A trash can

Abstract

The application discloses a garbage can, which comprises an inner barrel body with an upper opening and an outer barrel body with a lower opening, and the outer barrel body can cover the outer side of the inner barrel body from top to bottom, characterized in that: first clamping grooves, rope pulling positioning areas and notches with upper openings are arranged on the two sides of the inner barrel body respectively, bag lifting rods, self-locking blocks and driving members are arranged on the two sides of the outer barrel body respectively, the rope pulling positioning areas are located above the bag lifting rods, the self-locking blocks are telescopically arranged on the inner side of the outer barrel body, can be clamped or separated from the first clamping grooves, the bag lifting rods are rotatably arranged on the inner side of the outer barrel body, can be rotated to the notches and extended to be directly below the rope pulling positioning areas, the driving members are connected with the self-locking blocks and the bag lifting rods respectively, can synchronously drive the self-locking blocks to move and the bag lifting rods to rotate, and when the bag lifting rods are in a connected state of being rotated to be directly below the rope pulling positioning areas, the self-locking blocks are in a connected state of being separated from the first clamping grooves.

Description

Technical Field

[0001] This invention specifically relates to a trash can. Background Technology

[0002] Trash cans are a common household item in people's daily lives, and there are many different types. The simplest trash can consists of only a container with an open top. Although this type of trash can has a simple structure, it is not aesthetically pleasing. For example, the top edge of the trash bag will be exposed on the outside, and if the top of the trash bag is not secured, it is easy for it to slip into the can when throwing away trash, which is inconvenient.

[0003] As a result, some double-layered trash cans have appeared on the market. These consist of an outer shell covering the main trash can, with the trash bag placed inside the inner can. The top edge of the trash bag is pressed down and covered by the outer can, making it aesthetically pleasing and preventing the trash bag from falling off. While double-layered trash cans offer these advantages, they also have some drawbacks. For example, when lifting the entire trash can, both the outer and inner cans must be held firmly to prevent them from separating, making them inconvenient to move. Furthermore, these trash cans lack an automatic sealing function. When emptying the trash, lifting the outer can releases odors from the trash bag, which can be unpleasant for the user. Additionally, users need to manually tighten the drawstring of the trash bag to seal it, which is inconvenient for them. Summary of the Invention

[0004] In view of the shortcomings of the existing technology, the technical problem to be solved by the present invention is to provide a trash can.

[0005] A trash can includes an inner bucket with an upper opening and an outer bucket with a lower opening. The outer bucket can cover the outside of the inner bucket from top to bottom. The inner bucket has a first slot, a drawstring positioning area and a notch with an upper opening on both sides. The outer bucket has a bag-carrying rod, a self-locking block and a driving component on both sides. The drawstring positioning area is located above the bag-carrying rod.

[0006] The self-locking block is telescopically mounted inside the outer barrel and can engage or disengage from the first slot.

[0007] The carrying handle is rotatably located inside the outer barrel and can rotate toward the notch and extend directly below the drawstring positioning area;

[0008] The driving component is connected to the self-locking block and the bag-lifting rod respectively. It can synchronously drive the self-locking block to move and the bag-lifting rod to rotate. When the bag-lifting rod is in the connected state directly below the drawstring positioning area, the self-locking block is in the connected state of being disengaged from the first slot.

[0009] In one embodiment, the lower part of the inner barrel is provided with a flange along the outer circumferential wall, and the inner barrel has an exhaust hole that communicates with its inner cavity through the periphery of the inner barrel and above the flange. The outer barrel can cover the outer side of the inner barrel from top to bottom, and the lower edge of the outer barrel is sealed and abutted against the upper side of the flange. A flow channel is formed between the outer barrel and the inner barrel, and the flow channel is connected to the upper opening of the inner barrel.

[0010] In one embodiment, the driving component includes a first spring, a connecting rod, and a button. First mounting cavities are respectively provided on both sides of the outer barrel, and the button, the first spring, and the bag handle are respectively disposed in the first mounting cavities.

[0011] The button can reciprocate along the first mounting cavity relative to the inner barrel, moving closer or further away. The connecting rod and the carrying rod are rotatably disposed in the first mounting cavity, with the carrying rod located on the moving trajectory of the button and able to rotate due to the displacement of the button. The self-locking block has a first limiting groove. One end of the connecting rod movably abuts against the first limiting groove, and the other end abuts against the button. The first spring abuts between the self-locking block and the first mounting cavity or between the button and the first mounting cavity. The first spring ensures that the self-locking block is initially in a connected state where it protrudes into the first slot, while the button and the carrying rod are in a disengaged state where they are relatively far apart.

[0012] In one embodiment, a cover is detachably connected to the inner side of the outer barrel. A first mounting cavity is formed between the cover and the outer barrel. A first guide groove and a second guide groove are respectively provided in the first mounting cavity. The button is disposed in the first guide groove and can reciprocate along the depth direction of the first guide groove. The self-locking block is disposed in the second guide groove and can reciprocate along the depth direction of the second guide groove. A first through hole is provided on one side of the outer barrel corresponding to the position of the first guide groove, through the first through hole to allow the button to be partially exposed on the outside. A second through hole is provided on one side of the cover corresponding to the position of the second guide groove, through the second through hole to allow the self-locking block to movably protrude outward from the outside of the cover and cooperate with the first slot.

[0013] In one embodiment, the drawstring positioning area includes two protrusions spaced apart and protruding from the outer periphery of the inner barrel, the notch being located between the two protrusions, and the upper end of the protrusion having a second groove that can engage with the drawstring.

[0014] In one embodiment, the first guide groove has a second limiting groove recessed on its periphery, and a buckle strip that can elastically deform is evenly distributed along the circumference on one side of the button. The buckle strip has a protrusion on one side, and the protrusion can move and cooperate with the buckle strip as it deforms.

[0015] In one embodiment, the outer barrel includes a first annular barrel body with openings at the top and bottom, and a cover that can be opened and closed and is placed on the opening of the first annular barrel body. A flow guide flange is provided on the inner side of the first annular barrel body along the circumference. The flow guide flange has an "L" shaped cross-section so that a flow guide groove is formed between the flow guide flange and the first annular barrel body. The upper sidewall of the inner barrel body is located in the flow guide groove and a gap is left between it and the flow guide flange.

[0016] In one embodiment, the cover is rotatably mounted on the first annular barrel body by a torsion spring, and the torsion spring keeps the cover in an open state relative to the opening on the first annular barrel body. A locking member is provided between the cover and the first annular barrel body, and the locking member keeps the cover closed on the opening on the first annular barrel body.

[0017] In one embodiment, the locking member includes a snap-fit ​​member and a second spring. The cover body has a second mounting cavity, which is respectively connected to a first opening and a second opening. The snap-fit ​​member is rotatably disposed in the second mounting cavity. The lower part of the snap-fit ​​member passes through the first opening and is movably located on the lower side of the cover body. The upper part of the snap-fit ​​member passes through the second opening and is movably located on the upper side of the cover body. The second spring abuts against the upper part of the second mounting cavity and the snap-fit ​​member. A third slot is provided on one side of the lower part of the snap-fit ​​member. The first annular barrel body is provided with a hook that can engage with the third slot.

[0018] In one embodiment, a suspension assembly is provided on one side of the outer barrel;

[0019] The suspension assembly includes a vacuum suction cup and a hanging component. The hanging component is fixedly connected to the outer barrel body, and one side of the vacuum suction cup has a connecting part that can be suspended and cooperated with the hanging component.

[0020] In summary, the advantages of this invention over the prior art are:

[0021] The present invention drives the self-locking block to move telescopically relative to the inner wall of the outer barrel through a driving component, so that the self-locking block can protrude outward or retract into the inner wall of the outer barrel. When the self-locking block is in the protruding state, the self-locking block can be inserted and engaged with the first slot of the inner barrel, and the inner and outer barrels are connected at this time, which is convenient for users to move and transfer without having to hold the inner barrel by hand.

[0022] Conversely, when the self-locking block is in the retracted state, it disengages from the first slot, and the outer and inner bins are separable. At this time, the lifting rod is driven by the driving component to rotate in the direction of the notch, and then rotates to be located directly below the drawstring positioning area. Thus, when the outer bin is disassembled and lifted from bottom to top, the lifting rod can abut against the drawstring of the garbage bag, causing the garbage bag to close and thus automatically pack the garbage bag. The packing of the garbage bag is related to the user's action of lifting the outer bin, satisfying the user's operational inertia. Attached Figure Description

[0023] Figure 1 This is one of the cross-sectional structural schematic diagrams of a trash can according to one embodiment of the present invention;

[0024] Figure 2 As one embodiment of the present invention Figure 1 One of the enlarged schematic diagrams of point A;

[0025] Figure 3 As one embodiment of the present invention Figure 1 Second enlarged schematic diagram of point A;

[0026] Figure 4 This is a second cross-sectional structural schematic diagram of a trash can according to one embodiment of the present invention;

[0027] Figure 5 As one embodiment of the present invention Figure 4 Enlarged view of point B;

[0028] Figure 6 This is one of the exploded views of a trash can according to one embodiment of the present invention;

[0029] Figure 7 This is a second exploded view of a trash can according to one embodiment of the present invention;

[0030] Figure 8 This is a partially exploded view of a trash can according to one embodiment of the present invention. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0032] like Figures 1 to 8 The presented embodiment of the present invention preferably provides a trash can, including an inner bucket 1 with an upper opening and an outer bucket 2 with a lower opening. The outer bucket 2 can cover the outside of the inner bucket 1 from top to bottom. The inner bucket 1 is provided with a first slot 3, a drawstring positioning area 4 and a notch 5 with an upper opening on both sides. The outer bucket 2 is provided with a bag-carrying rod 6, a self-locking block 7 and a driving member 8 on both sides. The drawstring positioning area 4 is located above the bag-carrying rod 6; the self-locking block 7 is telescopic. The movable part is located inside the outer barrel 2 and can engage or disengage from the first slot 3; the carrying rod 6 is rotatably located inside the outer barrel 2 and can rotate toward the notch 5 and extend directly below the drawstring positioning area 4; the driving component 8 is connected to the self-locking block 7 and the carrying rod 6 respectively, and can synchronously drive the self-locking block 7 to move and the carrying rod 6 to rotate, and when the carrying rod 6 is in the connected state of rotating to directly below the drawstring positioning area 4, the self-locking block 7 is in the connected state of disengaging from the first slot 3.

[0033] Specifically, drawstring garbage bags are a relatively mature existing technology. They can be closed by pulling the drawstrings on both sides. The structural principle will not be described in detail here. For reference, a garbage bag disclosed in Chinese Patent Publication No. CN217397438U can be used.

[0034] When in use, the garbage bag with drawstring is placed inside the inner bin, and the drawstrings on both sides of the garbage bag are respectively placed in the drawstring positioning area. The outer bin covers the inner bin. The driving component drives the self-locking block to move telescopically relative to the inner wall of the outer bin, so that the self-locking block can protrude outward or retract into the inner wall of the outer bin. When the self-locking block is in the protruding state, the self-locking block can be inserted and engaged with the first slot of the inner bin. Thus, the inner and outer bins are connected, which makes it easy for users to move and transfer without having to hold the inner bin by hand.

[0035] Conversely, when the self-locking block is in the retracted state, it disengages from the first slot, and the outer and inner bins are separable. At this time, the lifting rod is driven by the driving component to rotate in the direction of the notch, and then rotates to be located directly below the drawstring positioning area. Thus, when the outer bin is disassembled and lifted from bottom to top, the lifting rod can abut against the drawstring of the garbage bag, causing the garbage bag to close and thus automatically pack the garbage bag. The packing of the garbage bag is related to the user's action of lifting the outer bin, satisfying the user's operational inertia.

[0036] Furthermore, the lower part of the inner barrel 1 is provided with a flange 11 along the outer circumferential wall, and the inner barrel 1 has an exhaust hole 12 that communicates with its inner cavity through the circumference of the inner barrel 1 and above the flange 11. The outer barrel 2 can cover the outer side of the inner barrel 1 from top to bottom, and the lower edge of the outer barrel 2 is sealed and abutted against the upper side of the flange 11. A flow channel 13 is formed between the outer barrel 2 and the inner barrel 1, and the flow channel 13 is connected to the upper opening of the inner barrel 1.

[0037] Specifically, during the process of the outer bucket covering the inner bucket, the air in the inner cavity of the outer bucket moves downward and enters the garbage bag, causing the garbage bag to quickly inflate and expand. Meanwhile, the air between the garbage bag and the inner bucket is discharged through the vent, thus enabling the garbage bag to be fully opened for use.

[0038] Furthermore, when the outer bin is completely covered by the inner bin, the outer bin can seal and cover the vent, thus effectively preventing mosquitoes and other insects from entering the inner bin through the vent and breeding. The air discharged from the vent can be pressurized and replenished into the garbage bag through the opening of the inner bin via the flow channel, thereby effectively preventing the garbage bag from forming an inward bulge when the vent cannot discharge the last air after the outer bin is completely covered by the inner bin.

[0039] Further, the driving component 8 includes a first spring 81, a connecting rod 82, and a button 83. First mounting cavities 84 are respectively provided on both sides of the outer barrel 2. The button 83, the first spring 81, and the carrying rod 6 are respectively disposed within the first mounting cavities 84. The button 83 can reciprocate along the first mounting cavity 84 relative to the inner barrel 1, moving closer to or further away from it. The connecting rod 82 and the carrying rod 6 are rotatably disposed within the first mounting cavities 84, and the carrying rod 6 is located on the movement trajectory of the button 83. The self-locking block 7 is rotated by the displacement of the button 83. It has a first limiting groove 85. One end of the connecting rod 82 is movably abutted against the first limiting groove 85, and the other end abuts against the button 83. The first spring 81 abuts against the self-locking block 7 and the first mounting cavity 84 or against the button 83 and the first mounting cavity 84. The first spring 81 makes the self-locking block 7 initially connected in the first slot 3 with its protrusion inserted into it, while the button 83 and the bag handle 6 are in a disengaged state that is relatively far apart.

[0040] When button 83 is displaced towards the inner barrel 1 under force, button 83 abuts against one side of the bag handle 6, causing the bag handle 6 to rotate and extend directly below the drawstring positioning area 4, while at the same time the connecting rod 82 drives the self-locking block 7 to displace and disengage from the first slot 3.

[0041] Specifically, in the initial state, the button is kept away from the bag handle by the elastic force of the spring. As a result, the bag handle hangs down due to its gravity. At this time, the bag handle and the drawstring positioning area are misaligned. When the outer bucket covers the inner bucket from top to bottom or the outer bucket is lifted from the inner bucket from bottom to top, the bag handle will not touch the drawstring of the garbage bag in the drawstring positioning area. At the same time, the button is driven by the lever principle through the connecting rod to keep the self-locking block in the first slot. Thus, the inner bucket and the outer bucket are in the connected state.

[0042] When the garbage bag needs to be replaced, the user presses the button to compress the spring. At this time, the push rod on the button moves and presses against one side of the bag-lifting rod, causing the bag-lifting rod to rotate towards the notch and directly below the drawstring positioning area. Simultaneously, the button, through a linkage and lever principle, causes the self-locking block to displace and retract from the first slot, thus separating the inner and outer bins. When the user holds down the button and lifts the outer bin, the bag-lifting rod will engage the drawstring in the drawstring positioning area and pull upwards, automatically closing the garbage bag. When fully lifted, the user releases the button to automatically lower the closed garbage bag. The closing of the garbage bag is linked to the user's action of lifting the outer bin, satisfying the user's operational inertia.

[0043] Furthermore, a cover 21 is detachably connected to the inner side of the outer barrel 2. The first mounting cavity 84 is formed between the cover 21 and the outer barrel 2. A first guide groove 22 and a second guide groove 23 are respectively provided in the first mounting cavity 84. The button 83 is disposed in the first guide groove 22 and can reciprocate along the depth direction of the first guide groove 22. The self-locking block 7 is disposed in the second guide groove 23 and can reciprocate along the depth direction of the second guide groove 23. A first through hole 24 is provided on one side of the outer barrel 2 corresponding to the position of the first guide groove 22, so that the button 83 is partially exposed on the outside. A second through hole 25 is provided on one side of the cover 21 corresponding to the position of the second guide groove 23, so that the self-locking block 7 can movably protrude outward from the outside of the cover 21 and cooperate with the first slot 3.

[0044] Furthermore, when the spring loses its elasticity after prolonged use, the user can replace the spring by disassembling the cover. The button is partially exposed on the outside of the outer barrel through the first perforation, making it easy for the user to press and lift the outer barrel directly by hand.

[0045] Furthermore, the drawstring positioning area 4 includes two protrusions 41 spaced apart and extending outward from the outer periphery of the inner barrel 1. The notch 5 is located between the two protrusions 41. The upper end of each protrusion 41 has a recessed second groove 42 that can engage with the drawstring. The drawstring can then be positioned by manually placing it into the second groove.

[0046] Furthermore, a second limiting groove 26 is recessed on the periphery of the first guide groove 22. Elastically deformable snap-fit ​​strips 27 are evenly distributed along the circumference of one side of the button 83. One side of each snap-fit ​​strip 27 has a protrusion that can deform and move within the second limiting groove 26. This snap-fit ​​strip enables quick button installation, and the movable engagement of the protrusion with the second limiting groove ensures that when the button moves along the depth direction of the first guide groove, the protrusion of the snap-fit ​​strip moves synchronously along the second limiting groove.

[0047] Furthermore, the outer barrel 2 includes a first annular barrel body 28 with openings at the top and bottom, and a cover 29 that can be opened and closed and is located on the opening of the first annular barrel body 28. A flow-guiding flange 30 is provided along the circumference of the inner side of the first annular barrel body 28. The flow-guiding flange 30 has an "L"-shaped cross-section, forming a flow-guiding groove between the flow-guiding flange 30 and the first annular barrel body 28. The upper sidewall of the inner barrel 1 is located within the flow-guiding groove and has a gap with the flow-guiding flange 30. The flow-guiding flange guides the airflow entering the inner barrel through the flow channel to enter the inner cavity of the garbage bag in a downward circumferential manner, causing the garbage bag to inflate and expand from the edge, allowing the garbage bag to better expand and fit the inner wall of the inner barrel.

[0048] Furthermore, the lid 29 is rotatably mounted on the first annular body 28 via a torsion spring. The torsion spring keeps the lid 29 in an open state relative to the opening on the first annular body 28. A locking member 9 is provided between the lid 29 and the first annular body 28, keeping the lid 29 closed at the opening on the first annular body 28. Thus, users can dispose of garbage into the inner bin by opening and closing the lid, and the locking member keeps the opening on the outer bin closed, preventing garbage from spilling out even if the entire garbage bin is tilted, making it convenient for users.

[0049] Furthermore, the locking member 9 includes a snap-fit ​​member 91 and a second spring 92. The cover 29 has a second mounting cavity 93, which is respectively connected to a first opening and a second opening. The snap-fit ​​member 91 is rotatably disposed in the second mounting cavity 93. The lower part of the snap-fit ​​member 91 passes through the first opening and is movably located on the lower side of the cover 29. The upper part of the snap-fit ​​member 91 passes through the second opening and is movably located on the upper side of the cover 29. The second spring 92 abuts against the upper part of the second mounting cavity 93 and the snap-fit ​​member 91. A third slot 99 is provided on one side of the lower part of the snap-fit ​​member 91. The first annular barrel body 28 is provided with a hook 94 that can engage with the third slot 99. Furthermore, the elastic force of the second spring causes the locking component to rotate and maintain the connection between the third locking groove and the hook. When the cover needs to be opened, the user only needs to press the upper part of the locking component to compress the elastic force of the second spring. At this time, the third locking groove of the locking component rotates and disengages from the hook, and the cover opens quickly due to the force of the torsion spring. Conversely, when closing the cover, the user presses the cover, and the locking component moves to abut against the hook. The guide slope on the upper side of the hook causes the locking component to rotate, and the third locking groove engages with the hook.

[0050] Furthermore, a suspension assembly is provided on one side of the outer bin 2; wherein, the suspension assembly includes a vacuum suction cup 95 and a hanging member 96, the hanging member 96 is fixedly connected to the outer bin 2, and one side of the vacuum suction cup 95 has a connecting part 97 that can be suspended and cooperate with the hanging member 96. Thus, the user can attach the suction cup to the place where the trash can needs to be hung, and then achieve the wall-mounting function through the hanging member and the connecting part.

[0051] The foregoing has shown and described the basic principles and main features of the present invention, as well as its advantages. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the present invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trash can, comprising an inner barrel (1) with an upper opening and an outer barrel (2) with a lower opening, wherein the outer barrel (2) can cover the outside of the inner barrel (1) from top to bottom, characterized in that: The inner barrel (1) is provided with a first slot (3), a drawstring positioning area (4) and a notch (5) with an upper opening on both sides. The outer barrel (2) is provided with a carrying rod (6), a self-locking block (7) and a driving component (8) on both sides. The drawstring positioning area (4) is located above the carrying rod (6). The self-locking block (7) is telescopically movable inside the outer barrel (2) and can engage or disengage from the first slot (3). The carrying handle (6) is rotatably located inside the outer barrel (2), and can rotate toward the notch (5) and extend to the area directly below the drawstring positioning area (4); The driving component (8) is connected to the self-locking block (7) and the bag handle (6) respectively. It can synchronously drive the self-locking block (7) to move and the bag handle (6) to rotate. When the bag handle (6) is in the connection state of rotating to the drawstring positioning area (4), the self-locking block (7) is in the connection state of disengaging from the first slot (3). The driving component (8) includes a first spring (81), a connecting rod (82) and a button (83). The outer barrel (2) is provided with first mounting cavities (84) on both sides. The button (83), the first spring (81) and the bag handle (6) are respectively located in the first mounting cavities (84). The button (83) can reciprocate along the first mounting cavity (84) relative to the inner barrel (1) by moving closer or further away. The connecting rod (82) and the bag handle (6) are respectively rotatably disposed in the first mounting cavity (84), and the bag handle (6) is located on the movement trajectory of the button (83) and can be rotated by the displacement of the button (83). The self-locking block (7) has a first limiting groove (85). One end of the connecting rod (82) is movably abutted against the first limiting groove (85), and the other end abuts against the button (83). The first spring (81) abuts between the self-locking block (7) and the first mounting cavity (84) or between the button (83) and the first mounting cavity (84). The first spring (81) makes the self-locking block (7) initially connected in the externally protruding insertion into the first slot (3), and at the same time the button (83) and the bag handle (6) are in a relatively far-away disengaged state. When the button (83) is displaced in the direction of the inner barrel (1) under force, the button (83) abuts against one side of the bag handle (6), causing the bag handle (6) to rotate and extend to the drawstring positioning area (4) directly below, and at the same time the connecting rod (82) drives the self-locking block (7) to displace and disengage from the first slot (3).

2. A trash can according to claim 1, characterized in that: The inner barrel (1) has an exhaust hole (12) that communicates with its inner cavity through its periphery. The outer barrel (2) can cover the outer side of the inner barrel (1) from top to bottom, and the inner wall of the outer barrel (2) can seal against the outer wall of the inner barrel (1) located below the exhaust hole (12). A flow channel (13) is formed between the outer barrel (2) and the inner barrel (1), and the flow channel (13) is connected to the opening on the upper part of the inner barrel (1).

3. A trash can according to claim 1, characterized in that: The outer barrel (2) is detachably connected to a cover (21) on its inner side. The first mounting cavity (84) is formed between the cover (21) and the outer barrel (2). A first guide groove (22) and a second guide groove (23) are respectively provided in the first mounting cavity (84). The button (83) is located in the first guide groove (22) and can reciprocate along the depth direction of the first guide groove (22). The self-locking block (7) is located in the second guide groove (23) and can reciprocate along the depth direction of the second guide groove (22). The outer barrel (2) moves back and forth in the depth direction of the groove (23). A first through hole (24) is provided on one side of the outer barrel (2) corresponding to the position of the first guide groove (22). The button (83) is partially exposed on the outside through the first through hole (24). A second through hole (25) is provided on one side of the cover (21) corresponding to the position of the second guide groove (23). The self-locking block (7) can be moved outward from the outside of the cover (21) and cooperate with the first slot (3) through the second through hole (25).

4. A trash can according to claim 1, characterized in that: The drawstring positioning area (4) includes two protrusions (41) that are spaced apart and protrude outward from the outer periphery of the inner barrel (1). The notch (5) is located between the two protrusions (41). The upper end of the protrusion (41) has a second groove (42) that can engage with the drawstring.

5. A trash can according to claim 3, characterized in that: The first guide groove (22) has a second limiting groove (26) recessed on its periphery. The button (83) has a buckle strip (27) that can be elastically deformed evenly distributed along its circumference on one side. The buckle strip (27) has a protrusion on one side, which can be displaced with the buckle strip (27) and move and fit in the second limiting groove (26).

6. A trash can according to claim 2, characterized in that: The outer barrel (2) includes a first annular barrel body (28) with openings at the top and bottom, and a cover (29) that can be opened and closed and placed on the opening of the first annular barrel body (28). A flow guide flange (30) is provided on the inner side of the first annular barrel body (28) along the circumference.

7. A trash can according to claim 6, characterized in that: The cover (29) is rotatably mounted on the first annular barrel (28) by a torsion spring. The torsion spring keeps the cover (29) in an open state relative to the opening on the first annular barrel (28). A locking member (9) is provided between the cover (29) and the first annular barrel (28). The locking member (9) keeps the cover (29) closed on the opening on the first annular barrel (28).

8. A trash can according to claim 7, characterized in that: The locking member (9) includes a snap-fit ​​member (91) and a second spring (92). The cover (29) has a second mounting cavity (93). The second mounting cavity (93) is connected to a first opening and a second opening. The snap-fit ​​member (91) is rotatably disposed in the second mounting cavity (93). The lower part of the snap-fit ​​member (91) passes through the first opening and is located on the lower side of the cover (29). The upper part of the snap-fit ​​member (91) passes through the second opening and is located on the upper side of the cover (29). The second spring (92) abuts between the second mounting cavity (93) and the upper part of the snap-fit ​​member (91). A third slot (99) is provided on one side of the lower part of the snap-fit ​​member (91). The first annular barrel body (28) is provided with a hook (94) that can engage with the third slot (99).

9. A trash can according to claim 1, characterized in that: A suspension assembly is provided on one side of the outer barrel (2); The suspension assembly includes a vacuum suction cup (95) and a hanging piece (96). The hanging piece (96) is fixedly connected to the outer barrel (2). The vacuum suction cup (95) has a connecting part (97) on one side that can be suspended and cooperated with the hanging piece (96).

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