Button type can cover assembling structure of stacked garbage can

Abstract

The button type can cover assembling structure comprises can bodies, openings are formed in the upper ends of the can bodies, the upper ends of the can bodies are wide, the lower ends of the can bodies are narrow, the can bodies can be stacked in a sleeved mode, and can covers and lock covers are arranged at the opening ends of the can bodies. The can cover and the lock cover are coaxially hinged to the open end of the can body, the lock cover covers part of the can cover, and a covering area is formed on the can cover; a button is arranged in the coverage area, push rods are arranged at the two ends of the button respectively, one end of each push rod is connected with the button in a matched mode, and a limiting part is arranged at the other end of each push rod. A limiting piece matched with the limiting part is arranged at the position, corresponding to the limiting part, of the lock cover; a button hole is further formed in the position, corresponding to the button, of the lock cover. The push rod is driven by pressing the button, so that the limiting piece is separated from the limiting part, the limiting piece is buckled into the limiting part to achieve buckling and locking of the limiting piece and the limiting part, and then separation or locking of the lock cover and the can cover is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of trash cans, and particularly relates to a button-type lid assembly structure for stackable trash cans. Background Art

[0002] The lid of a flip-top trash can needs to be rotatably connected to the body. When trash can products are transported in batches, it is basically impossible to transport them in a fully assembled finished product form. The transportation volume is too large, resulting in too high transportation costs. Most of them are transported in the way that "several trash can bodies are stacked and nested, and several lids are centrally placed in the topmost trash can body", that is, the semi-finished trash can components need to be assembled again after being transported to the destination. Finally, whether it is assembled by the salesperson or the user himself, due to the need for secondary assembly, the convenience and ease of learning of the assembly between the lid and the body are particularly important for product design.

[0003] In order to achieve the convenient assembly of the rotating structure for the lids and bodies of existing flip-top trash cans that need to be assembled, generally, a cylindrical clamping block and a corresponding clamping hole are set to form a rotating engagement. To ensure the structural strength, the clamping blocks and clamping holes of some trash cans are respectively arranged in the non-elastic areas of the barrel head and the body, which causes users to need to apply a very large amount of force to press the clamping block into the clamping hole during installation, resulting in extremely poor user experience, and the production accuracy requirements for the size of the clamping block are extremely high. Once the size of the clamping block is too large, it is impossible to install successfully, and if the size of the clamping block is too small, it is easy to loosen and fall out;

[0004] For another part of trash cans, in order to avoid the problem of too high installation difficulty, a thin sheet-like structure or C-shaped buckle that can undergo elastic deformation is additionally provided, and then the clamping block or clamping hole is arranged on the sheet-like structure, or the C-shaped buckle is used as the clamping and fixing structure. When the user applies a little force during installation, the sheet-like structure or C-shaped buckle will undergo elastic deformation and then smoothly form a rotating engagement. However, as the main stress structures during flipping, the clamping block and clamping hole are significantly weaker in strength, and frequent flipping is likely to cause them to deform or break, resulting in the lid being easily loosened from the body or unable to flip normally.

[0005] In summary, the inventor designed a rear flip-top trash can with ultra-fast splicing, a utility model patent with the application number 202320718811X, including a large lid and a small lock lid, and there are matching elastic clamping parts and clamped parts between the two; the elastic clamping part is buckled on the clamped part to completely lock the large lid and the small lock lid. However, the elastic clamping part and the clamped part may be not smooth when being buckled, and manual adjustment needs to be carried out according to their matching structures during manual operation, which is rather inconvenient and affects the user experience. Therefore, a direct and simple operation method is needed to realize the separation and locking of the lid and the lock lid. Summary of the Invention

[0006] In view of the problems in the related art, the present utility model proposes a button-type barrel cover assembly structure for stacked trash cans. By pressing a button to drive a push rod, the push rod pushes a limiting member, causing the limiting member to separate from the limiting portion, and snapping the limiting member into the limiting portion to achieve the snap locking of the two, thereby realizing the locking and unlocking or locking of the lid and the barrel cover.

[0007] The present utility model is implemented as follows:

[0008] A button-type barrel cover assembly structure for stacked trash cans, including a barrel body with an opening at the upper end. The barrel body is wider at the top and narrower at the bottom, and a plurality of the barrel bodies can be stacked and nested. The opening end of the barrel body is provided with a barrel cover adapted to its size, and a lid lock is further provided on one side of the barrel cover close to the inside of the barrel body;

[0009] The barrel cover and the lid lock are coaxially hinged to the opening end of the barrel body. The lid lock covers part of the barrel cover, forming a covered area on the barrel cover. A button is provided in the covered area. Push rods are respectively provided on both sides of the button in the pressing direction. One end of the push rod is cooperatively connected with the button. Along the extending direction of the other end of the push rod towards the edge of the barrel cover, a limiting portion is provided, and the push rod extends into the limiting portion. The limiting portion has a bayonet, and the bayonet faces the edge direction of the barrel cover;

[0010] At a position corresponding to the limiting portion on the lid lock, a limiting member adapted to the limiting portion is provided. An elastic member is provided inside the limiting member, and the limiting member is elastically connected to the edge of the lid lock through the elastic member. The limiting member is snapped into the limiting portion by the bayonet and abuts against the push rod. A button hole is further provided at a position corresponding to the button on the lid lock;

[0011] When the limiting member is fastened inside the limiting portion, the barrel cover and the lid lock are combined and locked. The movement of the push rod is driven by the button. Press the button to make it press down and keep the pressed state. The push rod moves towards the limiting portion and encroaches on the limiting portion. The limiting member is pushed out of the limiting portion, and the barrel cover and the lid lock can be disassembled.

[0012] Preferably, a button groove is provided in the covered area of the barrel cover. The button is arranged in the button groove. Both ends of the button groove are connected with push grooves. The push rods are located in the push grooves. The end of the push groove far away from the button groove is communicated with the limiting portion.

[0013] Specifically, the button groove is a rectangular structure, and both ends thereof are communicated with the push grooves. One end of the push rod can enter the button groove from the push groove and abut against the button; the other end of the push rod can enter the limiting portion from the push groove and abut against the limiting member.

[0014] Preferably, one side of the push rod in contact with the button is a first inclined surface, and one side of the button in contact with the push rod is a second inclined surface adapted to the first inclined surface; the button groove is communicated with the push groove, and the first inclined surface of the push rod passes through the button groove and is in mating contact with the second inclined surface of the button.

[0015] Specifically, when the button is pressed, relative movement is generated between the first inclined surface of the push rod and the second inclined surface of the button to drive the push rod to move towards the limiting part.

[0016] Preferably, a spring is provided between the button and the button groove, a protruding clamping part is further provided on the periphery of the button, and a clamping groove adapted to the clamping part is provided in the button groove, and the clamping groove is in mating contact with the clamping part.

[0017] Specifically, the clamping groove and the second inclined surface are located on different sides of the button groove. The button is fixed in the button groove by the elastic force of the spring and the limiting action of the clamping groove and the clamping part. When the button is pressed, the push rod can be pushed to move towards the limiting part; when the button is no longer pressed, due to the elastic force of the spring, the button automatically resets, and at the same time, under the pushing action of the two limiting parts, the push rod moves towards the button and resets.

[0018] Preferably, a limiting groove is provided in the lock cover, and the limiting part is arranged in the limiting groove; a baffle is provided in the limiting groove, and an elastic part is provided between the limiting part and the baffle.

[0019] Specifically, the elastic part abuts between the baffle and the limiting part, which can prevent the limiting part from moving out of the lock cover, and at the same time, always applies an elastic force towards the button to the limiting part. This can not only ensure that when the limiting part is in contact with the push rod, there is an overload elastic force to ensure the close contact between the button, the push rod and the limiting part; but also make the limiting part always extend towards the limiting part. When locking is required, the elastic part can be squeezed to directly snap and lock the limiting part into the limiting part.

[0020] Preferably, one end of the limiting groove is connected to the limiting part, and the other end is communicated with the outside of the lock cover.

[0021] Specifically, the limiting groove is communicated with the outside of the lock cover so that when the lock cover is attached to the barrel cover, the limiting part needs to be snapped into the limiting part. At this time, using the elastic force of the elastic part, the limiting part is pushed out partially towards the outside of the lock cover. After the limiting part is snapped into the limiting part, the elastic part then squeezes the limiting part towards the button direction to ensure the over-force state, and at the same time, the part of the limiting part protruding outside the lock cover will return into the lock cover.

[0022] Preferably, a partition is also fixedly covered on the limiting groove, and the limiting part is arranged in the limiting groove through the partition.

[0023] Specifically, the partition is provided to prevent the limiting member from popping out of the limiting groove during the engaging process and the reciprocating movement.

[0024] Preferably, one end of the limiting member in contact with the limiting portion is provided with a fastening portion, the fastening portion is an inclined surface structure inclined towards the side where the limiting groove is located, and the fastening portion relatively slides with the outer side of the limiting portion through its inclined surface structure, and is fastened into the limiting portion by pushing the elastic member.

[0025] Specifically, the inclined surface structure of the fastening portion facilitates the fastening portion of the limiting member to more easily enter the limiting portion when the limiting member moves towards the outside of the lock cover.

[0026] Preferably, a positioning frame is provided inside the lock cover, and a positioning member is provided at a corresponding position inside the barrel cover.

[0027] Specifically, since the barrel cover is larger than the lock cover, the engaging structure between the lock cover and the barrel cover needs to be accurately corresponding in position. By setting different areas inside the lock cover and using the positioning frame and the positioning member, when the barrel cover and the lock cover are connected, the position deviation can be avoided and misalignment can be prevented.

[0028] Preferably, a connecting portion is further provided on the side of the lock cover close to the inside of the barrel body, a linkage rod is provided on the connecting portion, a foot pedal is further provided at the bottom of the barrel body, one end of the linkage rod is connected to the lock cover through the connecting portion, and the other end is connected to the foot pedal. The lock cover is driven to flip by driving the linkage rod through the foot pedal.

[0029] Specifically, using the linkage rod to drive the lock cover can limit the rotation angle of the lock cover, preventing it from rotating to the rear side of the barrel body, while not affecting the rotation angle of the barrel cover, enabling the barrel cover to completely flip backward and hang down at the rear side of the barrel body, and there is a gap between the barrel cover and the barrel body.

[0030] When the lock cover and the barrel cover are connected and locked, the opening and closing of the barrel cover and the lock cover can be controlled by the foot pedal; when the lock cover and the barrel cover are separated, the barrel cover completely flips backward and hangs down at the rear side of the barrel body, saving the overall occupied space.

[0031] Compared with the prior art, the present utility model has the following beneficial effects:

[0032] The present utility model provides a button-type barrel cover assembly structure for a stackable trash can. The structure of the barrel body is wider at the top and narrower at the bottom, and can be stacked and nested. At the open end of the barrel body, there is a lock cover and a barrel cover hinged coaxially. Inside the area where the lock cover and the barrel cover are mutually buckled, there are a button, a push rod, a limiting part and a limiting piece. By pressing the button, the push rod is pushed, and the push rod pushes the limiting piece to realize the separation of the limiting piece from the limiting part. By buckling the limiting piece into the limiting part, the separation and buckling lock of the barrel cover and the lock cover are realized. Compared with the traditional clamping structure, this application uses a button to control the separation of the barrel cover and the lock cover, which can avoid the inefficiency during the clamping process. At the same time, through button control, the operation is more convenient and comfortable, improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the product of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0034] Figure 2 It is a schematic diagram of the linkage rod structure of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0035] Figure 3 It is a schematic diagram of the barrel cover connection of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0036] Figure 4 It is an exploded view of the barrel cover of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0037] Figure 5 It is a schematic diagram of the barrel cover structure of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0038] Figure 6 It is a schematic diagram of the internal connection of the lock cover of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0039] Figure 7 It is a schematic diagram of the lock cover structure of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0040] Figure 8 It is a schematic diagram of the button structure of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0041] Figure 9 It is a schematic diagram of the push rod structure of a button-type barrel cover assembly structure for a stackable trash can in an embodiment of the present utility model;

[0042] Figure 10Schematic diagram of the limiting member structure of a push-button type lid assembly structure for a stacked trash can in an embodiment of the present utility model.

[0043] Reference numerals:

[0044] 101, barrel body; 102, linkage rod; 103, foot pedal.

[0045] 201, lid; 202, limiting part; 203, button groove; 204, pushing groove; 205, clamping groove; 206, positioning member.

[0046] 301, push rod; 302, first inclined surface; 303, button; 304, second inclined surface; 305, clamping part; 306, spring.

[0047] 401, locking lid; 402, button hole; 403, connecting part; 404, limiting groove; 405, baffle; 406, partition; 407, positioning frame.

[0048] 501, limiting member; 502, fastening part; 503, elastic member. Detailed implementation manners

[0049] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0050] Embodiment

[0051] As Figures 1 to 10 , a push-button type lid assembly structure for a stacked trash can includes a barrel body 101 with an opening at the upper end. The barrel body 101 is wider at the upper part and narrower at the lower part, and a plurality of the barrel bodies 101 can be stacked and nested. A lid 201 adapted to the size of the opening is provided at the opening end of the barrel body 101, and a locking lid 401 is further provided on the side of the lid 201 close to the inside of the barrel body 101.

[0052] The lid 201 and the locking lid 401 are coaxially hinged to the opening end of the barrel body 101, and the locking lid 401 covers a part of the lid 201 to form a covering area on the lid 201.

[0053] Inside the covered area, there is a button 303 with a spring 306. On both sides of the button 303 in the pressing direction, there are push rods 301 respectively. One end of the push rod 301 is cooperatively connected with the button 303. Along the extending direction of the other end of the push rod 301 towards the edge of the bucket lid 201, there is a limiting part 202, and the push rod 301 extends into the limiting part 202; the limiting part 202 has a bayonet, and the bayonet faces the edge direction of the bucket lid 201;

[0054] At the position of the locking lid 401 corresponding to the limiting part 202, there is a limiting member 501 adapted to the limiting part 202; inside the limiting member 501, there is an elastic member 503, and it is elastically connected with the edge of the locking lid 401 through the elastic member 503. The limiting member 501 is buckled into the limiting part 202 by the bayonet and abuts against the push rod 301;

[0055] At the position of the locking lid 401 corresponding to the button 303, there is also a button hole 402, so that the button is exposed outside the locking lid for the user to perform a pressing operation;

[0056] When the limiting member 501 is buckled tightly inside the limiting part 202, the bucket lid 201 and the locking lid 401 are combined and locked; the movement of the push rod 301 is driven by the button 303. Press the button 303 to make it press down and keep the pressed state. The push rod 301 moves towards the limiting part 202 and occupies the limiting part 202. The limiting member 501 is pushed out of the limiting part 202, and the bucket lid and the locking lid can be disassembled.

[0057] On the side of the locking lid 401 close to the inside of the bucket body 101, there is also a connecting part 403. On the connecting part 403, there is a linkage rod 102. At the bottom of the bucket body 101, there is also a foot pedal 103. One end of the linkage rod 102 is connected to the locking lid 401 through the connecting part 403, and the other end is connected to the foot pedal 103. The foot pedal 103 drives the linkage rod 102 to drive the locking lid 401 to flip.

[0058] By using the linkage rod 102 to drive the locking lid 401, the locking lid 401 can form a target linkage relationship prior to the linkage rod 102 instead of the bucket lid 201, and at the same time, it does not affect the rotation angle of the bucket lid 201, so that the bucket lid 201 can be completely turned over backward and hang down at the rear side of the bucket body 101, and there is a gap between the bucket lid 201 and the bucket body 101.

[0059] When the locking lid 401 is connected and locked with the bucket lid 201, the foot pedal 103 can control the opening and closing of the bucket lid 201 and the locking lid 401; when the locking lid 401 is separated from the bucket lid 201, the bucket lid 201 is completely turned over backward and hangs down at the rear side of the bucket body 101, saving the overall occupied space.

[0060] A button slot 203 is provided in the covering area of the bucket lid 201. The button 303 is arranged in the button slot 203. Push slots 204 communicating with each other are provided on both sides of the button slot 203. The push rod 301 is located in the push slots 204. One end of the push slot 204 away from the button slot 203 communicates with the limiting part 202.

[0061] The button slot 203 is of a rectangular structure and communicates with the push slots 204 on both sides. One end of the push rod 301 can enter the button slot 203 from the push slot 204 and abut against the button 303; the other end of the push rod 301 can enter the limiting part 202 from the push slot 204 and abut against the limiting member 501.

[0062] One side of the push rod 301 in contact with the button 303 is the first inclined surface 302, and one side of the button 303 in contact with the push rod 301 is the second inclined surface 304 adapted to the first inclined surface 302; the button slot 203 communicates with the push slot 204, and the first inclined surface 302 of the push rod 301 passes through the button slot 203 and is in contact with the second inclined surface 304 of the button 303 in a matching manner.

[0063] When the button 303 is pressed, relative movement is generated between the first inclined surface 302 of the push rod 301 and the second inclined surface 304 of the button 303 to drive the push rod 301 to move towards the limiting part 202.

[0064] A spring 306 is provided in the button slot 203. The spring 306 keeps a tendency to push up the button 303. A protruding clamping part 305 is further provided on the periphery of the button 303. A clamping slot 205 adapted to the clamping part 305 is provided in the button slot 203, and the clamping slot 205 is in mating connection with the clamping part 305.

[0065] The clamping slot 205 and the second inclined surface 304 are located on different sides of the button slot 203. By using the elastic force of the spring 306 and the limiting effects of the clamping slot 205 and the clamping part 305, the button 303 is fixed in the button slot 203. When the button 303 is pressed, the push rod 301 can be pushed to move towards the limiting part 202; when the button 303 is no longer pressed, due to the elastic force of the spring 306, the button 303 automatically resets, and at the same time, under the pushing action of the limiting members 501 on both sides, the push rod 301 moves towards the button 303 and resets.

[0066] A limiting slot 404 is provided in the lock cover 401. The limiting member 501 is arranged in the limiting slot 404; a baffle 405 is provided in the limiting slot 404, and an elastic member 503 is provided between the limiting member 501 and the baffle 405.

[0067] The elastic member 503 abuts between the baffle 405 and the limiting member 501, which can prevent the limiting member 501 from moving out of the outside of the lock cover 401. At the same time, it always applies an elastic force to the limiting member 501 in the direction of the button 303. This can ensure that when the limiting member 501 abuts against the push rod 301, there is an overload elastic force, thus ensuring the tight abutment among the button 303, the push rod 301, and the limiting member 501. It can also make the limiting member 501 always extend towards the limiting portion 202. When locking is required, the elastic member 503 can be squeezed so that the limiting member 501 directly snaps and is stuck into the limiting portion 202.

[0068] One end of the limiting groove 404 is connected to the limiting portion 202, and the other end is connected to the outside of the lock cover 401.

[0069] The limiting groove 404 is communicated with the outside of the lock cover 401 so that when the lock cover 401 fits with the barrel cover 201, the limiting member 501 needs to be snapped into the limiting portion 202. At this time, using the elastic force of the elastic member 503, the limiting member 501 is pushed out partially towards the outside of the lock cover 401. After the limiting member 501 is stuck into the limiting portion 202, the elastic member 503 then squeezes the limiting member 501 in the direction of the button 303 to ensure an interference force state. At the same time, the part of the limiting member 501 protruding outside the lock cover 401 will return into the lock cover 401.

[0070] A partition 406 is also fixedly covered on the limiting groove 404, and the limiting member 501 is arranged in the limiting groove 404 through the partition 406.

[0071] The partition 406 is to prevent the limiting member 501 from popping out of the limiting groove 404 during the snapping process and the back-and-forth movement.

[0072] One end of the limiting member 501 that abuts against the limiting portion 202 is provided with a snapping portion 502. The snapping portion 502 is an inclined surface structure inclined towards the side where the limiting groove 404 is located. Through its inclined surface structure, the snapping portion 502 slides relative to the outside of the limiting portion 202 and snaps into the limiting portion 202 by pushing the elastic member 503.

[0073] The inclined surface structure of the snapping portion 502 facilitates the snapping portion 502 of the limiting member 501 to more easily enter the limiting portion 202 when the limiting member 501 moves towards the outside of the lock cover 401.

[0074] Specifically, the two limiting portions 202 of this embodiment are arranged in opposite directions and have a bayonet structure for the snapping portion 502 to enter. The bayonets of the two limiting portions face the left and right sides of the barrel cover respectively.

[0075] A positioning frame 407 is provided inside the lock cover 401, and a positioning member 206 is provided at the corresponding position inside the barrel cover 201.

[0076] Since the bucket lid 201 is larger than the lock lid 401, the engaging structure between the lock lid 401 and the bucket lid 201 needs to be accurately positioned relative to each other. Different areas are set inside the lock lid 401. Through the positioning frame 407 and the positioning member 206, when the bucket lid 201 and the lock lid 401 are joined, the position deviation can be avoided and misalignment can be prevented.

[0077] The present utility model provides an assembled structure of a push-button bucket lid 201 for a stackable trash can. The principle is as follows: when the button 303 is pressed, the second inclined surface 304 of the button 303 and the first inclined surface 302 of the push rod 301 move relative to each other, pushing the push rod 301 to move towards the limiting part 202. The push rod 301 then pushes the limiting member 501 out of the limiting part 202, and the bucket lid 201 and the lock lid 401 are separated; when the lock lid 401 and the bucket lid 201 are buckled together, through the inclined surface structure of the engaging part 502 of the limiting member 501 contacting and relatively moving with the limiting part 202, at the same time, the limiting member 501 squeezes the elastic member 503 towards the outside of the lock lid 401, so that the limiting member 501 is snapped into the limiting part 202, and then abuts against the push rod 301 under the action of the elastic member 503, realizing the buckling and locking of the bucket lid 201 and the lock lid 401.

[0078] According to the disclosure and teaching of the above specification, those skilled in the art of the present utility model can also make changes and modifications to the above embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the utility model should also fall within the protection scope of the claims of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.

Claims

1. A button-type lid assembly structure for stacking trash cans, comprising a barrel body with an opening at the upper end, the barrel body is wide at the top and narrow at the bottom, and a plurality of the barrel bodies can be stacked, the open end of the barrel body is provided with a barrel lid adapted to its size, and the barrel lid is also provided with a locking cover on one side close to the inside of the barrel body; characterized in that: The barrel cover and the lock cover are coaxially hinged to the open end of the barrel body, and the lock cover covers part of the barrel cover to form a covering area on the barrel cover; a button is provided in the covering area, and push rods are respectively provided on both sides of the button in the pressing direction, one end of the push rod is matched with the button, and a limiting part is provided along the extension direction of the other end of the push rod toward the edge of the barrel cover, and the push rod extends into the limiting part; the limiting part has a bayonet, and the bayonet faces the edge direction of the barrel cover; A position of the lock cover corresponding to the limiting part is provided with a limiting piece adapted to the limiting part; an elastic piece is provided inside the limiting piece, and elastically connected to the edge of the lock cover through the elastic piece, and the limiting piece is buckled into the limiting part by a bayonet and abuts against the push rod; a button hole is also provided at a position of the lock cover corresponding to the button; The limiting piece is buckled in the limiting part, and the barrel cover and the locking cover are locked together; the movement of the push rod is driven by the button, and the button is pressed down and maintained in the pressed down state, the push rod moves toward the limiting part and invades the limiting part, the limiting piece is pushed out of the limiting part, and the barrel cover and the locking cover can be disassembled.

2. The button-type lid assembly structure for stacked trash cans according to claim 1, characterized in that: The covering area of ​​the barrel cover is provided with a button groove, the button is arranged in the button groove, both ends of the button groove are connected with push grooves, the push rod is located in the push groove, and one end of the push groove away from the button groove is connected with the limiting part.

3. The button-type lid assembly structure for stacked trash cans according to claim 2, characterized in that: The side where the push rod connects to the button is a first inclined surface, and the side where the button connects to the push rod is a second inclined surface adapted to the first inclined surface; the button slot is connected to the push slot, and the first inclined surface of the push rod passes through the button slot and is matched with the second inclined surface of the button.

4. The button-type lid assembly structure for stacked trash cans according to claim 2, characterized in that: A spring is arranged between the button and the button slot, a protruding locking portion is arranged on the peripheral side of the button, a locking slot adapted to the locking portion is arranged in the button slot, and the locking slot is matched and connected with the locking portion.

5. The button-type lid assembly structure for stacked trash cans according to claim 1, characterized in that: A limiting groove is arranged in the lock cover, and the limiting member is arranged in the limiting groove; a baffle is arranged in the limiting groove, and an elastic member is arranged between the limiting member and the baffle.

6. The button-type lid assembly structure for stacked trash cans according to claim 5, characterized in that: One end of the limiting groove is connected to the limiting portion, and the other end is connected to the outside of the lock cover.

7. The button-type lid assembly structure for stacked trash cans according to claim 5, characterized in that: The limiting groove is also fixedly covered with a partition plate, and the limiting member is arranged in the limiting groove through the partition plate.

8. The button-type lid assembly structure for stacked trash cans according to claim 6, characterized in that: A buckling portion is provided at one end of the limiting member connected to the limiting portion, and the buckling portion is an inclined surface structure inclined toward the side where the limiting groove is located. The buckling portion slides relative to the outer side of the limiting portion through its inclined surface structure, and buckles into the limiting portion by pushing the elastic member.

9. The button-type lid assembly structure for stacked trash cans according to claim 1, characterized in that: A positioning frame is arranged in the lock cover, and a positioning piece is arranged at a position corresponding to the positioning frame in the barrel cover.

10. The button-type lid assembly structure for stacked trash cans according to claim 1, characterized in that: A connecting portion is also provided on one side of the lock cover close to the inside of the barrel body, a linkage rod is provided on the connecting portion, and a pedal is also provided at the bottom of the barrel body. One end of the linkage rod is connected to the lock cover through the connecting portion, and the other end is connected to the pedal. The linkage rod is driven by the pedal to drive the lock cover to flip.

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