CN110884794B - Method for separating new and old garbage bags in garbage can - Google Patents
Method for separating new and old garbage bags in garbage can Download PDFInfo
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- CN110884794B CN110884794B CN201911275968.4A CN201911275968A CN110884794B CN 110884794 B CN110884794 B CN 110884794B CN 201911275968 A CN201911275968 A CN 201911275968A CN 110884794 B CN110884794 B CN 110884794B
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- bag
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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
- B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
- B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
- B65F1/065—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks with means aiding the insertion of the flexible insert
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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
- B65F1/04—Refuse receptacles; Accessories therefor with removable inserts
- B65F1/06—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks
- B65F1/068—Refuse receptacles; Accessories therefor with removable inserts with flexible inserts, e.g. bags or sacks with means aiding the removal of the flexible insert
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- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Refuse Receptacles (AREA)
Abstract
The invention provides a method for separating new and old garbage bags in a garbage can, which is realized by a separating device, wherein the separating device comprises a can body, a garbage bag detecting device is arranged in the can body, the garbage bag detecting device comprises a bag storage bin, a bag storage bin shaft, a bag storage bin cover and a bag changing driving mechanism, the bag storage bin is positioned in the lower end of the can body, the bag storage bin cover is arranged at one end of the bag storage bin, the bag storage bin cover is connected with the bag storage bin shaft, the bag changing driving mechanism is arranged between the bag storage bin shaft and the can body, the bag changing driving mechanism and the new garbage bags wound on the bag storage bin shaft act, and an opening is formed in the can body at the position of the same axis of the bag storage bin. According to the separation method, the bag changing driving mechanism detects the specific height of the new bag brought by the old bag, when the height of the new garbage bag reaches the preset height, the bag changing driving mechanism compresses the new bag, and the new and old bags are separated and lifted manually.
Description
Technical Field
The invention relates to the field of garbage cans, in particular to a method for separating new garbage bags from old garbage bags in a garbage can.
Background
The garbage can is an indispensable necessity in human life and can be seen almost every day. The market of household supplies, hotel supplies and even alleys in avenues is indispensable at present. Along with the general improvement of people's environmental consciousness and aesthetic level, the kind and the quantity of garbage bin are also constantly renovating and increasing, and people pay more attention to its practicality, and the product function also develops towards "practicality" and "intellectuality".
The Chinese patent application No. 201822095603.0, published as 2019.10.08, discloses a full-automatic intelligent garbage can, which comprises a can body, a can cover pivoted to the can body, a bag changing device, a main control device and a flip induction module, wherein a control panel is arranged at the top of the can body, a touch key connected to the main control device is arranged on the control panel, and the touch key controls the can cover to open, close and the bag changing device to change bags and package; the flip induction module is arranged in the barrel and comprises a vibration induction device, a sound control induction device and an infrared induction device. The vibration sensing device, the sound control sensing device and the infrared sensing device are respectively connected to the main control device, and the three sensing devices can respectively drive the barrel cover to be opened or closed. The garbage can automatically open and close the cover in various modes, has high automation degree, greatly increases the convenience of opening the cover and facilitates the daily life of a user; and effectively avoid the direct contact of people with rubbish, clean health, the practicality is strong, has wide market prospect and application prospect.
The utility model discloses a structure can't adapt to different disposal bags, to the disposal bag of difference, can't accomplish automatic the change.
Disclosure of Invention
The invention aims to provide a method for separating new and old garbage bags in a garbage can.
In order to achieve the purpose, the separation method of the new and old garbage bags in the garbage can is achieved through a separation device, the separation device comprises a can body, a garbage bag detection device is arranged in the can body, the garbage bag detection device comprises a bag storage bin, a bag storage bin shaft, a bag storage bin cover and a bag changing driving mechanism, the bag storage bin is located in the lower end of the can body, the bag storage bin cover is arranged at one end of the bag storage bin, the bag storage bin cover is connected with the bag storage bin shaft, the bag changing driving mechanism is arranged between the bag storage bin shaft and the can body, the bag changing driving mechanism and the new garbage bags wound on the bag storage bin shaft act, and an opening is formed in the position, located on the same axis of the bag storage bin, of the can body.
The method comprises the following specific steps:
a) the bag changing driving mechanism is firstly pressed on a new garbage bag on the bag storage bin shaft, and the new garbage bag wound on the bag storage bin shaft moves upwards along with the upward movement of the old garbage bag in the bucket body;
b) detecting the specific height of a new bag brought by the old bag through the bag changing driving mechanism, and compressing the new bag by the bag changing driving mechanism when the height of the new garbage bag reaches a preset height;
c) the new bag and the old bag are separated and lifted away through manpower, and then the bag replacing driving mechanism returns.
According to the method for separating the new and old garbage bags in the garbage can, the bag changing driving mechanism is firstly pressed on the new garbage bag on the bag storage bin shaft, the new garbage bag wound on the bag storage bin shaft moves upwards along with the upward movement of the old garbage bag in the garbage can body, the specific height of the new bag carried by the old bag is detected and provided through the bag changing driving mechanism, when the height of the new garbage bag reaches the preset height, the bag changing driving mechanism compresses the new bag, the new and old bags are separated and lifted away through manpower, and then the bag changing driving mechanism returns to the original position, so that the new garbage bag is conveniently separated from the old garbage bag, and the garbage bag is conveniently changed.
Furthermore, the bag changing driving mechanism comprises a rotary driving motor, a rotary rod, a tension spring, a rotary encoder assembly and a rotary wheel; the rotary driving motor is connected to the barrel body; the swiveling wheel is located the storage bag storehouse, and the swiveling wheel is equipped with the rotary encoder subassembly with coiling in the epaxial new disposal bag effect in storage bag storehouse on the swiveling wheel, and the rotary encoder subassembly is connected the rotary rod, and the rotary rod passes through the extension spring and connects the ladle body, the end of rotary rod is installed on rotary drive motor's output shaft. The structure, under the effect of the extension spring, the rotating rod is always under the pulling force of the extension spring, thus, the rotating wheel gives a pressure to the garbage bag on the bag storage bin shaft, when the garbage bag on the bag storage bin shaft moves, under the effect of friction force, the rotating wheel rotates, so as to be counted by the rotary encoder, when the number of counted turns of the rotary encoder reaches the preset moving height of the new garbage bag, the rotary driving motor works, the rotary driving motor drives the rotating rod to swing, the force applied to the garbage bag by the rotating wheel is larger than the pulling force of the extension spring, the new garbage bag does not continue to move, then the new garbage bag and the old garbage bag are separated manually, after the old garbage bag is separated, the rotary driving motor resets, thus, the moving height of the new garbage bag can be determined, and when the new garbage bag and the old garbage bag are separated, the new garbage bag can not continue to move under the, the new and old garbage bags can be conveniently separated.
Further, the one end that the rotary rod is located the swiveling wheel is equipped with the through-hole, is located to be equipped with the encoder subassembly in the through-hole, makes the encoder embedding connect through this through-hole.
Further, the encoder subassembly includes encoder, encoder pivot, fixed plate and encoder connecting axle, in the encoder embedding through-hole, the encoder passes through the fixed plate to be fixed on the rotary rod, is equipped with the encoder connecting axle on the encoder, and the encoder connecting axle is connected with the encoder pivot, and the encoder subassembly passes through the encoder pivot and is connected with the swiveling wheel, from this, connects the swiveling wheel through the encoder subassembly and carries out the length detection to the disposal bag.
Further, the bag storage bin cover is embedded into the opening of the barrel body. After the garbage bag on the bag storage bin shaft is used up, the bag storage bin shaft and the bag storage bin cover are taken out from the opening through the opening, then a new garbage bag is wound, then the bag storage bin shaft wound with the new garbage bag and the bag storage bin cover are placed into the bag storage bin from the opening, and the bag storage bin shaft is supported through the bag storage bin cover, so that the wound garbage bag is convenient to replace.
Drawings
Fig. 1 is a perspective sectional view of an intelligent trash can used in the present invention.
Fig. 2 is a schematic perspective view of an intelligent trash can used in the present invention.
Fig. 3 is an exploded view of a drum cap used in the present invention.
Fig. 4 is a left side view in cross-section of the invention in use.
Fig. 5 is a perspective view of the bag changing mechanism of the present invention.
Fig. 6 is an enlarged view of a portion a in fig. 1.
Fig. 7 is an enlarged view at B in fig. 5.
Fig. 8 is an exploded view of the encoder assembly of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The method for separating the new and old garbage bags in the garbage can is realized by a separating device, wherein the separating device comprises a can body 1 and a garbage bag detecting device 3.
As shown in fig. 1 to 8, an intelligent trash can includes a can body 1.
A driving mechanism 2 and a garbage bag detection device 3 are arranged in the barrel body 1, the driving mechanism 2 comprises a first speed reduction driving motor (not shown in the figure), a screw rod 22, a screw rod nut 23, a sliding block 24 and a bag collecting device 4, the first speed reduction driving motor is connected with the screw rod 22, the screw rod nut 23 is arranged on the screw rod 22, the screw rod nut 23 is connected with the sliding block 24, and a rubber block (not shown in the figure) is arranged on one side of the sliding block 24; the garbage bag detection device 3 comprises a bag storage bin 31, a bag storage bin shaft 32, a bag storage bin cover 33 and a bag changing driving mechanism 5 (shown in fig. 5), wherein the bag storage bin cover 33 is arranged at one end of the bag storage bin 31, the bag storage bin cover 33 is connected with the bag storage bin shaft 32, the bag changing driving mechanism 5 is arranged on the bag storage bin shaft 32, and an opening 34 (shown in fig. 5) is formed in the position, on the same axis of the bag storage bin 31, of the barrel body 1;
the bag collecting device 4 comprises a second speed reduction driving motor (not shown in the figure), a first gear 42, a second gear 43, a first clamping hand 44 and a second clamping hand 45, the second speed reduction driving motor is connected with the first gear 42, the first clamping hand 44 is arranged on the first gear 42, the second gear 43 is meshed with the first gear 42, and the second clamping hand 45 is arranged on the second gear 43.
In the embodiment, the first deceleration driving motor drives the screw rod 22 to rotate to drive the slider 24 connected with the screw rod nut 23 to transversely close up the bag in the barrel, and the second deceleration driving motor drives the first gear 42 to rotate the first gear 42 and the second gear 43, so as to drive the first gripper 44 and the second gripper 45 to rotate, so as to vertically close up the garbage bag; the bag changing driving mechanism 5 is firstly pressed on the new garbage bag on the bag storage bin shaft 32, the new garbage bag wound on the bag storage bin shaft 32 moves upwards along with the upward movement of the old garbage bag in the barrel body 1, the specific height of the new garbage bag carried by the old garbage bag is detected and proposed through the bag changing driving mechanism 5, when the height of the new garbage bag reaches the preset height, the bag changing driving mechanism 5 compresses the new garbage bag, the new and old garbage bags are separated and are lifted away through manpower, and then the bag changing driving mechanism 5 returns to the original position, so that the new garbage bag is conveniently separated from the old garbage bag, and the garbage bag is convenient to change.
As shown in fig. 2 and 3, a tub cover mechanism 6 is disposed at the top end of the tub body 1, the tub cover mechanism 6 includes a speed reduction driving motor 61, a connecting shaft 63, a rotating shaft 64, a tub shell 65 and a tub cover 66, a connecting groove 651 is disposed at one end of the tub shell 65, the speed reduction driving motor 61 is disposed in the connecting groove 651, the speed reduction driving motor 61 is connected with the rotating shaft 64 through the connecting shaft 63, a tub cover 66 is disposed on the rotating shaft 64, and the automatic opening of the tub cover is realized by driving of the speed reduction driving motor 61;
the barrel cover 66 is provided with a limiting table 661 matched with the connecting groove 651, the rotating shaft 64 is fixed in the limiting table 661, and the limiting table 661 is used for fixing to prevent the rotating shaft 64 from shifting or sliding.
As shown in fig. 4, a connecting ring 652 is extended from the bottom end of the barrel shell 65 to connect with the top end of the barrel 1, a mounting section 653 is formed between the barrel shell 65 and the barrel 1 through the connecting ring 652, a bag collecting device 4 is arranged in the mounting section 653, and the mounting section 653 is used for placing the bag collecting device 4;
the top of ladle body 1 is equipped with boss 12, and the second speed reduction driving motor is installed boss 12 on, first tong 44 stretch into installation interval 653 in with first gear connection, first tong 44 and second tong 45 pass slider 24, through first tong 44 and second tong 45 and slider 24 cooperation, make the disposal bag seal.
As shown in fig. 6, a transverse slit 241 is provided in the middle of the slider 24, the first clamping hand 44 and the second clamping hand 45 penetrate through the transverse slit 421, and the garbage bag is sealed by the cooperation of the first clamping hand 44 and the second clamping hand 45 with the slider 24.
The ends of the first clamping hand and the second clamping hand are provided with thermal resistance sheets (not shown in the figure), so that the sealing of the garbage bag is compressed by short-time electrification of the thermal resistance sheets, and the sealing is fused and sealed.
As shown in fig. 5, 7 and 8, the pouch-changing driving mechanism includes a rotation driving motor 53, a rotation lever 51, a tension spring 52, an encoder assembly 7 and a rotation wheel 54; the rotary driving motor 53 is connected to the barrel body 1; the swiveling wheel 54 is located the storage bag storehouse 31, and swiveling wheel 54 acts on with the new disposal bag of coiling on storage bag storehouse axle 32, is equipped with encoder subassembly 7 on swiveling wheel 54, and encoder subassembly 7 connects rotary rod 51, and rotary rod 51 connects ladle body 1 through extension spring 52, the end of rotary rod 51 is installed on the output shaft 531 of rotation driving motor 53, and this structure, under extension spring 52's effect, rotary rod 51 receives the pulling force of extension spring 52 all the time, and like this, let swiveling wheel 54 give the disposal bag pressure on the storage bag storehouse axle 32, when the disposal bag on the storage bag storehouse axle 32 moves, under the effect of frictional force, swiveling wheel 54 is rotatory, thereby count through encoder 71, when the number of turns of encoder 71 count reaches the motion height of the new disposal bag of presetting, rotation driving motor 53 works, rotation driving motor 53 drives the swing of rotary rod 51, let swiveling wheel 54 act on the disposal bag the pulling force be greater than the pulling force of extension spring 52, the new garbage bag is not moved continuously, then the new garbage bag and the old garbage bag are separated manually, and after the old garbage bag is separated, the rotating driving motor 53 is reset, so that the moving height of the new garbage bag can be determined, and when the new garbage bag and the old garbage bag are separated, the new garbage bag cannot be moved continuously under the action of the rotating wheel 54, and therefore the new garbage bag and the old garbage bag can be separated conveniently.
As shown in fig. 5 and 7, the bag storage shaft 33 is inserted into the opening 34 of the tub 1, and when the garbage bag on the bag storage shaft 32 is used up, the bag storage shaft 32 and the bag storage cover 33 are taken out from the opening 34 through the opening 34, and then a new garbage bag is wound, and then the bag storage shaft 32 and the bag storage cover 33 wound with a new garbage bag are put into the bag storage 31 from the opening 34, and the bag storage shaft 32 is supported by the bag storage cover 33, so that the wound garbage bag can be conveniently replaced.
As shown in fig. 8, the rotating rod 51 has a through hole 512 at one end of the rotating wheel 54, and the encoder assembly 7 is disposed in the through hole 512.
As shown in fig. 8, the encoder assembly 7 includes an encoder 71, an encoder rotating shaft 72, a fixing plate 73 and an encoder connecting shaft 74, the encoder 71 is embedded in the through hole 512, the encoder 71 is fixed on the rotating rod 51 through the fixing plate 73, the encoder connecting shaft 74 is arranged on the encoder 71, the encoder connecting shaft 74 is connected with the encoder rotating shaft 72, the encoder assembly 7 is connected with the rotating wheel 54 through the encoder rotating shaft 72, and therefore, the rotating wheel 54 is connected through the encoder assembly 7 to detect the length of the garbage bag.
According to the intelligent garbage can with the structure, the first speed reduction driving motor drives the screw rod to rotate to drive the sliding block connected with the screw rod nut to transversely close up the bag in the can, and the second speed reduction driving motor drives the first gear to rotate the first gear and the second gear by driving the first gear, so that the first clamping hand and the second clamping hand are driven to rotate, and the garbage bag is vertically closed up; in the present application, the lateral direction refers to the Y-axis direction in fig. 2, and the vertical direction refers to the X-axis direction in fig. 2. The bag changing driving mechanism is firstly pressed on a new garbage bag on the bag storage bin shaft, the new garbage bag wound on the bag storage bin shaft moves upwards along with the upward movement of an old garbage bag in the barrel body, the specific height of the new garbage bag carried by the old bag is provided through the bag changing driving mechanism, when the height of the new garbage bag reaches a preset height, the bag changing driving mechanism compresses the new bag, the new and old bags are separated through manpower, the old bag is lifted away, and then the bag changing driving mechanism returns to the original position, so that the new garbage bag is conveniently separated from the old garbage bag, and the garbage bag is conveniently changed.
In this embodiment, the separation method is:
a) the bag changing driving mechanism is firstly pressed on a new garbage bag on the bag storage bin shaft, and the new garbage bag wound on the bag storage bin shaft moves upwards along with the upward movement of the old garbage bag in the bucket body;
b) detecting the specific height of a new bag brought by the old bag through the bag changing driving mechanism, and compressing the new bag by the bag changing driving mechanism when the height of the new garbage bag reaches a preset height;
c) the new bag and the old bag are separated and lifted away through manpower, and then the bag replacing driving mechanism returns.
Claims (4)
1. A method for separating new and old garbage bags in a garbage can is characterized by comprising the following steps: the separation method is realized through a separation device, the separation device comprises a barrel body, a garbage bag detection device is arranged in the barrel body, the garbage bag detection device comprises a bag storage bin, a bag storage bin shaft, a bag storage bin cover and a bag changing driving mechanism, the bag storage bin is positioned in the lower end of the barrel body, the bag storage bin cover is arranged at one end of the bag storage bin, the bag storage bin cover is connected with the bag storage bin shaft, the bag changing driving mechanism is arranged between the bag storage bin shaft and the barrel body, the bag changing driving mechanism acts on a new garbage bag wound on the bag storage bin shaft, and an opening is formed in the position, on the same axis line of the bag storage bin, of the barrel body; the bag changing driving mechanism comprises a rotary driving motor, a rotary rod, a tension spring, a rotary encoder assembly and a rotary wheel; the rotary driving motor is connected to the barrel body; the rotating wheel is positioned in the bag storage bin and acts with a new garbage bag wound on a bag storage bin shaft, a rotary encoder assembly is arranged on the rotating wheel and connected with a rotating rod, the rotating rod is connected with the barrel body through a tension spring, and the tail end of the rotating rod is installed on an output shaft of a rotary driving motor; under the action of the tension spring, the rotating rod is always under the tension of the tension spring, the rotating wheel applies pressure to the garbage bags on the bag storage bin shaft, when the garbage bags on the bag storage bin shaft move, the rotating wheel rotates under the action of friction force, so that counting is performed through the rotary encoder assembly, when the number of counted turns of the rotary encoder reaches the preset moving height of a new garbage bag, the rotary driving motor works, the rotary driving motor drives the rotating rod to swing, the force applied to the garbage bags by the rotating wheel is larger than the tension force of the tension spring, the new garbage bag does not move continuously, then the new garbage bag is separated from the old garbage bag manually, and after the old garbage bag is separated, the rotary driving motor resets;
the method comprises the following specific steps:
a) the bag changing driving mechanism is firstly pressed on a new garbage bag on the bag storage bin shaft, and the new garbage bag wound on the bag storage bin shaft moves upwards along with the upward movement of the old garbage bag in the bucket body;
b) detecting the specific height of a new bag brought by the old bag through the bag changing driving mechanism, and compressing the new bag by the bag changing driving mechanism when the height of the new garbage bag reaches a preset height;
c) the new bag and the old bag are separated and lifted away through manpower, and then the bag replacing driving mechanism returns.
2. The method for separating the old and the new garbage bags in the garbage can according to claim 1, wherein the method comprises the following steps: the one end that the rotary rod is located the swiveling wheel is equipped with the through-hole, is located to be equipped with the encoder subassembly in the through-hole.
3. The method for separating the old and new garbage bags in the garbage can according to claim 2, characterized in that: the encoder subassembly includes encoder, encoder pivot, fixed plate and encoder connecting axle, in the encoder embedding through-hole, the encoder passes through the fixed plate to be fixed on the rotary rod, be equipped with the encoder connecting axle on the encoder, the encoder connecting axle is connected with the encoder pivot, the encoder subassembly passes through the encoder pivot and is connected with the swiveling wheel, when the number of turns of rotary encoder count reaches the motion height of the new disposal bag of presetting, the work of rotary drive motor, rotary drive motor drives the rotary rod swing, let the power that the swiveling wheel was used on the disposal bag be greater than the pulling force of extension spring, let new disposal bag not continue the motion.
4. The method for separating the old and the new garbage bags in the garbage can according to claim 1, wherein the method comprises the following steps: the storage bag bin cover is embedded and connected in the opening of the barrel body, after the storage bag bin is used up, the storage bag bin shaft and the storage bag bin cover are taken out from the opening through the opening, then a new garbage bag is wound, then the storage bag bin shaft and the storage bag bin cover wound with the new garbage bag are placed into the storage bag bin from the opening, and the storage bag bin shaft is supported through the storage bag bin cover.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911275968.4A CN110884794B (en) | 2019-12-12 | 2019-12-12 | Method for separating new and old garbage bags in garbage can |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911275968.4A CN110884794B (en) | 2019-12-12 | 2019-12-12 | Method for separating new and old garbage bags in garbage can |
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| CN110884794A CN110884794A (en) | 2020-03-17 |
| CN110884794B true CN110884794B (en) | 2021-06-01 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000351401A (en) * | 1999-06-10 | 2000-12-19 | 富雄 ▲桑▼原 | Garbage bin and container for garbage bag |
| CN201777612U (en) * | 2010-08-18 | 2011-03-30 | 王春平 | Convenient garbage bin |
| CN104085632A (en) * | 2014-07-21 | 2014-10-08 | 广州大学 | Automatic bag replacement and placing device and method for intelligent garbage can |
| CN106564717A (en) * | 2016-10-31 | 2017-04-19 | 广州大学 | Automatic garbage bag hot-sealing device and method of garbage can |
| CN108657684A (en) * | 2018-06-29 | 2018-10-16 | 宁波大学 | A kind of dustbin being convenient for changing refuse bag |
| CN110127240A (en) * | 2019-05-18 | 2019-08-16 | 陈科 | Dustbin equipped with automation function |
-
2019
- 2019-12-12 CN CN201911275968.4A patent/CN110884794B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000351401A (en) * | 1999-06-10 | 2000-12-19 | 富雄 ▲桑▼原 | Garbage bin and container for garbage bag |
| CN201777612U (en) * | 2010-08-18 | 2011-03-30 | 王春平 | Convenient garbage bin |
| CN104085632A (en) * | 2014-07-21 | 2014-10-08 | 广州大学 | Automatic bag replacement and placing device and method for intelligent garbage can |
| CN106564717A (en) * | 2016-10-31 | 2017-04-19 | 广州大学 | Automatic garbage bag hot-sealing device and method of garbage can |
| CN108657684A (en) * | 2018-06-29 | 2018-10-16 | 宁波大学 | A kind of dustbin being convenient for changing refuse bag |
| CN110127240A (en) * | 2019-05-18 | 2019-08-16 | 陈科 | Dustbin equipped with automation function |
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| CN110884794A (en) | 2020-03-17 |
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