Garbage can with garbage bag convenient to replace

Abstract

The utility model discloses a garbage can with garbage bags convenient to replace. The garbage can comprises a can body and a can cover. The barrel cover comprises an assembling part, a top cover and a cover plate; the assembling part is arranged on the barrel body, and the top cover and the cover plate are rotationally connected with the assembling part; according to the garbage can, the limiting part is arranged on the assembling part, the positioning part matched with the limiting part is arranged on the top cover, and through arrangement and matching of the limiting part and the positioning part, when a user replaces a garbage bag, the position of the can cover can be easily fixed after the can cover is opened; only when the top cover and the cover plate are in the open state at the same time, the can opening can be opened for a user to replace a garbage bag, and the cover plate can be stopped by the top cover to return to the closed state through cooperation of the limiting part and the positioning part; therefore, when a user replaces the garbage bag, the situation that the cover plate is automatically closed and the replacement of the garbage bag is influenced is avoided; therefore, when the garbage can is used, tedious operation steps are avoided, the replacement process is simplified, the garbage bag is convenient to replace, and user operation is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of daily necessities production and manufacturing, and more specifically, to a garbage can which is convenient for replacing garbage bags. Background Art

[0002] As the basic infrastructure for garbage disposal, trash cans are widely used in various environments such as homes, offices, and public places. In order to improve the convenience of using trash cans and avoid unsanitary situations where users' hands touch the trash cans when discarding garbage, many trash cans that can be opened without hands have been developed, such as intelligent trash cans that can be opened by induction and trash cans that can be opened by foot. However, there are still many inconveniences in the process of changing trash bags in traditional trash cans.

[0003] For example, although the intelligent trash can with induction lid opening can automatically open the lid, for the convenience of users, such trash cans are usually set to automatically close the lid within a certain period of time after the lid is opened by induction without the need for user operation again; and in order to make the trash can have a longer battery life, the opening time of such trash cans is usually limited, but the time used by users when changing trash bags is uncertain; therefore, when users change trash bags, it is very likely that the lid will close automatically, requiring users to re-open the lid by induction, which not only makes it more troublesome to use, but also it is very easy for the lid to come into contact with the user's hand when it is automatically closed, which may cause unsanitary problems.

[0004] When changing the garbage bag of a pedal-type trash can, the user is required to keep stepping on the pedal to keep the lid open, which makes the process of changing the garbage bag relatively cumbersome and laborious, especially when there is not enough space or support. The user may face problems such as unstable standing and inconvenient operation.

[0005] Therefore, developing a trash can that is easy for users to operate and easy to replace trash bags has become a current problem that needs to be solved urgently. Utility Model Content

[0006] The utility model overcomes the shortcomings of the prior art and provides a garbage bin which is convenient for users to operate, and the replacement of garbage bags is more convenient and the garbage bag replacement process is more hygienic.

[0007] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0008] A trash can convenient for replacing trash bags comprises a trash body provided with a waste space, a trash opening for communicating the waste space with the outside is provided on the top of the trash body, and a trash cover is provided at the trash opening; the trash cover comprises an assembly part, a top cover and a cover plate; the assembly part is provided on the trash body, the top cover is rotatably connected with the assembly part, so that the top cover is covered at the trash opening to close the trash opening or open the trash opening; a trash opening is provided on the top cover to communicate the waste space closed by the top cover with the outside; the cover plate is rotatably connected with the assembly part, so that the cover plate is covered at the trash opening to close the trash opening or open the trash opening; a limiting part is provided on the assembly part, a positioning part cooperating with the limiting part is provided on the top cover, and the limiting part and the positioning part cooperate to limit the position of the top cover.

[0009] Furthermore, the assembly part is arranged on one side of the barrel body; the assembly part includes an assembly shaft, the top cover and the cover plate are rotatably connected to the assembly shaft, and the opening and closing directions of the top cover and the cover plate are consistent.

[0010] Furthermore, rotating shafts are provided at both ends of the assembly shaft, an installation space matching the assembly shaft is provided on the top cover, and installation holes matching the rotating shaft are provided on the surfaces at both ends of the installation space; the positioning portion includes positioning columns provided on the surfaces at both ends of the installation space, and the limiting portion includes limiting holes provided at both ends of the assembly shaft, and after the top cover is opened, the positioning columns are located in the limiting holes to limit the position of the top cover.

[0011] Furthermore, receiving holes are provided at both ends of the assembly shaft, and after the top cover is closed, the positioning column is located in the receiving hole to limit the position of the top cover; the positioning column itself or the surface of the positioning column provided at both ends of the installation space is made of elastic material.

[0012] Furthermore, a magnet is arranged at a position of the top cover corresponding to the cover plate, and the cover plate is made of metal that can be attracted by the magnet.

[0013] Furthermore, a circle of baffles is arranged around the inner wall of the waste opening, and the baffles are located in the same plane at all places; the magnets arranged on the top cover are located on the baffles.

[0014] Furthermore, a driving motor is arranged in the assembly shaft, and a connecting block is arranged on the motor shaft of the driving motor; a connecting plate is arranged on the cover plate, and the connecting plate is connected to the connecting block; a matching hole is also arranged on the connecting plate to match with the rotating shaft; a control panel for controlling the operation of the driving motor is arranged on the barrel body or the barrel cover.

[0015] Furthermore, an assembly rod is provided in the assembly shaft, and a torsion spring is sleeved on the assembly rod; the two ends of the torsion spring respectively abut against the connecting plate and the assembly shaft, exerting a resetting force on the cover plate; the axial directions of the assembly rod, torsion spring, assembly shaft and the motor shaft of the drive motor are all consistent.

[0016] Furthermore, the assembly portion includes a battery compartment for assembling a power source, and a circuit connected to the drive motor is arranged in the battery compartment.

[0017] Furthermore, an extension plate extending upward is distributed at the edge of the barrel opening; a matching groove is provided on the lower surface of the top cover, and when the top cover is closed on the barrel opening to close the barrel opening, the extension plate is located in the matching groove.

[0018] Beneficial effects: In the utility model, the top cover and the cover plate are rotatably connected to the assembly part, so as to realize closing or opening of the barrel opening and the waste opening; when the user places a garbage bag in the waste space, the top cover is closed on the barrel opening to close the barrel opening, so that a part of the garbage bag can be clamped between the top cover and the barrel body, so that the garbage bag is more stably placed in the product; through the setting of the waste opening, after the cover plate is opened, garbage can be put into the garbage bag in the product through the waste opening.

[0019] In the utility model, through the setting and cooperation of the limiting part and the positioning part, the user can easily fix the position of the bucket cover after opening the bucket cover when replacing the garbage bag; at the same time, only when the top cover and the cover plate are in the open state at the same time, the bucket opening can be opened for the user to replace the garbage bag, and the cooperation of the limiting part and the positioning part can block the cover plate through the top cover to reset to the closed state; thereby, when the user replaces the garbage bag, the cover plate will not be automatically closed, affecting the replacement of the garbage bag; at the same time, it also avoids as much as possible the unsanitary situation caused by the contact between the bucket cover and the user's hand when the user replaces the garbage bag; the utility model avoids cumbersome operating steps when in use, simplifies the replacement process, makes the replacement of the garbage bag more convenient, and is easy for the user to operate.

[0020] In the utility model, the assembly part is arranged on one side of the barrel body, which can optimize the overall spatial layout of the trash can, so that the trash can can provide sufficient space for the rotation of the top cover and the cover plate while maintaining sufficient space for discarded items; at the same time, the opening and closing directions of the top cover and the cover plate are consistent, and then after the top cover and the cover plate are opened, they are on the same side of the barrel body, providing sufficient space for users to replace garbage bags, making the replacement of garbage bags more convenient and easy for users to operate.

[0021] In the utility model, the rotational connection between the top cover and the assembly part is realized by the cooperation of the rotating shaft and the mounting hole; at the same time, a mounting space matching the assembly shaft is provided on the top cover, so that the connection between the top cover and the assembly shaft is tighter and more stable.

[0022] In the utility model, through the cooperation between the positioning column and the limiting hole, when the top cover is opened, the positioning column will accurately enter the limiting hole, thereby limiting the position of the top cover; this design not only ensures the stability of the top cover in the open state, but also avoids accidental closing or shaking of the top cover during operation.

[0023] In the utility model, by setting the receiving hole, the positioning column will enter the receiving hole when the top cover is closed, thereby further limiting the position of the top cover; this design not only enhances the connection stability between the top cover and the assembly axis, but also makes the trash can more stable in the closed state.

[0024] In the utility model, the positioning column itself and / or the surfaces of the positioning columns arranged at both ends of the installation space are made of elastic materials; thereby, when the top cover is switched to an open or closed state, the two can be deformed to a certain extent through their own elasticity, thereby enabling the positioning column to switch back and forth between the limiting hole and the accommodating hole to achieve the positioning of the top cover.

[0025] In the utility model, the top cover and the cover plate can be more closely matched by the attraction of the magnet, thereby enhancing the overall stability; at the same time, the sealing performance of the trash can is improved after the top cover and the cover plate are closed, which helps to prevent odor from leaking out and keep the indoor environment fresh.

[0026] In the utility model, by setting the baffle, the top cover is in contact with the upper surface of the baffle when in the closed state; thereby, the top cover position can be blocked by the baffle when the top cover is closed, thereby avoiding as much as possible the situation in which the cover moves too much and causes poor sealing of the trash can; at the same time, the magnet provided on the top cover is on the baffle, which can make the top cover and the cover plate fit more closely.

[0027] In the utility model, by providing a driving motor and a control panel, the user can control the opening and closing of the cover through simple operations, thereby realizing the automatic operation of the trash can, greatly simplifying the user's operating steps and improving the convenience of use.

[0028] In the utility model, when the cover is opened while the driving motor is working continuously, the torsion spring accumulates potential energy; when the driving motor stops or reverses, the torsion spring releases the potential energy and pushes the cover back to the closed position; the axial directions of the assembly rod, torsion spring, assembly shaft and the motor shaft of the driving motor are all consistent, so that the opening and closing directions of the top cover and the cover are consistent.

[0029] In the utility model, when the driving motor continues to work to open the cover, the driving motor will continue to provide the cover with a force to support its opening so as to keep the cover in an open state; when the top cover is opened and is tightly fitted with the cover through the attraction of the magnet, the driving motor continues to provide the cover with a force to support its opening through the attraction of the magnet, thereby improving the stability of the top cover after opening for a certain period of time.

[0030] In the utility model, the battery compartment and the circuit are arranged to provide the driving motor with energy to support its work.

[0031] In the utility model, through the cooperation of the extension plate and the matching groove, the top cover can be more tightly and firmly matched with the barrel body when in the closed state; at the same time, the baffle can support the bag opening of the garbage bag, making it more convenient to replace a new garbage bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural diagram of the entire utility model.

[0033] Figure 2 This is a structural diagram of the utility model in a cover open state.

[0034] Figure 3 This is a structural diagram of the utility model in a state where the top cover and the cover plate are opened.

[0035] Figure 4 This is a structural diagram of the assembly side.

[0036] Figure 5 This is the structural diagram of the other side of the assembly part.

[0037] Figure 6 This is a structural diagram of the upper surface of the top cover.

[0038] Figure 7 This is a structural diagram of the lower surface of the top cover.

[0039] Figure 8 This is the structural diagram of the cover.

[0040] Numbers in the figure:

[0041] 1. Barrel body; 2. Barrel cover; 3. Assembly part; 4. Top cover; 5. Cover plate; 6. Control panel; 11. Waste space; 12. Barrel opening; 13. Extension plate; 31. Limiting part; 32. Assembly shaft; 33. Rotating shaft; 34. Accommodating hole; 35. Driving motor; 36. Assembly rod; 37. Torsion spring; 38. Battery compartment; 41. Waste opening; 42. Positioning part; 43. Installation space; 44. Installation hole; 45. Magnet; 46. Baffle; 47. Matching groove; 51. Connecting plate; 52. Matching hole; 311. Limiting hole; 351. Connecting block; 421. Positioning column. DETAILED DESCRIPTION

[0042] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments are only specific descriptions of the present invention, and their purpose is to allow those skilled in the art to better understand the technical solution of the present invention, and should not be regarded as limiting the present invention.

[0043] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0044] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Example: Figure 1-8 As shown, a trash can convenient for replacing trash bags comprises a barrel body 1 provided with a waste space 11, a barrel opening 12 for communicating the waste space 11 with the outside is provided on the top of the barrel body 1, and a barrel cover 2 is provided at the barrel opening 12; the barrel cover 2 comprises an assembly part 3, a top cover 4 and a cover plate 5; the assembly part 3 is provided on the barrel body 1, and the top cover 4 is rotatably connected with the assembly part 3, so that the top cover 4 covers the barrel opening 12 to close the barrel opening 12 or open the barrel opening 12; a waste opening 41 is provided on the top cover 4 to communicate the waste space 11 closed by the top cover 4 with the outside; the cover plate 5 is rotatably connected with the assembly part 3, so that the cover plate 5 covers the waste opening 41 to close the waste opening 41 or open the waste opening 41; a limiting part 31 is provided on the assembly part 3, and a positioning part 42 cooperating with the limiting part 31 is provided on the top cover 4, and the limiting part 31 and The positioning portion 42 cooperates to limit the position of the top cover 4; through the setting and cooperation of the limiting portion 31 and the positioning portion 42, the user can easily fix the position of the bucket cover 2 after opening the bucket cover 2 when replacing the garbage bag; at the same time, only when the top cover 4 and the cover plate 5 are in the open state at the same time, the bucket opening 12 can be opened for the user to replace the garbage bag, and the cooperation of the limiting portion 31 and the positioning portion 42 can block the cover plate 5 from returning to the closed state through the top cover 4; thereby, when the user replaces the garbage bag, the cover plate 5 will not automatically close, affecting the replacement of the garbage bag; at the same time, it also avoids as much as possible the unsanitary situation caused by the bucket cover 2 contacting the user's hand when the user replaces the garbage bag; the utility model avoids cumbersome operating steps when in use, simplifies the replacement process, and makes the replacement of the garbage bag more convenient and easy for users to operate.

[0046] In this embodiment, the assembly portion 3 is detachably assembled on the barrel body 1 ; in some other embodiments, the assembly portion 3 may also be fixedly connected to the barrel body 1 .

[0047] In the utility model, the top cover 4 and the cover plate 5 are rotatably connected to the assembly part 3, so as to realize closing or opening of the barrel opening 12 and the waste opening 41; when the user places a garbage bag in the waste space 11, the top cover 4 covers the barrel opening 12 to close the barrel opening 12, so that a part of the garbage bag can be clamped between the top cover 4 and the barrel body 1, so that the garbage bag is more stably placed in the product; through the setting of the waste opening 41, after the cover plate 5 is opened, garbage can be put into the garbage bag in the product through the waste opening 41.

[0048] In the present invention, the assembly part 3 is arranged on one side of the barrel body 1, which can optimize the overall spatial layout of the trash can, so that the trash can can provide sufficient space for the rotation of the top cover 4 and the cover plate 5 while maintaining sufficient waste space 11; the assembly part 3 includes an assembly shaft 32, and the top cover 4 and the cover plate 5 are both rotatably connected to the assembly shaft 32, wherein the same side corresponding to the top cover 4 and the cover plate 5 is rotatably connected to the assembly shaft 32; and the opening and closing directions of the top cover 4 and the cover plate 5 are consistent, and then after the top cover 4 and the cover plate 5 are opened, they are on the same side of the barrel body 1, providing sufficient space for users to replace garbage bags, making the replacement of garbage bags more convenient and easy for users to operate.

[0049] In the present invention, rotating shafts 33 are provided at both ends of the assembly shaft 32, and an installation space 43 matching the assembly shaft 32 is provided on the top cover 4, so that the connection between the top cover 4 and the assembly shaft 32 is tighter and more stable; mounting holes 44 matching the rotating shaft 33 are provided on the surfaces at both ends of the installation space 43, and the rotational connection between the top cover 4 and the assembly part 3 is realized through the cooperation of the rotating shaft 33 and the mounting holes 44; the positioning part 42 includes positioning columns 421 arranged on the surfaces at both ends of the installation space 43, and the limiting part 31 includes limiting holes 311 arranged at both ends of the assembly shaft 32. After the top cover 4 is opened, the positioning columns 421 are in the limiting holes 311 to limit the position of the top cover 4; this design not only ensures the stability of the top cover 4 in the open state, but also avoids accidental closing or shaking of the top cover 4 during operation.

[0050] In the utility model, receiving holes 34 are further provided at both ends of the assembly shaft 32. After the top cover 4 is closed, the positioning column 421 is located in the receiving hole 34 to limit the position of the top cover 4. Through the setting of the receiving hole 34, when the top cover 4 is closed, the positioning column 421 will enter the receiving hole 34, thereby further limiting the position of the top cover 4. This design not only enhances the connection stability between the top cover 4 and the assembly shaft 32, but also makes the trash can more stable in the closed state.

[0051] In the utility model, the positioning column 421 itself and / or the surfaces of the positioning column 421 arranged at both ends of the installation space 43 are made of elastic material; thereby, when the top cover 4 is switched to the open or closed state, the two can be deformed to a certain extent through their own elasticity, thereby enabling the positioning column 421 to switch back and forth between the limiting hole 311 and the accommodating hole 34 to realize the positioning of the top cover 4.

[0052] In this embodiment, the top cover 4 is made of plastic, and the positioning column 421 and the top cover 4 are integrally formed; further, the end of the positioning column 421 is rounded; thereby, the positioning column 421 can switch back and forth between the limiting hole 311 and the accommodating hole 34; in some other ways, the positioning column 421 can also be made of rubber, a material that has a certain strength and can be deformed to a certain extent.

[0053] In some other embodiments, the positioning column 421 may be replaced by a device such as a telescopic positioning bead; or, may be replaced by a device such as a micro cylinder.

[0054] In the present invention, the top cover 4 is provided with a magnet 45 at the position corresponding to the cover plate 5, and the cover plate 5 is made of metal that can be attracted by the magnet 45; through the attraction of the magnet 45, the top cover 4 and the cover plate 5 can be more closely matched to enhance the overall stability; at the same time, the sealing of the trash can is improved after the top cover 4 and the cover plate 5 are covered, which helps to prevent odor from leaking out and keep the indoor environment fresh.

[0055] In some other embodiments, a magnet 45 may also be provided on the cover plate 5, and the position of the magnet 45 corresponds to the position of the magnet 45 provided on the top cover 4; or, a metal that can be attracted by the magnet 45 is provided in the area of ​​the cover plate 5 corresponding to the magnet 45, thereby further improving the close fit between the top cover 4 and the cover plate 5.

[0056] In the present invention, a circle of baffles 46 is arranged around the inner wall of the waste opening 41, and the baffles 46 are in the same plane at all places; the magnets 45 arranged on the top cover 4 are on the baffles 46; through the arrangement of the baffles 46, the top cover 4 abuts against the upper surface of the baffles 46 when it is in a closed state; thereby, the baffles 46 can block the position of the top cover 4 when it is closed, and avoid as much as possible the situation that the cover plate 5 moves too much and causes poor sealing of the trash can; at the same time, the magnets 45 arranged on the top cover 4 are on the baffles 46, which can make the top cover 4 and the cover plate 5 fit more closely.

[0057] In the utility model, a driving motor 35 is arranged in the assembly shaft 32, and a connecting block 351 is arranged on the motor shaft of the driving motor 35; a connecting plate 51 is arranged on the cover plate 5, and the connecting plate 51 is connected to the connecting block 351; a control panel 6 for controlling the operation of the driving motor 35 is arranged on the barrel body 1 or the barrel cover 2; by setting the driving motor 35 and the control panel 6, the user can control the opening and closing of the cover plate 5 through simple operation, thereby realizing the automatic operation of the trash can, greatly simplifying the user's operating steps, and improving the convenience of use.

[0058] In this embodiment, the control panel 6 is disposed on the top cover 4, so as to facilitate people's operation.

[0059] In the present invention, a matching hole 52 is further provided on the connecting plate 51 to match with the rotating shaft 33 , thereby realizing the rotation connection between the cover plate 5 and the assembly part 3 .

[0060] In the utility model, an assembly rod 36 is also arranged in the assembly shaft 32, and a torsion spring 37 is sleeved on the assembly rod 36; the two ends of the torsion spring 37 are respectively abutted against the connecting plate 51 and the assembly shaft 32; or, the two ends of the torsion spring 37 are respectively connected to the connecting plate 51 and the assembly shaft 32; a resetting force is applied to the cover plate 5 by the torsion spring 37; when the cover plate 5 is opened while the drive motor 35 continues to work, the torsion spring 37 accumulates potential energy; when the drive motor 35 stops or reverses, the torsion spring 37 releases the potential energy and pushes the cover plate 5 back to the closed position; the axial directions of the assembly rod 36, the torsion spring 37, the assembly shaft 32 and the motor shaft of the drive motor 35 are all consistent, so that the opening and closing directions of the top cover 4 and the cover plate 5 are consistent.

[0061] In the present invention, when the driving motor 35 continues to work to open the cover 5, the driving motor 35 will continue to provide the cover 5 with a force to support its opening so as to keep the cover 5 in an open state; when the top cover 4 is opened and is tightly fitted with the cover 5 through the attraction of the magnet 45, the driving motor 35 provides the cover 5 with a force to support its opening through the attraction of the magnet 45, thereby improving the stability of the top cover 4 after opening for a certain period of time.

[0062] It is worth mentioning that the size of the positioning column 421 matches the size of the limiting hole 311 and the receiving hole 34; when the positioning column 421 enters the limiting hole 311 and the receiving hole 34, the limiting force generated by the positioning column 421 in cooperation with the limiting hole 311 and the receiving hole 34 is greater than the restoring force provided to the cover plate 5 by the torsion spring 37; thereby preventing the cover plate 5 from driving the top cover 4 along when it moves, which would affect the use of the utility model.

[0063] In the present invention, the assembly part 3 includes a battery compartment 38 for assembling a power source, and a circuit connected to the drive motor 35 is arranged in the battery compartment 38. The battery compartment 38 and the circuit are arranged to provide the drive motor 35 with energy to support its work.

[0064] In the utility model, an extension plate 13 extending upward is distributed at the edge of the barrel opening 12; a matching groove 47 is provided on the lower surface of the top cover 4, and when the top cover 4 is covered on the barrel opening 12 to close the barrel opening 12, the extension plate 13 is in the matching groove 47; through the cooperation between the extension plate 13 and the matching groove 47, the top cover 4 is more tightly and firmly matched with the barrel body 1 when in the closed state; at the same time, the baffle 46 can play a role in supporting the bag mouth of the garbage bag, making it more convenient to replace a new garbage bag.

[0065] It is worth noting that other technical solutions of the present invention belong to the prior art and will not be described in detail.

[0066] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the concept of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A trash can for conveniently replacing trash bags, comprising a barrel body provided with a waste space, a barrel opening for connecting the waste space with the outside is provided on the top of the barrel body, and a barrel cover is provided at the barrel opening; characterized in that: The barrel cover comprises an assembly part, a top cover and a cover plate; the assembly part is arranged on the barrel body, the top cover is rotatably connected with the assembly part, so that the top cover is covered at the barrel opening to close the barrel opening or open the barrel opening; a waste opening is arranged on the top cover so that the waste space closed by the top cover is communicated with the outside; the cover plate is rotatably connected with the assembly part, so that the cover plate is covered at the waste opening to close the waste opening or open the waste opening; a limiting part is arranged on the assembly part, and a positioning part cooperating with the limiting part is arranged on the top cover, and the limiting part and the positioning part cooperate to limit the position of the top cover.

2. A trash can for convenient replacement of trash bags according to claim 1, characterized in that: The assembly part is arranged on one side of the barrel body; the assembly part comprises an assembly shaft, the top cover and the cover plate are both rotatably connected to the assembly shaft, and the opening and closing directions of the top cover and the cover plate are consistent.

3. A trash can for convenient replacement of trash bags according to claim 2, characterized in that: A rotating shaft is arranged at both ends of the assembly shaft, an installation space matching the assembly shaft is arranged on the top cover, and installation holes matching the rotating shaft are arranged on the surfaces at both ends of the installation space; the positioning part includes positioning columns arranged on the surfaces at both ends of the installation space, and the limiting part includes limiting holes arranged at both ends of the assembly shaft. After the top cover is opened, the positioning columns are located in the limiting holes to limit the position of the top cover.

4. A trash can for convenient replacement of trash bags according to claim 3, characterized in that: Both ends of the assembly shaft are also provided with receiving holes, and after the top cover is closed, the positioning column is located in the receiving hole to limit the position of the top cover; the positioning column itself and / or the surface of the positioning column arranged at both ends of the installation space are made of elastic material.

5. A trash can for convenient replacement of trash bags according to claim 3, characterized in that: A magnet is arranged at a position of the top cover corresponding to the cover plate, and the cover plate is made of metal that can be attracted by the magnet.

6. A trash can for convenient replacement of trash bags according to claim 5, characterized in that: A circle of baffles is arranged around the inner wall of the waste opening, and each part of the baffles is in the same plane; the magnet arranged on the top cover is located on the baffles.

7. A trash can for convenient replacement of trash bags according to claim 5, characterized in that: A driving motor is arranged in the assembly shaft, and a connecting block is arranged on the motor shaft of the driving motor; a connecting plate is arranged on the cover plate, and the connecting plate is connected to the connecting block; a matching hole is also arranged on the connecting plate to match the rotating shaft; a control panel for controlling the operation of the driving motor is arranged on the barrel body or the barrel cover.

8. A trash can for convenient replacement of trash bags according to claim 7, characterized in that: An assembly rod is also arranged in the assembly shaft, and a torsion spring is sleeved on the assembly rod; the two ends of the torsion spring are respectively abutted against the connecting plate and the assembly shaft to apply a resetting force to the cover plate; the axial directions of the assembly rod, torsion spring, assembly shaft and the motor shaft of the driving motor are all consistent.

9. The trash can for convenient replacement of trash bags according to claim 7, characterized in that: The assembly part comprises a battery compartment for assembling a power source, and a circuit connected to the driving motor is arranged in the battery compartment.

10. The trash can for convenient replacement of trash bags according to claim 2, characterized in that: An extension plate extending upward is distributed at the edge of the barrel opening; a matching groove is arranged on the lower surface of the top cover, and when the top cover is closed on the barrel opening to close the barrel opening, the extension plate is located in the matching groove.

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