranged at the upper end of the second shell, and a clamping jaw assembly is arranged in the ferrule; a first electric push rod is fixedly arranged on the outer side of the circumference of the first shell along the vertical direction, a second electric push rod is fixedly arranged on the outer side of the circumference of the second shell along the vertical direction, and a third electric push rod is fixedly arranged on the outer side of the circumference of the third shell along the vertical direction; a transmission module is arranged between the first electric push rod and the driving module; the garbage can is simple in structure, and the garbage bag can be replaced conveniently.

Description

Garbage can

Technical Field

The invention relates to the technical field of garbage devices, in particular to a garbage can.

Background

The dustbin is a box for containing garbage. Most of the garbage cans are made of metal or plastic, and are put into plastic bags when used, so that the garbage cans can be pricked up to be discarded when more garbage is used. The dustbin generally includes box, case lid, the upwards opening of box, case lid in box opening part, this kind of dustbin is through covering all around the peculiar smell of rubbish in order to prevent the box in the case lid of box. The following problems often occur when the existing dustbin is used:

(1) when the existing garbage can is used for placing garbage bags inwards, the opening of the garbage bag needs to be opened and sleeved at the opening of the garbage can, so that the process is complex and the workload is large;

(2) when the existing garbage can is used for cleaning garbage and replacing garbage bags, workers are required to tighten the openings of the garbage bags manually, so that the garbage is prevented from falling off, the garbage bags are easy to break, and the existing garbage can is not sanitary;

(3) the existing dustbin is provided with a dustbin cover, when a garbage bag is replaced by cleaning the garbage, the dustbin cover can generate obstacles, so that the garbage is difficult to take out of the dustbin body, and the garbage bag is difficult to replace;

(4) present dustbin is because self height is lower for when clearing up rubbish, change disposal bag, need the staff to bow to change, make the staff during operation can be very tired.

Disclosure of Invention

The invention aims to provide a garbage can which is simple in structure and can facilitate replacement of garbage bags.

In order to achieve the purpose, the invention provides the following technical scheme: a dustbin comprises a first shell with a semicircular cross section, a second shell and a third shell which are spliced with the first shell and have a quarter circle cross section, wherein the second shell and the third shell are respectively hinged to two ends of the diameter of the bottom of the first shell; the first shell, the second shell and the third shell are spliced to form a cylindrical barrel with an opening at the upper end; the bottom of the first shell is provided with a driving module which is used for controlling the second shell and the third shell to be spliced or separated with or from the first shell; a ferrule is arranged at the upper end of the second shell, a clamping jaw assembly is arranged in the ferrule and used for clamping an opening of a garbage bag; when the first shell, the second shell and the third shell are spliced, the clamping jaw assembly can be used for expanding the upper end opening of the garbage bag, and when the first shell, the second shell and the third shell are separated, the clamping jaw assembly can be used for contracting the upper end opening of the garbage bag; a first electric push rod is fixedly arranged on the outer side of the circumference of the first shell along the vertical direction, a second electric push rod is fixedly arranged on the outer side of the circumference of the second shell along the vertical direction, and a third electric push rod is fixedly arranged on the outer side of the circumference of the third shell along the vertical direction; the transmission module is arranged between the first electric push rod and the driving module, when the first electric push rod extends out, the transmission module controls the driving module to drive the second shell and the third shell to be separated from the first shell, and when the first electric push rod contracts, the transmission module controls the driving module to drive the second shell and the third shell to be spliced with the first shell.

Further, the clamping jaw assembly comprises a first shaft rod, the first shaft rod is fixedly arranged on the inner side of the second shell along the vertical direction, a convex sleeve which extends downwards and is sleeved on the first shaft rod is arranged at the lower end of the ferrule, a first torsion spring is arranged between the convex sleeve and the first shaft rod, and the first torsion spring is used for forcing the convex sleeve to drive the ferrule to turn towards the outer side of the second shell; the upper end of the first shaft lever extends out of the upper end face of the ferrule and is fixedly provided with a horizontal deflector rod; the upper end of the ferrule is provided with a limiting sliding groove with an inverted T-shaped section, a first sliding block and a plurality of second sliding blocks are connected in the limiting sliding groove in a sliding manner along the circumferential direction of the ferrule, and the first sliding block is close to the upper end of the first shaft lever; each second sliding block is hinged with two first connecting rods in the same horizontal plane, and the end parts of the two first connecting rods, which are close to each other, are provided with first convex teeth which are meshed with each other; a second connecting rod in a horizontal plane is hinged to the first sliding block; and clamping block assemblies are arranged between the horizontal deflector rod and the adjacent first connecting rod, between the second connecting rod and the adjacent first connecting rod and between the two adjacent first connecting rods.

Further, when the first shell, the second shell and the third shell are spliced, the clamping block assemblies are uniformly distributed along the circumferential direction of the ferrule, and when the first shell, the second shell and the third shell are separated, the clamping block assemblies are closed to the first shaft rod along the counterclockwise direction.

Furthermore, the clamping block assembly comprises a first clamping block, a downward extending convex shaft is arranged at the lower end of the first clamping block, and the horizontal deflector rod, the first connecting rod, the second connecting rod, the first connecting rod and the two first connecting rods are hinged on the convex shaft; the first clamping block is provided with a second clamping block and a second torsion spring for forcing the second clamping block to press towards the first clamping block; the first clamping block and the second clamping block are used for clamping the garbage bag.

Furthermore, the upper end of the first shell is hinged to an cover plate, and when the first shell, the second shell and the third shell are spliced, the cover plate is used for covering the upper ends of the first shell, the second shell and the third shell.

Further, the driving module comprises a driving cylinder body which is fixed at the bottom of the first shell and is arranged along the radial direction; a driving piston is connected in the driving cylinder body in a sliding manner, a first cavity and a second cavity are respectively formed between the two ends of the driving piston and the driving cylinder body in the driving cylinder body, and a first oil port communicated with the first cavity and a second oil port communicated with the second cavity are arranged on the outer side of the driving cylinder body; the driving piston is provided with a driving rod extending out of the cylinder body, the driving piston drives the driving rod to extend out when the first cavity is filled with oil and the second cavity returns oil, and the driving piston drives the driving rod to contract when the second cavity is filled with oil and the first cavity returns oil; a driving transverse plate is arranged at the end part of the driving rod, a driving groove is formed in the driving transverse plate, a first convex block extending into the driving groove is arranged at the position, close to the circle center of the cross section, of the bottom of the second shell, and a second convex block extending into the driving groove is arranged at the position, close to the circle center of the cross section, of the bottom of the third shell; when the driving rod extends out, the second shell is separated from the first shell through the matching of the first lug and the driving groove, and the third shell is separated from the first shell through the matching of the second lug and the driving groove; when the driving rod contracts, the second shell is close to the first shell through the matching of the first convex block and the driving groove, and the third shell is close to the first shell through the matching of the second convex block and the driving groove.

Furthermore, the transmission module comprises a transmission cylinder body fixedly arranged on the outer side of the first shell along the vertical direction, and the telescopic rod of the first electric push rod penetrates through the transmission cylinder body along the vertical direction; a transmission piston is arranged on the outer side of the telescopic rod, a third cavity and a fourth cavity are respectively formed between the transmission piston and the two ends of the transmission cylinder body in the transmission cylinder body, and a third oil port communicated with the third cavity and a fourth oil port communicated with the fourth cavity are arranged on the outer side of the transmission cylinder body; the third oil port is communicated with the first oil port, and the fourth oil port is communicated with the second oil port.

Further, when the first electric push rod extends out, oil in the third chamber enters the first chamber through the third oil port and the first oil port, and oil in the second chamber enters the fourth chamber through the second oil port and the fourth oil port; when the first electric push rod contracts, oil in the first cavity enters the third cavity through the first oil port and the third oil port, and oil in the fourth cavity enters the second cavity through the fourth oil port and the second oil port.

Advantageous effects

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

1. by using a clamping block assembly which can move along with the horizontal deflector rod, the first connecting rod and the second connecting rod and a first sliding block and a second sliding block which can slide on the ferrule; when the garbage can body is opened, the two first connecting rods are driven by the first convex teeth to drive the plurality of first sliding blocks and the second sliding block to move around the limiting sliding groove, so that when garbage is cleaned and a garbage bag is replaced, the clamping block assemblies are driven to gather together, the garbage bag is automatically closed, the garbage bag can be conveniently taken down, the garbage can is prevented from falling off, and a new garbage bag is easy to install;

2. the first electric push rod is used for controlling the change of the third chamber and the fourth chamber, so that when the garbage needs to be cleaned, the first electric push rod drives the telescopic rod to extend out, the garbage box body is controlled to be opened through the driving module, the garbage bag is convenient to take out from the garbage box, the garbage box is lifted at the same time, and workers do not need to bend down to work, so that time and labor are saved;

3. through first torsional spring control lasso, make when the dustbin is opened, first torsional spring control lasso outwards rotates, thereby control a plurality of clamp splice subassemblies anticlockwise to horizontal driving lever draw close, and roll the disposal bag out the rubbish box, be convenient for clear up the change, simultaneously when the dustbin is closed, the dustbin can also cooperate with the lasso, promote the lasso and overcome first torsional spring and inwards rotate, make the lasso get back to first casing, the second casing, between the third casing, and control clamp splice subassembly along lasso circumference evenly distributed, open the rubbish sack, be convenient for put in rubbish.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of the open cleaning bin of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3 in accordance with the present invention;

FIG. 5 is a cross-sectional view of the waste bin of the present invention as it is retracted;

figure 6 is a cross-sectional view of a clip of the present invention.

Detailed Description

Referring to fig. 1-6, a garbage can includes a first housing 1a with a semicircular cross section, and a second housing 21 and a third housing 22 which are assembled with the first housing 1a and have a quarter circle cross section, wherein the second housing 21 and the third housing 22 are respectively hinged at two ends of the diameter of the bottom of the first housing 1 a; the first shell 1a, the second shell 21 and the third shell 22 are spliced to form a cylindrical barrel with an open upper end; the bottom of the first shell 1a is provided with a driving module, and the driving module is used for controlling the second shell 21 and the third shell 22 to be spliced with or separated from the first shell 1 a; a ferrule 3 is arranged at the upper end of the second shell 21, a clamping jaw assembly is arranged in the ferrule 3, and the clamping jaw assembly is used for clamping an opening of a garbage bag; when the first shell 1a, the second shell 21 and the third shell 22 are combined, the clamping jaw assembly expands the upper end opening of the garbage bag, and when the first shell 1a, the second shell 21 and the third shell 22 are separated, the clamping jaw assembly contracts the upper end opening of the garbage bag; a first electric push rod 61 is fixedly arranged on the outer side of the circumference of the first shell 1a along the vertical direction, a second electric push rod 62 is fixedly arranged on the outer side of the circumference of the second shell 21 along the vertical direction, and a third electric push rod 63 is fixedly arranged on the outer side of the circumference of the third shell 22 along the vertical direction; a transmission module is arranged between the first electric push rod 61 and the driving module, when the first electric push rod 61 extends out, the transmission module controls the driving module to drive the second shell 21 and the third shell 22 to be separated from the first shell 1a, and when the first electric push rod 61 contracts, the transmission module controls the driving module to drive the second shell 21 and the third shell 22 to be spliced with the first shell 1 a.

In this embodiment, the jaw assembly includes a first shaft rod 42, the first shaft rod 42 is fixedly disposed inside the second housing 21 along the vertical direction, a boss 3a extending downward and sleeved on the first shaft rod 42 is disposed at the lower end of the ferrule 3, a first torsion spring 5 is disposed between the boss 3a and the first shaft rod 42, and the first torsion spring 5 is used for forcing the boss 3a to drive the ferrule 3 to turn toward the outside of the second housing 21; the upper end of the first shaft lever 42 extends out of the upper end face of the ferrule 3 and is fixedly provided with a horizontal deflector rod 41; the upper end of the ferrule 3 is provided with a limiting chute 3b with an inverted T-shaped section, a first sliding block 3c and a plurality of second sliding blocks 31 are connected in the limiting chute 3b in a sliding manner along the circumferential direction of the ferrule 3, and the first sliding block 3c is close to the upper end of the first shaft rod 42; each second sliding block 31 is hinged with two first connecting rods 32 in the same horizontal plane, and the mutually-meshed first convex teeth 321 are arranged at the mutually-close ends of the two first connecting rods 32; a second connecting rod 3d in a horizontal plane is hinged on the first sliding block 3 c; clamping block assemblies are arranged between the horizontal deflector rod 41 and the adjacent first connecting rod 32, between the second connecting rod 3d and the adjacent first connecting rod 32 and between the two adjacent first connecting rods 32. When the first casing 1a, the second casing 21 and the third casing 22 are spliced, the clamping block assemblies are uniformly distributed along the circumferential direction of the ferrule 3, and when the first casing 1a, the second casing 21 and the third casing 22 are separated, the clamping block assemblies are close to the first shaft rod 42 along the counterclockwise direction. The clamping block assembly comprises a first clamping block 81, the lower end of the first clamping block 81 is provided with a protruding shaft 8a extending downwards, and the horizontal deflector rod 41, the first connecting rod 32, the second connecting rod 3d, the first connecting rod 32 and the two first connecting rods 32 are all hinged on the protruding shaft 8 a; the first clamping block 81 is provided with a second clamping block 82 and a second torsion spring 83 for forcing the second clamping block 82 to press towards the first clamping block 81; the first and

second clamping blocks

81 and 82 are used to clamp the garbage bag.

The upper end of the first casing 1a is hinged to a cover plate 11, and the cover plate 11 is adapted to cover the upper ends of the first casing 1a, the second casing 21, and the third casing 22 when the first casing 1a, the second casing 21, and the third casing 22 are joined together.

In this embodiment, the driving module includes a driving cylinder 72, and the driving cylinder 72 is fixed at the bottom of the first casing 1a and is arranged in a radial direction; a driving piston 7a is slidably connected in the driving cylinder 72, a first chamber 721 and a second chamber 722 are respectively formed between the two ends of the driving piston 7a and the driving cylinder 72 in the driving cylinder 72, and a first oil port 7p communicated with the first chamber 721 and a second oil port 7q communicated with the second chamber 722 are arranged on the outer side of the driving cylinder 72; the driving piston 7a is provided with a driving rod 7b extending out of the cylinder body, when the first chamber 721 is filled with oil and the second chamber 722 returns oil, the driving piston 7a drives the driving rod 7b to extend out, and when the second chamber 722 is filled with oil and the first chamber 721 returns oil, the driving piston 7a drives the driving rod 7b to contract; a driving transverse plate 7c is arranged at the end part of the driving rod 7b, a driving groove 723 is arranged on the driving transverse plate 7c, a first bump 211 extending into the driving groove 723 is arranged at the position, close to the center of the cross section, of the bottom of the second shell 21, and a second bump 221 extending into the driving groove 723 is arranged at the position, close to the center of the cross section, of the bottom of the third shell 22; when the driving rod 7b is extended, the second housing 21 is separated from the first housing 1a by the engagement of the first projection 211 with the driving groove 723, and the third housing 22 is separated from the first housing 1a by the engagement of the second projection 221 with the driving groove 723; when the driving rod 7b contracts, the second housing 21 and the first housing 1a are closed by the cooperation of the first protrusion 211 and the driving groove 723, and the third housing 22 and the first housing 1a are closed by the cooperation of the second protrusion 221 and the driving groove 723.

In this embodiment, the transmission module includes a transmission cylinder 71 fixedly disposed at the outer side of the first housing 1a along the vertical direction, and the telescopic rod 6a of the first electric push rod 61 penetrates through the transmission cylinder 71 along the vertical direction; a transmission piston 6b is arranged on the outer side of the telescopic rod 6a, a third chamber 711 and a fourth chamber 712 are respectively formed between the transmission piston 6b and two ends of the transmission cylinder 71 in the transmission cylinder 71, and a third oil port 7r communicated with the third chamber 711 and a fourth oil port 7s communicated with the fourth chamber 712 are arranged on the outer side of the transmission cylinder 71; the third port 7r is communicated with the first port 7p, and the fourth port 7s is communicated with the second port 7 q. When the first electric push rod 61 extends, the oil in the third chamber 711 enters the first chamber 721 through the third oil port 7r and the first oil port 7p, and the oil in the second chamber 722 enters the fourth chamber 712 through the second oil port 7q and the fourth oil port 7 s; when the first electric push rod 61 is retracted, the oil in the first chamber 721 enters the third chamber 711 through the first oil port 7p and the third oil port 7r, and the oil in the fourth chamber 712 enters the second chamber 722 through the fourth oil port 7s and the second oil port 7 q.

As shown in fig. 1, when the garbage can is needed to contain garbage, a garbage bag needs to be placed inside the garbage can, when the garbage bag is placed, the second torsion spring 83 needs to be overcome to press the second clamping block 82 to be clamped at the garbage bag opening, so that the clamping block assembly uniformly distributed along the circumferential direction of the ferrule 3 drives the garbage bag opening to be opened, garbage can be placed in the garbage bag, when the garbage is placed in the garbage bag, the cover plate 11 is opened, the garbage is placed in the garbage bag, and the cover plate 11 is covered again, so that garbage can be placed in the garbage bag.

When the interior of the dustbin needs to be cleaned, the first electric push rod 61, the second electric push rod 62 and the third electric push rod 63 extend simultaneously, the first electric push rod 61 drives the telescopic rod 6a to extend, so that the oil in the third chamber 711 flows through the third oil port 7r and the external oil pipe, enters the first chamber 721 from the first oil port 7p, and simultaneously the oil in the second chamber 722 flows through the second oil port 7q and the external oil pipe, and flows into the fourth chamber 712 from the fourth oil port 7s, so that the driving piston 7a drives the driving rod 7b to extend, because the first protrusion 211 and the second protrusion 221 slide in the driving groove 723, the second housing 21 and the third housing 22 are driven to rotate to be separated from the first housing 1a, under the action of the first torsion spring 5, the collar 3 is driven to rotate around the first shaft rod 42, because the first shaft rod 42 is fixedly connected with the second housing 21, the first shaft rod 42 is fixedly connected with the horizontal driving lever 41, make lasso 3 rotate relatively horizontal driving lever 41, under the pulling of horizontal driving lever 41, and under the cooperation of two first dogtooths 321, make first connecting rod 32 pulling second sliding block 31, and second connecting rod 3d pulling first sliding block 3c is along the spacing spout 3b anticlockwise slip on the lasso 3, and then gather together (as shown in fig. 4), make a plurality of first clamp splice 81 fold, fold the rubbish sack, thereby avoid rubbish to fall out, help the staff to tighten the sack, simultaneously because first electric putter 61, second electric putter 62, third electric putter 63 stretches out simultaneously, make the dustbin highly rise, do not need the staff to bow and just can carry out rubbish clearance, after the disposal bag takes off, the rethread evenly presss from both sides the clamp splice subassembly at the disposal bag opening part, accomplish the installation of new disposal bag.

After the new garbage bag is installed, the first electric push rod 61, the second electric push rod 62 and the third electric push rod 63 are simultaneously contracted, the first electric push rod 61 drives the telescopic rod 6a to contract, so that the oil in the fourth chamber 712 flows into the second chamber 722 from the second oil port 7q through the fourth oil port 7s and the external oil pipe, and simultaneously the oil in the first chamber 721 flows into the third chamber 711 from the third oil port 7r through the first oil port 7p and the external oil pipe, so that the driving piston 7a drives the driving rod 7b to contract, and simultaneously drives the second housing 21 and the third housing 22 to rotate to be spliced with the first housing 1a, when the third housing 22 touches the ferrule 3 (as shown in fig. 5), the third housing 22 pushes the ferrule 3 to rotate against the first torsion spring 5 until the ferrule 3 completely returns to the initial position, so that the ferrule 3 rotates relative to the horizontal deflector rod 41, under the pulling of the horizontal deflector rod 41, and under the cooperation of two first dogteeth 321, make first connecting rod 32 pulling second sliding block 31, and second connecting rod 3d pulling first sliding block 3c slides clockwise along spacing spout 3b on the lasso 3, make second sliding block 31 and first sliding block 3c evenly distributed around the lasso 3, the clamp splice subassembly also expandes thereupon (as shown in fig. 2), drives new rubbish sack and expandes, is convenient for rubbish to drop into, accomplishes the disposal bag and changes.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A dustbin is characterized by comprising a first shell with a semicircular cross section, a second shell and a third shell, wherein the second shell and the third shell are spliced with the first shell and have a quarter-circle cross section; the first shell, the second shell and the third shell are spliced to form a cylindrical barrel with an opening at the upper end; the bottom of the first shell is provided with a driving module which is used for controlling the second shell and the third shell to be spliced or separated with or from the first shell; a ferrule is arranged at the upper end of the second shell, a clamping jaw assembly is arranged in the ferrule and used for clamping an opening of a garbage bag; when the first shell, the second shell and the third shell are combined, the clamping jaw assembly stretches the upper end opening of the garbage bag, and when the first shell, the second shell and the third shell are separated, the clamping jaw assembly shrinks the upper end opening of the garbage bag; a first electric push rod is fixedly arranged on the outer side of the circumference of the first shell along the vertical direction, a second electric push rod is fixedly arranged on the outer side of the circumference of the second shell along the vertical direction, and a third electric push rod is fixedly arranged on the outer side of the circumference of the third shell along the vertical direction; and when the first electric push rod is contracted, the transmission module controls the driving module to drive the second shell, the third shell and the first shell to be spliced.

2. The trash bin of claim 1, wherein the clamping jaw assembly comprises a first shaft rod, the first shaft rod is fixedly arranged inside the second shell along the vertical direction, a convex sleeve extending downwards and sleeved on the first shaft rod is arranged at the lower end of the ferrule, a first torsion spring is arranged between the convex sleeve and the first shaft rod, and the first torsion spring is used for forcing the convex sleeve to drive the ferrule to turn towards the outside of the second shell; the upper end of the first shaft lever extends out of the upper end face of the ferrule and is fixedly provided with a horizontal deflector rod; the upper end of the ferrule is provided with a limiting sliding groove with an inverted T-shaped section, a first sliding block and a plurality of second sliding blocks are connected in the limiting sliding groove in a sliding manner along the circumferential direction of the ferrule, and the first sliding block is close to the upper end of the first shaft lever; each second sliding block is hinged with two first connecting rods which are positioned in the same horizontal plane, and the end parts of the two first connecting rods, which are close to each other, are provided with first convex teeth which are meshed with each other; a second connecting rod in a horizontal plane is hinged to the first sliding block; and clamping block assemblies are arranged between the horizontal deflector rod and the adjacent first connecting rod, between the second connecting rod and the adjacent first connecting rod and between the two adjacent first connecting rods.

3. The trash bin of claim 2, wherein the clamp block assemblies are evenly distributed along the circumference of the collar when the first housing, the second housing and the third housing are assembled, and the clamp block assemblies are close to the first shaft in a counterclockwise direction when the first housing, the second housing and the third housing are separated.

4. The trash bin of claim 2, wherein the clamping block assembly comprises a first clamping block, a protruding shaft extending downwards is arranged at the lower end of the first clamping block, and the horizontal deflector rod and the first connecting rod, the second connecting rod and the first connecting rod, and the two first connecting rods are hinged to the protruding shaft; the first clamping block is provided with a second clamping block and a second torsion spring for forcing the second clamping block to press towards the first clamping block; the first clamping block and the second clamping block are used for clamping the garbage bag.

5. A waste bin according to claim 1 wherein the upper end of the first housing is hinged to a cover plate for covering the upper ends of the first, second and third housings when the first, second and third housings are assembled.

6. A waste bin according to claim 1, wherein the drive module includes a drive cylinder fixed to the bottom of the first housing and arranged radially; a driving piston is connected in the driving cylinder body in a sliding manner, a first cavity and a second cavity are respectively formed between the two ends of the driving piston and the driving cylinder body in the driving cylinder body, and a first oil port communicated with the first cavity and a second oil port communicated with the second cavity are arranged on the outer side of the driving cylinder body; the driving piston is provided with a driving rod extending out of the cylinder body, the driving piston drives the driving rod to extend out when the first cavity is filled with oil and the second cavity returns oil, and the driving piston drives the driving rod to contract when the second cavity is filled with oil and the first cavity returns oil; a driving transverse plate is arranged at the end part of the driving rod, a driving groove is formed in the driving transverse plate, a first convex block extending into the driving groove is arranged at the position, close to the circle center of the cross section, of the bottom of the second shell, and a second convex block extending into the driving groove is arranged at the position, close to the circle center of the cross section, of the bottom of the third shell; when the driving rod extends out, the second shell is separated from the first shell through the matching of the first lug and the driving groove, and the third shell is separated from the first shell through the matching of the second lug and the driving groove; when the driving rod contracts, the second shell is close to the first shell through the matching of the first convex block and the driving groove, and the third shell is close to the first shell through the matching of the second convex block and the driving groove.

7. The trash bin of claim 6, wherein the transmission module comprises a transmission cylinder fixedly arranged outside the first housing along a vertical direction, and the telescopic rod of the first electric push rod penetrates through the transmission cylinder along the vertical direction; a transmission piston is arranged on the outer side of the telescopic rod, a third cavity and a fourth cavity are respectively formed between the transmission piston and the two ends of the transmission cylinder body in the transmission cylinder body, and a third oil port communicated with the third cavity and a fourth oil port communicated with the fourth cavity are arranged on the outer side of the transmission cylinder body; the third oil port is communicated with the first oil port, and the fourth oil port is communicated with the second oil port.

8. The trash bin of claim 7, wherein when the first electric push rod is extended, oil in the third chamber enters the first chamber through the third oil port and the first oil port, and oil in the second chamber enters the fourth chamber through the second oil port and the fourth oil port; when the first electric push rod contracts, oil in the first cavity enters the third cavity through the first oil port and the third oil port, and oil in the fourth cavity enters the second cavity through the fourth oil port and the second oil port.