CN113479520B - Bottom one-key control mechanism of garbage classification recycling device - Google Patents
Bottom one-key control mechanism of garbage classification recycling device Download PDFInfo
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- CN113479520B CN113479520B CN202110915834.5A CN202110915834A CN113479520B CN 113479520 B CN113479520 B CN 113479520B CN 202110915834 A CN202110915834 A CN 202110915834A CN 113479520 B CN113479520 B CN 113479520B
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- linkage
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- 230000007246 mechanism Effects 0.000 title claims abstract description 78
- 238000004064 recycling Methods 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000005457 optimization Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000000977 initiatory effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F1/16—Lids or covers
- B65F1/1615—Lids or covers with means for locking, fastening or permanently closing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F1/00—Refuse receptacles; Accessories therefor
- B65F1/14—Other constructional features; Accessories
- B65F2001/1653—Constructional features of lids or covers
- B65F2001/1676—Constructional features of lids or covers relating to means for sealing the lid or cover, e.g. against escaping odors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
- B65F2210/167—Sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65F—GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE
- B65F2210/00—Equipment of refuse receptacles
- B65F2210/176—Sorting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Refuse Receptacles (AREA)
Abstract
The invention relates to a bottom cover one-key control mechanism of a garbage sorting and recycling device, which mainly aims at the problem that garbage recycling units with control rods for controlling the opening or closing of the bottom covers are uniformly controlled when a plurality of garbage recycling units are used in parallel to realize sorting and recycling.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a bottom cover one-key control mechanism of a garbage classification recycling device.
Background
With the recent development of Chinese economy, garbage collection has become a focus of attention of the national, and people are increasingly aware that garbage is a misplaced resource. In garbage recycling, some garbage cans are provided with openings at the bottom for conveniently dumping garbage, but the problem of opening and closing of a bottom cover in the using process is a technical problem which is difficult to thoroughly solve, and particularly the problem of the prior art that the opening or closing of a plurality of parallel classified garbage recycling units is controlled at the same time is needed to be solved.
Disclosure of Invention
The invention provides a bottom cover one-key control mechanism of a garbage sorting and recycling device, which mainly aims at the problem that garbage recycling units with control rods for controlling the opening or closing of the bottom covers are uniformly controlled when a plurality of garbage recycling units are used in parallel to realize sorting and recycling.
The invention provides a bottom cover one-key control mechanism of a garbage classification recycling device, which comprises: the eccentric control mechanism is transversely arranged and is used for providing a rotation force for the longitudinal conduction mechanism in the transverse direction; at least 1 longitudinal conduction mechanism is arranged, and all the longitudinal conduction mechanisms are arranged below the eccentric control mechanism in parallel; the control rod touch mechanisms are arranged below the longitudinal conduction mechanisms and are in one-to-one correspondence with the longitudinal conduction mechanisms, and are used for touching control rods on all the garbage collection units, wherein the control rods are used for controlling the bottom covers to be opened or closed.
According to further optimization of the technical scheme, the eccentric control mechanism comprises a transmission connecting rod, a control handle and a plurality of driving wheels, wherein the control handle is vertically fixed in the middle of the transmission connecting rod, and the free end of the control handle penetrates through the shell of the garbage recycling integrated device.
According to the technical scheme, the driving wheel is fixed on the driving connecting rod through the power rotating shaft, and the power rotating shaft is positioned at a position outside the center point of the radius of the rotating wheel.
According to further optimization of the technical scheme, a square hole is formed in the center of the driving wheel, and a step hole for fixing a countersunk head screw is formed in the upper side face of the driving wheel, corresponding to the square hole; the transmission connecting rod is fixed on the upper side surface of the transmission wheel through a power rotating shaft.
According to further optimization of the technical scheme, the longitudinal conduction mechanism is a square power rod, and a thread groove matched with the countersunk head screw is formed in the top of the power rod; the power rod is arranged on the shell of the garbage collection integrated device through a bearing.
According to further optimization of the technical scheme, the pressing touch mechanism comprises a rotary driving plate and at least 1 linkage control mechanism, and the rotary driving plate is used for controlling the linkage control mechanism to drive the control rod to work.
According to further optimization of the technical scheme, square mounting holes matched with the power rod are formed in the middle of the rotary driving plate, at least 2 arc-shaped poking pieces are uniformly arranged on the circumference of the square mounting holes, and the thickness of each arc-shaped poking piece in the rotating direction of the power rod is gradually increased from front to back.
According to further optimization of the technical scheme, the linkage control mechanism comprises an L-shaped linkage rod and a support body arranged on the shell of the garbage recycling integrated device, the linkage rod is arranged in the support body through a support spring, a longitudinal rod of the linkage rod penetrates through the upper side wall of the support body to be matched with the rotary driving plate, and a transverse rod of the linkage rod penetrates through the side wall, close to one side of the garbage recycling unit, of the support body to be matched with a bottom cover control lever of the garbage recycling unit.
According to the technical scheme, the top of the longitudinal rod is an arc surface; and a buffer part is arranged on the linkage rod.
According to further optimization of the technical scheme, the free end of the transverse rod is provided with a through hole for the control rod to pass through, and the control rod is provided with a baffle matched with the through hole.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic cross-sectional view of a garbage recycling unit on which the technical scheme of the invention is applied;
FIG. 2 is a schematic diagram of a garbage classification recycling device according to the technical scheme of the invention;
FIG. 3 is a schematic cross-sectional view of a bottom cover one-key control mechanism of the garbage sorting and recycling device of the present invention;
FIG. 4 is a schematic structural view of an eccentric control mechanism in the technical scheme of the invention;
FIG. 5 is a schematic view of a rotary paddle according to the present disclosure;
fig. 6 is a schematic top view of a linkage rod according to the present invention.
Reference numerals:
1-a garbage classification and recovery device; 11-a housing; 12-an intelligent recognition device; 2-a garbage recovery unit; 21-a bottom cover; 22-an upper cover; 23-a latch control mechanism; 24-a first support; 25-a second support; 26-a joystick; 3-a transmission link; 31-a control handle; 32-a power spindle; 33-a driving wheel; 331-square hole; 4-countersunk head screws; 5-a power lever; 6-a rotary dial; 61-arc-shaped plectrum; 7-a linkage control mechanism; 71-linkage rod; 711-longitudinal bar; 712-transverse bar; 713-a through hole; 72-baffle; 73-supporting a spring; 74-support.
Detailed Description
The invention will be further described with reference to fig. 1-6.
Along with the implementation of the policy of garbage classification and recycling, people's consciousness of garbage recycling is more and more concentrated, but along with the promotion of garbage recycling, people find that garbage is manufactured while garbage is recycled, such as garbage bags, and besides obvious recycling of some plastics, paper shells and the like can be directly realized, many kitchen garbage and household garbage have no good recycling effect, such as people need to pour garbage into garbage cans from garbage bags when throwing kitchen garbage, and the whole process seems to be in a car turning scene, and the dumping experience is particularly poor. The inventor of the present invention has devised a garbage recycling device free of dumping garbage at the bottom of a garbage bag and a garbage truck matched with the garbage recycling device, a garbage recycling unit 2 with a bottom cover 21 capable of being opened and closed mechanically is arranged, the garbage recycling unit 2 is integrated into a garbage recycling device capable of being recycled in a classified manner, the garbage recycling unit 2 is shown in fig. 1, the bottom cover 21 is hinged at the bottom of the bin body, a rotation control mechanism of the bottom cover 21 is arranged at the hinge joint, a latch control mechanism 23 is arranged on one side of the bin body opposite to the rotation control mechanism so as to control the opening and closing of the bottom cover 21 under the action of the mutual cooperation of the rotation mechanism and the latch control mechanism 23 under the action of a control lever 26, and a special sealing mechanism is arranged between the bottom cover 21 and the bin body in order to avoid the liquid leakage problem of the garbage bin.
The operation of the individual control levers 26 is as follows: when a downward force is applied to the control rod 26, the control rod is simultaneously contacted with a buffer spring arranged in the first support body 24 and an initiating point of the lock catch control mechanism 23 arranged in the second support body 25, the lower end of the control rod 26 is not contacted with the initiating point of the rotation control mechanism, the initiating point of the lock catch control mechanism 23 is mainly controlled to move downwards, a clamping hook of the clamping plate 37 is driven to be separated from the bottom cover 21, and the control rod 26 starts to control the initiating point of the rotation control mechanism to move downwards to drive the gear of the bottom cover 21 to rotate when the clamping buckle is separated, so that the technical effect of opening the bottom cover 21 is realized.
As shown in fig. 2, the garbage collection unit 2 is integrated with the garbage classification and collection device 1, and is matched with the identified intelligent recognition device 12 and the external coming and collection unit control device, so as to realize that a plurality of garbage collection units 2 for classification and collection can be simultaneously closed after dumping garbage, or can simultaneously realize that each garbage collection unit 2 is simultaneously opened or closed when matched garbage collection vehicles are used, and a bottom cover 21 of the garbage classification and collection device 1 is provided with a key control mechanism inside the garbage classification and collection device, as shown in fig. 3, specifically comprising: an eccentric operation mechanism, a longitudinal direction conduction mechanism, and an operation lever 26 actuation mechanism, the eccentric operation mechanism being disposed laterally and being provided with a rotational force in a lateral direction by an externally applied force that is intended to uniformly open or close the bottom cover 21; at least 1 longitudinal conduction mechanism (specifically, according to the number of groups of the garbage collection units 2) is arranged, and all the longitudinal conduction mechanisms are arranged below the eccentric control mechanism in parallel; the control rod 26 triggering mechanisms are arranged below the longitudinal conduction mechanisms and are in one-to-one correspondence with the longitudinal conduction mechanisms, and are used for triggering the control rods 26 on all the garbage collection units 2 for controlling the bottom cover 21 to be opened or closed.
As shown in fig. 4, the eccentric control mechanism comprises a transmission connecting rod 3, a control handle 31 and a driving wheel 33, wherein the control handle 31 is vertically fixed at the middle part of the transmission connecting rod 3, and the free end of the control handle 31 passes through the shell of the garbage collection integrated device, so that the operation of a user is facilitated; the driving wheel 33 is fixed on the driving connecting rod 3 through a power rotating shaft 32, the power rotating shaft 32 is positioned at a position outside the center point of the radius of the rotating wheel, and when the driving connecting rod 3 moves left and right in the transverse direction through the design, the driving wheel 33 can be driven to rotate at the center position through the power rotating shaft 32. A square hole 331 is formed in the center of the driving wheel 33, and a step hole for fixing the countersunk head screw 4 is formed in the upper side surface of the driving wheel 33 corresponding to the square hole 331; the transmission connecting rod 3 is fixed on the upper side surface of the transmission wheel 33 through the power rotating shaft 32, the upper side surface of the transmission wheel 33 can be kept flush through the step hole, and the transmission connecting rod 3 is prevented from moving due to the fact that the central power rotating shaft 32 protrudes in the rotating process.
In the technical scheme, the longitudinal conduction mechanism is preferably provided with a square power rod 5, the driving wheel 33 can better drive the power rod 5 to rotate in the rotating process according to the mechanical principle, and the top of the power rod 5 is provided with a thread groove matched with the countersunk head screw 4; the power rod 5 is arranged on the shell 11 of the garbage collection and integration device through a bearing, and is supported through the shell 11, so that the power rod and the garbage collection and integration device are kept relatively static, and the design of the pressing control mechanism can be facilitated.
The invention relates to a pressing touch mechanism, which comprises a rotary driving plate 6 and at least 1 linkage control mechanism 7, as shown in fig. 5, a square mounting hole matched with a power rod 5 is formed in the middle of the rotary driving plate 6, the rotary driving plate 6 is used for controlling the linkage control mechanism 7 to drive a control rod 26 to work, at least 2 arc-shaped pulling plates 61 are uniformly arranged on the circumference of the rotary driving plate, one linkage control mechanism 7 can be correspondingly arranged on each arc-shaped pulling plate 61 according to the requirement, each linkage control mechanism 7 can correspondingly correspond to one garbage recycling unit 2, and a plurality of garbage recycling units 2 can be correspondingly controlled, and accordingly, the linkage control mechanism 7 cuts in from a thinner place in the rotating process of the rotary driving plate, and downward pressing power of the linkage control mechanism 7 is formed through the inclined plane of the pulling plate, so that the control rod 26 of the garbage recycling unit 2 is controlled to work.
Specifically, as shown in fig. 6, when the linkage control mechanism 7 and the garbage collection unit 2 are designed one by one, the linkage control mechanism 7 comprises an L-shaped linkage rod 71 and a support body arranged on the garbage collection integrated device shell 11, the linkage rod 71 is arranged in the support body 74 through a support spring 73, a longitudinal rod 711 of the linkage rod 71 penetrates through the upper side wall of the support body to be matched with the rotary driving plate, and a transverse rod 712 of the linkage rod 71 penetrates through the side wall of the support body close to one side of the garbage collection unit 2 to be matched with the control lever 26 of the bottom cover 21 of the garbage collection unit 2. The top of the longitudinal rod 711 is an arc surface matched with the inclined surface of the arc-shaped plectrum 61 on the rotary dial plate 6, so that the friction force between the linkage rod 71 and the arc-shaped plectrum 61 during working can be reduced; in order to prolong the service life of the linkage rod 71, a buffer (not shown in the figure) is arranged on the linkage rod 71, the buffer can be a square wooden buffer block, and a free and loose spring can be arranged in the buffer, the design is mainly used for preventing the linkage rod 71 from being sprung upwards by the release elasticity of the supporting spring 73 when the linkage rod 71 is separated from the rear end of the arc-shaped poking piece 61, and the linkage rod 71 is easy to damage after long-time use, so that the impact force caused by the sliding of the linkage rod 71 from the arc-shaped poking piece 61 can be reduced by arranging the buffer.
In a specific operation, in order not to affect the use of the single control of the garbage collection unit 2, the one-key control mechanism of the bottom cover 21 of the garbage classification and collection device 1 of the present invention is provided with a through hole 713 for the control rod 26 to pass through at a specific control end, and a baffle 72 matched with the through hole 713 is provided on the control rod 26, so that the control rod 26 can pass through the through hole 713 of the control rod 712, when the single control of the bottom cover 21 of the garbage collection unit 2 is performed, the control rod 26 can be normally pressed, the baffle 72 does not touch the control rod 712, and when the one-key control mechanism is started, the control rod 712 can press the baffle block to realize the control of the control rod 26.
The specific working process of the technical scheme of the invention is as follows: the control handle 31 is pulled left and right by external force to drive the transmission connecting rod 3 to move, the transmission connecting rod 3 controls the transmission wheel 33 to rotate through the power rotating shaft 32, the rotation of the transmission wheel 33 drives the power rod 5 to rotate, then the rotary dial plate 6 rotates, the front section of the arc-shaped dial plate 61 starts the linkage rod 71, the rotation of the dial plate rotates along with the linkage rod, the top of the linkage rod 71 gradually slides down from the front end of the arc-shaped dial plate 61 to the rear end, downward movement of the linkage rod 71 is achieved, the baffle 72 on the control rod 26 is pressed through the transverse rod 712 of the linkage rod 71, the control rod 26 is controlled to start to work, and the bottom cover 21 of the garbage recycling unit 2 is opened.
It should be noted that, the positions of the "upper", "lower", "top" and "bottom" in the operation of the garbage can are merely for convenience of description, and should not limit the present invention.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (5)
1. A bottom cover one-key control mechanism of a garbage classification recycling device, which is characterized by comprising: the eccentric control mechanism is transversely arranged and is used for providing a rotation force for the longitudinal conduction mechanism in the transverse direction; at least 1 longitudinal conduction mechanism is arranged, and all the longitudinal conduction mechanisms are arranged below the eccentric control mechanism in parallel; the control rod touch mechanisms are arranged below the longitudinal conduction mechanisms and are in one-to-one correspondence with the longitudinal conduction mechanisms, and are used for touching control rods on all the garbage collection units for controlling the bottom cover to be opened or closed; the eccentric control mechanism comprises a transmission connecting rod, a control handle and a plurality of driving wheels, wherein the control handle is vertically fixed in the middle of the transmission connecting rod, and the free end of the control handle passes through the shell of the garbage recycling integrated device; the driving wheel is fixed on the driving connecting rod through a power rotating shaft, and the power rotating shaft is positioned at a position outside the center point of the radius of the driving wheel; the control rod touch mechanism comprises a rotary driving plate and at least 1 linkage control mechanism, wherein the rotary driving plate is used for controlling the linkage control mechanism to drive the control rod to work; the longitudinal conduction mechanism is a square power rod, a square mounting hole matched with the power rod is formed in the middle of the rotary driving plate, at least 2 arc-shaped poking sheets are uniformly arranged on the circumference of the square mounting hole, and the thickness of each arc-shaped poking sheet in the rotation direction of the power rod is gradually increased from front to back; the linkage control mechanism comprises an L-shaped linkage rod and a support body arranged on the shell of the garbage collection integrated device, the linkage rod is arranged in the support body through a support spring, a longitudinal rod of the linkage rod penetrates through the upper side wall of the support body to be matched with the rotary driving plate, and a transverse rod of the linkage rod penetrates through the side wall, close to one side of the garbage collection unit, of the support body to be matched with a bottom cover control lever of the garbage collection unit.
2. The bottom cover one-key control mechanism of the garbage classification recycling device according to claim 1, wherein a square hole is formed in the center of the driving wheel, and a step hole for fixing a countersunk head screw is formed in the upper side surface of the driving wheel corresponding to the square hole; the transmission connecting rod is fixed on the upper side surface of the transmission wheel through a power rotating shaft.
3. The bottom cover one-key control mechanism of the garbage sorting and recycling device according to claim 2, wherein a thread groove matched with the countersunk head screw is formed in the top of the power rod; the power rod is arranged on the shell of the garbage collection integrated device through a bearing.
4. The bottom cover one-key control mechanism of the garbage sorting and recycling device according to claim 1, wherein the top of the longitudinal rod is a cambered surface; and a buffer part is arranged on the linkage rod.
5. The bottom cover one-key control mechanism of the garbage sorting and recycling device according to claim 1, wherein a through hole for the control rod to pass through is formed in the free end of the transverse rod, and a baffle matched with the through hole is arranged on the control rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915834.5A CN113479520B (en) | 2021-08-10 | 2021-08-10 | Bottom one-key control mechanism of garbage classification recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110915834.5A CN113479520B (en) | 2021-08-10 | 2021-08-10 | Bottom one-key control mechanism of garbage classification recycling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113479520A CN113479520A (en) | 2021-10-08 |
| CN113479520B true CN113479520B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110915834.5A Active CN113479520B (en) | 2021-08-10 | 2021-08-10 | Bottom one-key control mechanism of garbage classification recycling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB504172A (en) * | 1938-09-12 | 1939-04-20 | Frederick Howard Stroup | Hand-controlled valve |
| CN2351607Y (en) * | 1998-09-29 | 1999-12-01 | 史国军 | Air exhausting fan |
| CN105836336A (en) * | 2016-06-09 | 2016-08-10 | 吴为生 | Intelligent garbage can |
| CN211168333U (en) * | 2019-09-11 | 2020-08-04 | 李祥晖 | Domestic monomer area lid false bottom formula garbage bin |
| CN111591615A (en) * | 2020-05-13 | 2020-08-28 | 见治富 | Municipal administration is with categorised garbage bin of retrieving |
| CN111634586A (en) * | 2020-06-02 | 2020-09-08 | 杜立华 | Garbage clearing device |
| CN211941968U (en) * | 2020-03-20 | 2020-11-17 | 福建连众智惠实业有限公司 | Sheet three-roller precision transmission mechanism |
| CN111977231A (en) * | 2020-09-22 | 2020-11-24 | 陈典军 | Garbage can |
| CN212023702U (en) * | 2020-03-31 | 2020-11-27 | 青岛新起点文化科技有限公司 | A quick recovery unit of rubbish for intelligent classification garbage bin |
-
2021
- 2021-08-10 CN CN202110915834.5A patent/CN113479520B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB504172A (en) * | 1938-09-12 | 1939-04-20 | Frederick Howard Stroup | Hand-controlled valve |
| CN2351607Y (en) * | 1998-09-29 | 1999-12-01 | 史国军 | Air exhausting fan |
| CN105836336A (en) * | 2016-06-09 | 2016-08-10 | 吴为生 | Intelligent garbage can |
| CN211168333U (en) * | 2019-09-11 | 2020-08-04 | 李祥晖 | Domestic monomer area lid false bottom formula garbage bin |
| CN211941968U (en) * | 2020-03-20 | 2020-11-17 | 福建连众智惠实业有限公司 | Sheet three-roller precision transmission mechanism |
| CN212023702U (en) * | 2020-03-31 | 2020-11-27 | 青岛新起点文化科技有限公司 | A quick recovery unit of rubbish for intelligent classification garbage bin |
| CN111591615A (en) * | 2020-05-13 | 2020-08-28 | 见治富 | Municipal administration is with categorised garbage bin of retrieving |
| CN111634586A (en) * | 2020-06-02 | 2020-09-08 | 杜立华 | Garbage clearing device |
| CN111977231A (en) * | 2020-09-22 | 2020-11-24 | 陈典军 | Garbage can |
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| Publication number | Publication date |
|---|---|
| CN113479520A (en) | 2021-10-08 |
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