CN110683257A - Garbage can cover opening mechanism without touching hands - Google Patents
Garbage can cover opening mechanism without touching hands Download PDFInfo
- Publication number
- CN110683257A CN110683257A CN201911059359.5A CN201911059359A CN110683257A CN 110683257 A CN110683257 A CN 110683257A CN 201911059359 A CN201911059359 A CN 201911059359A CN 110683257 A CN110683257 A CN 110683257A
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- cover
- gear
- rotating
- rotating arm
- rotating shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 74
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 230000001360 synchronised effect Effects 0.000 claims description 20
- 230000006698 induction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 230000007306 turnover Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
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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
- B65F2001/1653—Constructional features of lids or covers
- B65F2001/1692—Constructional features of lids or covers relating to safety means, e.g. for children trapped inside the refuse receptacle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refuse Receptacles (AREA)
Abstract
The invention relates to a cap opening device of a household garbage container, in particular to a cap opening mechanism of a garbage can without touching hands, which is characterized in that a cap body rotating mechanism comprises a main rotating shaft connected with a driving mechanism, a rotating arm and a cap rotating shaft fixed in the middle of the lower side surface of a can cap, one end of the rotating arm is fixedly connected with the main rotating shaft, and the other end of the rotating arm is hinged with the cap rotating shaft; the cover surface rotating mechanism comprises a tooth surface transmission piece, a main gear and a cover gear, wherein the main gear is sleeved on the main rotating shaft and is fixedly connected with the cover seat body, the cover gear is fixedly connected with the cover rotating shaft, and two ends of the tooth surface transmission piece are respectively in meshed connection with the main gear and the cover gear; the middle position of the shaft holes at the two sides of the rotating arm is provided with a guide rail, and the tooth surface transmission part is arranged on the guide rail; the mechanism shell covers the rotating arm to form a closed space with the rotating arm, and all the rotating mechanisms are covered in the closed shell. The invention has the advantages that: on the basis of realizing that the cover surface of the barrel cover can not touch hands, the barrel cover is small in size and convenient to use, effectively avoids attaching dirt, realizes reliable operation and is convenient to clean.
Description
Technical Field
The invention relates to a cover opening device of a household garbage container, in particular to a cover opening mechanism of a garbage can without touching hands.
Background
The existing garbage can with the cover generally adopts a traditional cover opening mode that a rotating shaft is close to the rear part and the front end of the can cover is directly turned upwards, the front end of the can cover easily touches hands or garbage needing to be thrown in the cover opening process, and the operation is not humanized; in addition, the lower side surface of the barrel cover faces to garbage easily to generate dirt and bacteria, and the lower side surface of the barrel cover faces to operators after the barrel cover is opened, so that the garbage can not be sanitary and is not elegant. In order to solve the problems, Chinese patent ZL2016101587549 provides a cover opening method capable of enabling the rear end of a barrel cover to be turned up, the cover opening method is provided with a push rod and a swing arm which are arranged on a barrel body, the upper end of the push rod is connected with the rear edge of the barrel cover, and one end of the swing arm is pivoted with the bottom surface (lower side surface) of the barrel cover; the push rod can push upwards under the action of the motor and push the rear edge of the barrel cover to turn upwards, and at the moment, under the constraint of the swing arm, the front end of the barrel cover moves backwards, so that the uncovering process of backward turning of the barrel cover is completed. However, the technical scheme of the patent has the following defects:
1) the push rod is a stroke rod which can move up and down, the moving stroke is long, tooth surfaces are required to be arranged in the stroke range to be meshed with a motor shaft gear, and the push rod and the barrel cover are in relative position change, so that the push rod can only be exposed outside, and particularly when the barrel cover is opened, the exposed tooth surfaces are easy to store dirt and dirt, attach dust or rubbish scattered objects, so that the faults of jamming, inflexible rotation and the like are caused, and the practicability is poor.
2) Because the stroke of push rod is long, therefore the mechanism needs higher elevation in the vertical direction, and the stroke space is big, takes place the interference with the external world easily to influence the operation of push rod, lead to uncapping the trouble.
3) Both the push rod and the swing arm are connected with the barrel cover and the barrel body at the same time, namely, the barrel cover is connected with the barrel body into a whole through the push rod and the swing arm and cannot be detached, so that the barrel body is inconvenient to install a garbage bag, and the barrel body of a common garbage barrel needs to be cleaned at variable time, so that the cleaning of the barrel body becomes very inconvenient in the connection relation, the cleaning is easy to interfere with the push rod (the barrel cover needs to be opened, and the push rod needs to be lifted to the highest point) during the cleaning, and the motor wading fault is caused.
Disclosure of Invention
The invention aims to provide a trash can uncovering mechanism which is small in stroke space, convenient to clean a can body, safe and reliable to operate and free of hand touch, and does not interfere with the outside and the operation.
The purpose of the invention is realized by the following ways:
a garbage bin uncapping mechanism without touching hands comprises an annular cover seat body and a bin cover, wherein the cover seat body is sleeved above a bin body of the garbage bin; the cover surface rotating mechanism comprises a tooth surface transmission part, a main gear sleeved on the main rotating shaft and fixedly connected with the cover seat body, and a cover gear sleeved on the cover rotating shaft and fixedly connected with the cover rotating shaft, wherein two ends of the tooth surface transmission part are respectively in meshed connection with the main gear and the cover gear; the rotating arm is of a long strip-shaped plate structure, shaft holes are formed in the two sides of the front end and the rear end to connect the main rotating shaft and the cover rotating shaft, guide rails are arranged in the middle positions of the shaft holes in the two sides, and the tooth surface transmission piece is mounted on the guide rails; the mechanism shell covers the rotating arm to form a closed space with the rotating arm, and the cover surface rotating mechanism and the cover body rotating mechanism are enclosed in the closed space.
The main gear is sleeved on the main rotating shaft and fixed on the cover seat body, and the cover gear is sleeved on the cover rotating shaft and fixedly connected with the cover rotating shaft; the closed space formed by the mechanism shell and the rotating arm is a relative and non-complete closed space, a movable gap is formed between the closed space and the cover seat body, and the main gear and the main rotating shaft are positioned on the cover seat body and are in a state of being semi-surrounded by the relative closed space. When the cover is started, the driving mechanism drives the main rotating shaft to rotate (the main gear is fixed and does not move), the main rotating shaft drives the rotating arm to rotate, the rotating arm supports the cover body of the barrel cover to rotate upwards by taking the main rotating shaft as a pivot, the tooth surface transmission piece is driven downwards under the rotation of the rotating arm and the limitation of the fixation of the main gear so as to drive the cover gear to rotate, the cover gear drives the cover surface of the barrel cover to rotate by taking the axial core line of the cover rotating shaft as the center, the rear end (the side close to the main rotating shaft as the rear end) of the cover surface is turned upwards during rotation, and the front end is moved downwards and backwards to the rear end, therefore, the rotating arm is driven by the main rotating shaft to open the cover body of the barrel cover under the action of the driving mechanism on one hand, and slides mutually with the tooth surface transmission piece on the other hand, so that the. The cover body rotating mechanism of the invention drives the organic combination of the cover surface rotating mechanism, realizes the opening of the cover body and the overturning of the cover surface simultaneously through reliable and effective transmission coordination, and achieves the following technical effects:
firstly, the mounting space for organically combining the cover surface rotating mechanism and the cover body rotating mechanism is limited between the lower side surface of the barrel cover and the cover seat body, the size is small, and the space outside the garbage barrel is not occupied, so that the occupied space is small, and the mounting and the use are convenient; secondly, because the whole cover opening mechanism is small in size, and the cover surface is driven to rotate by the rotation of the cover body, the operation space of the transmission mechanism is greatly reduced, the mechanism shell can cover the rotating arm and be combined with the lower back surface of the rotating arm to form a non-completely closed space so as to enclose the two rotating mechanisms in the space, and thus, the rotating mechanisms are isolated from the outside, and the operation is prevented from being influenced by the attachment of dirt; finally, the rotating mechanism is arranged on the barrel cover and the cover seat body, is not related to the barrel body, and the cover seat body and the barrel body can be detached, so that the barrel body is convenient to clean, and the use is convenient and reliable.
The invention may further be embodied as:
the tooth surface transmission part is a rack, and two ends of the rack are distributed with plane teeth which are respectively matched with the main gear and the cover gear to be meshed with the main gear and the cover gear; the lower side part of the rack is positioned in the guide rail of the rotating arm and can slide relative to the rotating arm.
The length of the plane teeth at the two ends of the rack is matched with the circumference of the corresponding gear, and the length of the rack is ensured to be still meshed with the corresponding gear when the barrel cover is closed and completely opened. When the rotating arm rotates under the action of the driving mechanism, the rack is limited by the main gear and slides downwards relative to the rotating arm, so that the cover gear is driven to rotate and the cover surface of the barrel cover is further driven to turn over from top to bottom.
Or the following steps:
the tooth surface transmission part is a synchronous transmission belt, the inner side of the synchronous transmission belt is fully distributed with tooth surfaces, two ends of the synchronous transmission belt are respectively and correspondingly meshed with the cover gear and the main gear, and a belt body of the synchronous transmission belt, which is close to the rotating arm, is positioned in a guide rail of the rotating arm and can move relative to the rotating arm.
The synchronous transmission belt is of a rotary structure, and tooth surfaces can be distributed only at the meshing part of the synchronous transmission belt and the cover gear and the main gear. In the same way as the rack, when the rotating arm is driven by the main rotating shaft to rotate by the action of the driving mechanism, the synchronous transmission belt is limited by the main gear and slides reversely relative to the rotating arm to drive the cover surface to turn over. Compared with a tooth surface transmission piece with a rack structure, the tooth surface transmission piece is preferably a rack, the structure is simpler, and the volume is smaller.
The invention can be further embodied as follows:
the reference circle diameter of the main gear is 1.5-2.5 times of the reference circle diameter of the cover gear.
Therefore, the rotating angle of the rotating arm is close to the overturning angle of the cover surface of the barrel cover, and synchronization in place as far as possible is met.
The preferred scheme is as follows: the pitch circle diameter of the main gear is 2 times the pitch circle diameter of the cover gear. Therefore, the data of the rotating angle of the rotating arm and the overturning angle of the cover surface of the barrel cover are the same, and the movement interference between the rotating angle and the overturning angle is avoided.
The driving mechanism comprises a motor and a speed reducing unit, the input end of the motor is connected with the induction circuit of the garbage can, the output end of the motor is connected with the speed reducing unit, and the output end of the speed reducing unit is connected with the main rotating shaft.
In summary, the invention provides a garbage bin cover opening mechanism without touching hands, which adopts a mode that a cover body rotates to drive a cover surface to rotate, so that the cover surface is turned over from front to back while the cover body is opened, and the problem of touching with garbage or hands throwing the garbage is avoided; still adopt the lid seat body with ladle body separation as the transmission base to can all set up drive mechanism in relative enclosure space, thereby and reached following technological effect: small volume, convenient use, effective prevention of dirt adhesion, reliable operation and convenient cleaning.
Drawings
Fig. 1 is a schematic view of the overall structure of a trash can with a hand-touch-free trash can cover opening mechanism according to the invention.
Fig. 2 is an exploded schematic view of a cover opening mechanism of a trash can without touching hands according to embodiment 1 of the present invention, including a mechanism housing.
Fig. 3 is an exploded schematic view of a cover opening mechanism of a trash can without touching hands according to embodiment 1 of the present invention, which omits a mechanism housing and includes a cover base.
Fig. 4 is a schematic view of an operation flow structure of a hand-touch-free trash can uncovering mechanism according to embodiment 1 of the present invention, and a mechanism housing is omitted.
Fig. 5 is a schematic structural diagram of the uncovering process of the non-touch trash can uncovering mechanism according to the preferred embodiment of the invention.
Fig. 6 is an exploded view of the lid opening mechanism of the trash can without touching hands according to the preferred embodiment of the invention.
Fig. 7 is a schematic view of the operation flow structure of the hand-touch-free trash can lid opening mechanism according to the preferred embodiment of the invention, and the mechanism housing is omitted.
Fig. 8 is a schematic structural diagram of the hand-touch-free trash can uncovering mechanism according to the preferred embodiment of the invention after uncovering is in place.
The reference numerals are specifically: 1-a barrel body, 2-a barrel cover, 3-a mechanism shell, 201-a barrel cover front end, 202-a barrel cover rear end, 21-a main rotating shaft, 22-a main gear, 23-a rotating arm, 24A-a rack, 24B-a synchronous transmission belt, 25-a cover gear, 26-a cover rotating shaft, 27-an annular cover seat body, 28-a motor and 29-a speed reducing unit.
The present invention will be further described with reference to the following examples.
Detailed Description
Example 1:
referring to the attached drawings 1-4, a garbage can uncovering mechanism without touching hands comprises an annular cover base body 27 and a can cover 2, wherein the cover base body 27 is sleeved above a can body 1 of the garbage can, the garbage can also comprises a cover body rotating mechanism, a cover surface rotating mechanism, a driving mechanism and a mechanism shell 3, the cover body rotating mechanism comprises a main rotating shaft 21 connected with the driving mechanism, a rotating arm 23 and a cover rotating shaft 26 fixed in the middle of the lower side surface of the can cover, one end of the rotating arm 23 is fixedly connected with the main rotating shaft 21, and the other end is hinged with the cover rotating shaft 26; the cover surface rotating mechanism comprises a synchronous transmission belt 24B serving as a tooth surface transmission piece, a main gear 22 which is sleeved on the main rotating shaft 21 and is fixedly connected with the cover seat body 27, and a cover gear 25 which is sleeved on the cover rotating shaft 26 and is fixedly connected with the cover rotating shaft 26, wherein the inner side surface of the synchronous transmission belt 24B is distributed with tooth shapes, and two ends of the synchronous transmission belt are respectively sleeved with the main gear 22 and the cover gear 25 and are in meshed connection with the two; the pivot arm 23 has a long plate-like structure, shaft holes are formed at both sides of the front and rear ends to connect the main shaft 21 and the cover shaft 26, a guide rail, generally a groove or an embedded structure, is provided at a middle position of the shaft holes at both sides, and a synchronous transmission belt 24B is installed on the guide rail. The pitch circle diameter of the main gear 22 is 1.5 to 2.5 times the pitch circle diameter of the cover gear 25. The mechanism housing 3 covers the rotating arm 23, and forms a relatively closed space with the rotating arm 23, and the cover surface rotating mechanism and the cover body rotating mechanism are both covered in the relatively closed space.
The driving mechanism comprises a motor 28 and a speed reducer unit 29, the triggering input end of the motor 28 is connected with the sensing circuit of the garbage can, the output end of the motor is connected with the speed reducer unit 29, and the output end of the speed reducer unit 29 is connected with the main rotating shaft 21. When the sensing circuit receives a sensing signal, the motor 28 is driven first, the rotating arm 23 is driven to rotate upwards by the speed reducer unit 29 with the axis line of the main rotating shaft 21 as a fulcrum to open the lid body of the barrel cover, during the upward rotation of the rotating arm 23, the synchronous transmission belt 24B in the rotating arm 23 is meshed with the main gear 22 and the lid gear 25 at the same time, and slides downwards relative to the rotating arm 23 and drives the lid gear 25 to rotate anticlockwise under the restriction of the main gear 22, so as to drive the lid surface of the barrel cover 2 to turn over, during the turning over process of the lid surface of the barrel cover 2, the front end 201 of the barrel cover moves backwards in the direction of an arrow, and the rear end 202 of the barrel cover lifts upwards in the direction of the arrow, so. When the sensing signal disappears, the motor 28 rotates reversely to drive the speed reducer unit 29 to rotate reversely, so as to drive the rotating arm 23 to rotate downwards to drive the cover body to close downwards, and at the same time, the synchronous transmission belt 24B in the rotating arm 23 is also limited by the main gear and slides relative to the rotating arm 23 to drive the cover gear 25 to rotate clockwise, so as to drive the cover surface of the barrel cover 2 to turn over backwards, downwards, forwards and upwards, namely the front end 201 of the barrel cover translates towards the arrow in a reverse direction, and the rear end 202 of the barrel cover closes downwards to achieve the closing purpose. The cover closing process and the cover opening process require the opening of the cover body and the overturning of the cover surface, the rotating arm 23 and the main rotating shaft 21 provide the opening of the cover body of the cover in the whole process, and the main gear 22, the synchronous transmission belt 24B and the cover gear 25 and the cover rotating shaft 26 provide the overturning of the cover surface of the cover body so as to achieve the technical purpose of avoiding hand touch, and the two processes are synchronously realized through the interaction of the main gear, the main rotating shaft, the synchronous transmission belt and the rotating arm which are relatively limited.
The parts of the invention not described are the same as the prior art.
The best embodiment is as follows:
referring to fig. 5 to 8, as a tooth surface transmission member in the facing rotation mechanism, there is a rack 24A having plane teeth distributed at both ends and respectively fitted to the main gear 22 and the cover gear 25 to be engaged therewith, and a lower side portion of the rack 24A is located in a guide rail of the rotating arm 23 to be slidable with respect to the rotating arm 23. The length of the flat teeth at the two ends of the rack 24A should be adapted to the circumference of the corresponding gear, while the length of the rack 24A should be such that the flat teeth at the two ends can still be engaged with the corresponding gear without disengaging when the lid is closed and fully opened. The mechanism housing 3 covers the rotating arm 23 to form a relatively closed space with the rotating arm 23, and the cover surface rotating mechanism and the cover body rotating mechanism are both covered in the relatively closed space, wherein the main gear and the main rotating shaft are positioned at the end part of the space and are in a semi-enclosed state. When the sensing circuit receives a sensing signal, the motor 28 drives the rotating arm 23 to rotate upwards by taking the axial lead of the main rotating shaft 21 as a fulcrum through the speed reducer unit 29 to open the lid body of the barrel cover, during the upward rotation of the rotating arm 23, the rack 24A in the rotating arm 23 is simultaneously meshed with the main gear 22 and the lid gear 25, and slides downwards relative to the rotating arm 23 and drives the lid gear 25 to rotate anticlockwise under the restriction of the main gear 22, so as to drive the lid surface of the barrel cover 2 to turn over, during the turning over process of the lid surface of the barrel cover 2, the front end 201 of the barrel cover moves backwards according to the arrow direction, and the rear end 202 of the barrel cover lifts upwards in the arrow direction, so as to achieve the purpose of turning. The closing and opening processes of the barrel cover 2 are opposite, when the rotating arm 23 falls down to close the cover body, the cover surface of the barrel cover 2 is driven to turn back, down, front and up, namely the front end 201 of the barrel cover reversely translates towards an arrow, and the rear end 202 of the barrel cover downwards achieves the purpose of turning over, resetting and closing the barrel cover body.
The present example is the same as example 1 except for the above-mentioned portions.
Claims (6)
1. A garbage bin uncovering mechanism without touching hands comprises an annular cover seat body and a bin cover, wherein the cover seat body is sleeved above a bin body of the garbage bin; the cover surface rotating mechanism comprises a tooth surface transmission part, a main gear sleeved on the main rotating shaft and fixedly connected with the cover seat body, and a cover gear sleeved on the cover rotating shaft and fixedly connected with the cover rotating shaft, wherein two ends of the tooth surface transmission part are respectively in meshed connection with the main gear and the cover gear; the rotating arm is of a long strip-shaped plate structure, shaft holes are formed in the two sides of the front end and the rear end to connect the main rotating shaft and the cover rotating shaft, guide rails are arranged in the middle positions of the shaft holes in the two sides, and the tooth surface transmission piece is mounted on the guide rails; the mechanism shell covers the rotating arm to form a closed space with the rotating arm, and the cover surface rotating mechanism and the cover body rotating mechanism are enclosed in the closed space.
2. The non-touch trash can uncovering mechanism according to claim 1, wherein the tooth surface transmission member is a rack, and two ends of the rack are distributed with plane teeth and respectively matched with the main gear and the cover gear to be meshed with the main gear and the cover gear; the lower side part of the rack is positioned in the guide rail of the rotating arm and can slide relative to the rotating arm.
3. The non-touch trash can uncovering mechanism according to claim 1, wherein the tooth surface transmission member is a synchronous transmission belt, the inner side of the synchronous transmission belt is covered with tooth surfaces, both ends of the synchronous transmission belt are respectively meshed with the cover gear and the main gear, and the belt body of the synchronous transmission belt close to the rotating arm is positioned in the guide rail of the rotating arm and can move relative to the rotating arm.
4. The hands-free trash can cover opening mechanism of claim 1, wherein the diameter of the pitch circle of the main gear is 1.5 times to 2.5 times the diameter of the pitch circle of the cover gear.
5. The hands-free trash can lid opening mechanism of claim 1, wherein the diameter of the pitch circle of the main gear is 2 times the diameter of the pitch circle of the lid gear.
6. The hand-touch-free trash can cover opening mechanism as claimed in claim 1, wherein the driving mechanism comprises a motor and a speed reducing unit, an input end of the motor is connected with an induction circuit of the trash can, an output end of the motor is connected with the speed reducing unit, and an output end of the speed reducing unit is connected with the main rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911059359.5A CN110683257A (en) | 2019-11-01 | 2019-11-01 | Garbage can cover opening mechanism without touching hands |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911059359.5A CN110683257A (en) | 2019-11-01 | 2019-11-01 | Garbage can cover opening mechanism without touching hands |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110683257A true CN110683257A (en) | 2020-01-14 |
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ID=69115240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911059359.5A Pending CN110683257A (en) | 2019-11-01 | 2019-11-01 | Garbage can cover opening mechanism without touching hands |
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| CN (1) | CN110683257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918952A (en) * | 2021-01-26 | 2021-06-08 | 李勇 | Energy-saving and environment-friendly garbage recycling device and recycling method thereof |
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| CN107640482A (en) * | 2017-10-26 | 2018-01-30 | 天津天重中直科技工程有限公司 | A kind of dustbin with new cover-opening structure |
| CN208150222U (en) * | 2018-05-03 | 2018-11-27 | 台山市捷达电器有限公司 | A kind of intelligence turning cover dustbin |
| CN110154594A (en) * | 2019-06-19 | 2019-08-23 | 绘笔教育科技(深圳)有限责任公司 | Graphic rendering device |
| CN211077234U (en) * | 2019-11-01 | 2020-07-24 | 福建纳仕达电子股份有限公司 | Garbage can cover opening mechanism without touching hands |
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| CN112918952A (en) * | 2021-01-26 | 2021-06-08 | 李勇 | Energy-saving and environment-friendly garbage recycling device and recycling method thereof |
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