CN211883675U - Novel home decoration is for kitchen use intelligence wash and drainage device - Google Patents

Novel home decoration is for kitchen use intelligence wash and drainage device Download PDF

Info

Publication number
CN211883675U
CN211883675U CN201921905083.3U CN201921905083U CN211883675U CN 211883675 U CN211883675 U CN 211883675U CN 201921905083 U CN201921905083 U CN 201921905083U CN 211883675 U CN211883675 U CN 211883675U
Authority
CN
China
Prior art keywords
pool
water
belt
chopsticks
blocking box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201921905083.3U
Other languages
Chinese (zh)
Inventor
黄隆豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Badu Photoelectric Technology Co ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201921905083.3U priority Critical patent/CN211883675U/en
Application granted granted Critical
Publication of CN211883675U publication Critical patent/CN211883675U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Brushes (AREA)

Abstract

The utility model provides a novel intelligent cleaning and drainage device for a home decoration kitchen, which comprises a first baffle box welded on the left side of a water tank, a motor embedded in the left upper corner of the first baffle box, a rotating shaft rotatably connected with the front end of the motor, a second baffle box welded on the right side of the water tank, a rotating rod rotatably connected between the front end and the rear end of the second baffle box, a belt surrounding the rotating rod and the rotating shaft, a water outlet arranged in the center of the bottom end of the water tank, an embedded disc embedded in the bottom end of the water outlet, support rods welded on the left side and the right side of the embedded disc, and a rotating disc connected with the middle part of the top end of each support rod, thereby avoiding the need of manually cleaning chopsticks by a user, leading the residual water with larger quality to flow out of the water tank, solving the existing intelligent cleaning and drainage device for a home decoration kitchen, and leading the shape of the chopsticks to, the kitchen wastes with larger mass block the water tank.

Description

Novel home decoration is for kitchen use intelligence wash and drainage device
Technical Field
The utility model relates to an intelligence house technical field specifically is a novel house dress is for kitchen use intelligence wash and drainage device.
Background
The intelligent home is characterized in that a home is used as a platform, facilities related to home life are integrated by utilizing a comprehensive wiring technology, a network communication technology, a safety precaution technology, an automatic control technology and an audio and video technology, and an efficient management system for home facilities and family schedule affairs is constructed.
The existing novel intelligent cleaning and drainage device for the home decoration kitchen is characterized in that chopsticks are necessary tableware in daily eating of Chinese families, the used chopsticks are special in shape, the chopsticks are easy to slip when being cleaned by a user, inconvenience is brought to cleaning work of the user, secondly, kitchen waste is washed out when the chopsticks are cleaned, the baffle is arranged in the existing water tank, the kitchen waste with overlarge quality is not easy to pass through the baffle, the water leakage hole of the baffle is blocked, the baffle needs to be cleaned for a plurality of times by the user, therefore, the chopsticks are rubbed by the groove and the notch, the chopsticks rub with each other, a cleaning agent generates foam, the residual kitchen waste on the chopsticks is cleaned, the kitchen waste remaining in waste water can flow out from the gap between adjacent blades when rotating along with water flow, the knife edge can cut the kitchen waste with larger quality, the quality of the kitchen waste is reduced, the kitchen waste can pass through the water outlet, to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The not enough to prior art, the utility model provides a novel house ornamentation for kitchen use intelligence washs and drainage device, possess and rub with the hands chopsticks through recess and notch, chopsticks looks mutual friction, the cleaner produces the foam, with remaining washing on the chopsticks coming down, remaining kitchen in the waste water can follow the gap outflow between the adjacent blade when rotating along with rivers, can cut the great kitchen of quality surplus in addition, thereby reduce the surplus quality in kitchen, let the kitchen surplus through advantages such as delivery port, the easy landing of current novel house ornamentation for kitchen use intelligence washs and drainage device chopsticks has been solved, the cleaning work of giving the user brings inconveniently, the surplus baffle that is difficult to pass through in quality, lead to the hole that leaks of baffle to block up, the user needs the problem of the washing baffle many times.
Technical scheme
The utility model provides a following technical scheme: the utility model provides a novel house ornamentation is washd with intelligence and drainage device, novel house ornamentation is washd with intelligence and drainage device includes:
the water pool comprises a pool, a first blocking box is welded on the left side of the pool, a motor is embedded in the left upper corner of the interior of the first blocking box, a rotating shaft is rotatably connected to the front end of the motor, a second blocking box is welded on the right side of the pool, a rotating rod is rotatably connected between the front end and the rear end of the interior of the second blocking box, a belt is arranged around the rotating rod and the outer side of the rotating shaft, the belt is respectively arranged in the first blocking box, the pool and the second blocking box in the pool in a penetrating manner, a water receiving pipe is arranged at the bottom of the right side of the interior of the first blocking box and below the belt in a penetrating manner, a supporting plate is welded on the left side of the water receiving pipe, a cotton column is embedded into the top of the supporting plate and is in contact with the belt, at least three bayonets are arranged in parallel at the bottom of the front end of the pool, a track is welded at the bottom of the, the clamping columns are clamped with the clamping openings, at least five notches are uniformly formed in the top end of the tray in parallel, and openings are formed in the front end and the rear end of each notch;
the pond, open at the inside bottom center in pond has the delivery port, and the inside bottom of delivery port has inlayed the dish, inlay the inside left and right sides welding of dish and have had branch, and branch top middle part and rotate and be connected with the carousel, the carousel outward flange is around four at least blades of even fixedly connected with, and all opens rather than edge of a knife as an organic whole in the blade outside.
Further advantage, pond rear end left side below joint has the executor, and the executor comprises singlechip, compiling chip and pulse generator, executor top electric connection has the inductor, and the inductor comprises barrier film oil charge sensor, inductive probe and built-in high performance microprocessor, the inductive probe embedding of inductor sets up in the pond, and runs through at pond top rear side middle part and be provided with the water receiving pipe, the water receiving pipe top is rotated and is connected with tap, and the embedding in water receiving pipe left side is provided with the feedwater motorised valve, feedwater motorised valve all passes through cable and executor electric connection with the motor.
Further advantage, the pivot passes through the motor and drives the belt rotation, and the belt rotates simultaneously the bull stick cooperation and rotates, the belt surface is evenly opened there are ten at least recesses, and the mouth of a river has all been opened at both ends around the recess, the inductive probe position of inductor is less than the belt.
The further advantage, the bayonet socket does not run through in the pond, and the distance of being separated by between tray and the belt is 0.2cm-0.8cm, the baffle shelters from in the card post.
The blade has the further advantages that the blades are arc-shaped, the blades are influenced by water flow impact to rotate, and the distance between every two adjacent blades is at least 2 cm.
It is a further advantage that the width of the pool is at least 47cm and the width of the belt is at least 15 cm.
Advantageous effects
Compared with the prior art, the utility model provides a novel house ornamentation is for kitchen use intelligence wash and drainage device possesses following beneficial effect:
1. this kind of novel house adorns for kitchen use intelligence washs and drainage device, the user inserts in the executor with external power supply, and the water supply motorised valve is opened and is let rivers flow from tap, and on the water accessible mouth of a river that tap flows reachd chopsticks, the motor drives the pivot simultaneously and rotates, and the belt rotates through the pivot, at belt pivoted in-process, can let roll between the chopsticks through the recess, and rub chopsticks with the notch through the recess, chopsticks looks mutual friction, the cleaner produces the foam, come under the remaining washing on the chopsticks, and through the flow that tap lasts, oil stain etc. on the chopsticks all is washed totally, do not need the manual chopsticks that wash of user, improve convenient to use nature.
2. This kind of novel house adorns for kitchen use intelligence washs and drainage device, the waste water that washs in the chopsticks can follow opening flow direction delivery port, the blade receives the impact force of rivers and rotates simultaneously, thereby accelerate the speed that rivers flow, and remaining kitchen in the waste water can follow the gap outflow between the adjacent blade when rotating along with rivers, including the edge of a knife can cut the great kitchen of quality, thereby reduce the surplus quality in kitchen, let the surplus delivery port that passes through in kitchen, prevent that remaining piling up and jam the delivery port, and because rotate between the blade, when chopsticks drop, it can not rotate along with rivers to be rod-shaped chopsticks, thereby chopsticks are not convenient for fall out from the delivery port, the blade hinges chopsticks.
Drawings
FIG. 1 is a schematic view of the interior of the structure of the present invention;
FIG. 2 is an external view of the groove structure of the present invention;
FIG. 3 is an external view of the water pipe structure of the present invention;
FIG. 4 is an external view of the inductor structure of the present invention;
FIG. 5 is an external view of the pallet structure of the present invention;
fig. 6 is an external schematic view of the strut structure of the present invention.
In the figure: 1 water pool, 2 baffle boxes I, 3 baffle boxes II, 4 tracks, 5 baffles, 6 rotating rods, 7 belts, 8 grooves, 9 motors, 10 rotating shafts, 11 water pipes, 12 supporting plates, 13 cotton columns, 14 actuators, 15 sensors, 16 water supply electric valves, 17 water receiving pipes, 18 water taps, 19 supporting plates, 20 clamping columns, 21 notches, 22 openings, 23 water outlets, 24 supporting rods, 25 rotating discs, 26 blades, 27 knife edges, 28 bayonets, 29 embedded discs and 30 water gaps.
Detailed Description
The embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention, which are described in conjunction with the accompanying drawings of the embodiments of the present invention.
Referring to fig. 1 to 6, a novel intelligent washing and draining device for a home kitchen includes:
the pool comprises a pool 1, wherein a first blocking box 2 is welded at the left side of the pool 1, a motor 9 is embedded at the upper left corner inside the first blocking box 2, the front end of the motor 9 is rotatably connected with a rotating shaft 10, a second blocking box 3 is welded at the right side of the pool 1, a rotating rod 6 is rotatably connected between the front end and the rear end inside the second blocking box 3, a belt 7 surrounds the rotating rod 6 and the rotating shaft 10, the belt 7 is respectively arranged inside the first blocking box 2, the pool 1 and the second blocking box 3 in the pool 1 in a penetrating manner, a water pipe 11 is arranged at the right side bottom end inside the first blocking box 2 and below the belt 7 in a penetrating manner, a supporting plate 12 is welded at the left side of the water pipe 11, a cotton column 13 is embedded at the top end of the supporting plate 12, the cotton column 13 is in contact with the belt 7, at least three bayonets 28 are arranged at the bottom of the front end of the pool 1 in a parallel manner, a track 4 is welded at, at least three clamping columns 20 are fixedly connected to the front side of the bottom end of the tray 19 in parallel, the clamping columns 20 are clamped with the clamping ports 28, at least five notches 21 are uniformly formed in the top end of the tray 19 in parallel, openings 22 are formed in the front end and the rear end of each notch 21, when a user uses the water pool 1, the water pool 1 is firstly installed in a table board, a tap water pipeline is connected into the water pipe 11, a waste water pipeline is connected into the bottom end of the water pipe 11 and the bottom end of the water outlet 23 respectively, when the user needs to clean the chopsticks, the chopsticks can be uniformly placed in the tray 19, cleaning agents are uniformly extruded on the chopsticks, the tray 19 penetrates through the water pool 1, the clamping columns 20 are clamped into the clamping ports 28, the user can push the baffle 5 into the track 4, the clamping ports 28 do not penetrate through the water pool 1, the distance between the tray 19 and the belt 7 is 0.2cm-0.8cm, the baffle 5 is shielded on the clamping columns 20, and, the tray 19 is prevented from falling out, the chopsticks are located under the belt 7, the actuator 14 is clamped below the left side of the rear end of the water pool 1, the actuator 14 consists of a single chip microcomputer, a compiling chip and a pulse generator, the top end of the actuator 14 is electrically connected with an inductor 15, the inductor 15 consists of an isolating membrane oil-filled sensor, an induction probe and a built-in high-performance microprocessor, the induction probe of the inductor 15 is embedded in the water pool 1, a water receiving pipe 17 penetrates through the middle of the rear side of the top end of the water pool 1, the top end of the water receiving pipe 17 is rotatably connected with a water tap 18, a water supply electric valve 16 is embedded on the left side of the water receiving pipe 17, the water supply electric valve 16 and a motor 9 are both electrically connected with the actuator 14 through cables, the rotating shaft 10 drives the belt 7 to rotate through the motor 9, the belt 7 rotates and the, and the front and back ends of the groove 8 are provided with water gaps 30, the position of an induction probe of the inductor 15 is lower than that of the belt 7, then a user connects an external power supply into the actuator 14, the actuator 14 simultaneously controls the motor 9, the inductor 15 and the water supply electric valve 16 to be electrified, the water supply electric valve 16 is opened to allow water to flow out of the water tap 18 through the water receiving pipe 17, water flowing out of the water tap 18 can reach the chopsticks through the water gaps 30, the motor 9 drives the rotating shaft 10 to rotate, the belt 7 rotates through the rotating shaft 10, because the distance between the tray 19 and the belt 7 is short, in the rotating process of the belt 7, the chopsticks can be rolled through the groove 8, the chopsticks are rubbed with each other through the groove 8 and the notch 21, the cleaning agent generates foam, the residual cleaning on the chopsticks are cleaned, and oil stains and the like on the chopsticks are cleaned through the continuous flowing of the water tap, the chopsticks are not needed to be cleaned manually by a user, the use convenience is improved, in the rotating process of the belt 7, the bottom end of the belt 7 can enter the retaining box 3 from the water pool 12, residual moisture in the belt 7 can drop into the water pipe 11, waste water is discharged through the water pipe 11, the situation that a large amount of bacteria are bred in the retaining box 2 due to excessive residual moisture in the belt 7 is prevented, water drops in the belt 7 fall behind, water stains on the surface of the belt 7 are wiped through the cotton columns 13, the cleanliness of the belt 7 is further kept, the water flow speed is limited due to the fact that water flows through the water port 30, after the water flows out for a period of time, the situation of accumulated water is easily formed, when excessive water is accumulated at the bottom of the water pool 1, the sensor 15 senses the water level, after the water level exceeds the sensor 15, the sensor 15 reacts to the actuator 14, the electric valve 16 is controlled by the actuator 14 to stop water supply, therefore, water in the water faucet 18 stops flowing out, the situation that the water level exceeds the water level and is immersed in the first baffle box 2 to influence the motor 9 is avoided, the chopsticks are well cleaned in the water accumulation time, a user can pull the baffle 5 to take the chopsticks out of the tray 19, the width of the water pool 1 is at least 47cm, the width of the belt 7 is at least 15cm, the distance between the water pool 1 and the belt 7 is wide, the chopsticks can be directly taken out, and the use of the user is facilitated;
in the embodiment of the water pool 1, the center of the bottom end in the water pool 1 is provided with the water outlet 23, the bottom end in the water outlet 23 is embedded with the embedded disc 29, the left side and the right side in the embedded disc 29 are welded with the supporting rods 24, the middle part of the top end of each supporting rod 24 is rotatably connected with the rotating disc 25, the outer edge of the rotating disc 25 is uniformly and fixedly connected with at least four blades 26 in a surrounding manner, the outer sides of the blades 26 are respectively provided with the knife edges 27 which are integrated with the blades into a whole, waste water cleaned from chopsticks can flow to the water outlet 23 from the opening 22, the blades 26 are in an arc shape, the blades 26 are influenced to rotate by water flow impact, the distance between every two adjacent blades 26 is at least 2cm, meanwhile, the blades 26 rotate under the impact force of water flow, so that the water flow outflow speed is accelerated, the distance between every two adjacent blades 26 is large, the knife edge 27 can cut kitchen waste with larger mass, so that the quality of the kitchen waste is reduced, the kitchen waste can pass through the water outlet 23, the phenomenon that the water outlet 23 is blocked due to residual accumulation is prevented, and rod-shaped chopsticks cannot rotate along with water flow when the chopsticks fall off due to rotation among the blades 26, so that the chopsticks are not convenient to fall out of the water outlet 23, and the chopsticks are hinged out by the blades 26.
The pool 1, the first blocking box 2, the second blocking box 3, the track 4, the baffle 5, the rotating rod 6, the belt 7, the groove 8, the motor 9, the rotating shaft 10, the water pipe 11, the supporting plate 12, the cotton column 13, the actuator 14, the sensor 15, the electric water supply valve 16, the water receiving pipe 17, the faucet 18, the tray 19, the clamping column 20, the notch 21, the opening 22, the water outlet 23, the supporting rod 24, the rotating disc 25, the blade 26, the knife edge 27, the bayonet 28, the embedded disc 29 and the water outlet 30 which are applied in the embodiment can be obtained by market purchase or private customization.
Wherein the utility model discloses in instrument of using:
the actuator is AT89S52-24AU type;
the sensor is LS-2301-;
the water supply electric valve is T961Y model;
the above embodiments are only used for further explanation of the present invention, and it is not understood that the present invention is limited by the protection scope of the present invention, and the technical engineers in the field are right according to the above contents of the present invention.

Claims (6)

1. The utility model provides a novel house ornamentation is intelligent for kitchen use washs and drainage device which characterized in that, novel house ornamentation is intelligent for kitchen use washs and drainage device includes:
the pool (1), a first blocking box (2) is welded on the left side of the pool (1), a motor (9) is embedded in the upper left corner inside the first blocking box (2), the front end of the motor (9) is rotatably connected with a rotating shaft (10), a second blocking box (3) is welded on the right side of the pool (1), a rotating rod (6) is rotatably connected between the front end and the rear end inside the second blocking box (3), a belt (7) surrounds the rotating rod (6) and the rotating shaft (10), the belt (7) is respectively arranged inside the first blocking box (2), the pool (1) and the second blocking box (3) in a penetrating manner, a water pipe (11) is arranged at the bottom end of the right side inside the first blocking box (2) and below the belt (7) in a penetrating manner, a supporting plate (12) is welded on the left side of the water pipe (11), a cotton column (13) is arranged at the top of the supporting plate (12) in an embedding manner, and the cotton column (, the bottom of the front end of the pool (1) is parallelly opened with at least three bayonets (28), the front end of the pool (1) is positioned below the bayonets (28) and welded with a track (4), the track (4) is clamped with a baffle (5), the front end of the pool (1) is positioned above the bayonets (28) and provided with a tray (19) in a penetrating manner, the front side of the bottom end of the tray (19) is fixedly connected with at least three clamping columns (20) in a parallel manner, the clamping columns (20) are clamped with the bayonets (28), the top end of the tray (19) is uniformly opened with at least five notches (21) in a parallel manner, and the front end and the rear end of each notch (21) are opened;
pool (1), open at the inside bottom center in pool (1) has delivery port (23), and delivery port (23) inside bottom scarf joint has set (29) of inlaying, set (29) inside left and right sides welding has branch (24), and branch (24) top middle part rotates and is connected with carousel (25), carousel (25) outward flange is to encircle four at least blades (26) of even fixedly connected with, and blade (26) outside all open rather than edge of a knife (27) as an organic whole.
2. The novel intelligent household kitchen washing and draining device as claimed in claim 1, characterized in that: pond (1) rear end left side below joint has executor (14), and executor (14) comprise singlechip, compiling chip and pulse generator, executor (14) top electric connection has inductor (15), and inductor (15) constitute by barrier film oil charge sensor, inductive probe and built-in high performance microprocessor, the inductive probe embedding of inductor (15) sets up in pond (1), and runs through in pond (1) top rear side middle part and be provided with water receiving pipe (17), water receiving pipe (17) top rotation is connected with tap (18), and water receiving pipe (17) left side embedding is provided with feedwater motorised valve (16), feedwater motorised valve (16) all pass through cable and executor (14) electric connection with motor (9).
3. The novel intelligent household kitchen washing and draining device as claimed in claim 2, characterized in that: pivot (10) drive belt (7) through motor (9) and rotate, and belt (7) rotate and bull stick (6) cooperation is rotated simultaneously, belt (7) surface is evenly opened has ten at least recess (8), and all opens mouth of a river (30) at both ends around recess (8), the inductive probe position of inductor (15) is less than belt (7).
4. The novel intelligent household kitchen washing and draining device as claimed in claim 1, characterized in that: the bayonet (28) does not penetrate through the water pool (1), the distance between the tray (19) and the belt (7) is 0.2cm-0.8cm, and the baffle (5) is shielded on the clamping column (20).
5. The novel intelligent household kitchen washing and draining device as claimed in claim 1, characterized in that: the blades (26) are arc-shaped, the blades (26) are influenced by water flow impact to rotate, and the distance between every two adjacent blades (26) is at least 2 cm.
6. The novel intelligent household kitchen washing and draining device as claimed in claim 1, characterized in that: the width of the pool (1) is at least 47cm, and the width of the belt (7) is at least 15 cm.
CN201921905083.3U 2019-11-05 2019-11-05 Novel home decoration is for kitchen use intelligence wash and drainage device Expired - Fee Related CN211883675U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921905083.3U CN211883675U (en) 2019-11-05 2019-11-05 Novel home decoration is for kitchen use intelligence wash and drainage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921905083.3U CN211883675U (en) 2019-11-05 2019-11-05 Novel home decoration is for kitchen use intelligence wash and drainage device

Publications (1)

Publication Number Publication Date
CN211883675U true CN211883675U (en) 2020-11-10

Family

ID=73285160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921905083.3U Expired - Fee Related CN211883675U (en) 2019-11-05 2019-11-05 Novel home decoration is for kitchen use intelligence wash and drainage device

Country Status (1)

Country Link
CN (1) CN211883675U (en)

Similar Documents

Publication Publication Date Title
CN104224074B (en) Water tank cleaner
CN106013321B (en) A kind of family's water treatment facilities
CN208406215U (en) A kind of drawer-type filtering device
CN211883675U (en) Novel home decoration is for kitchen use intelligence wash and drainage device
CN103769409B (en) Be provided with the food refuse separated and collected device of automation function
CN108207643A (en) A kind of automatic scraping excrement flusher based on ring and scrape excrement purging method
CN207861101U (en) A kind of dustbin of automated cleaning autodeposition separation storage rubbish
CN207204708U (en) A kind of bearing automatic flushing device
CN211324819U (en) Dish-washing machine for restaurant
CN112089367A (en) Floor cleaning system and electric mop cleaning method
CN209442768U (en) A kind of Industrial Waste Water Treatments filter device
CN207911687U (en) A kind of automatic scraping excrement flusher based on ring
CN216584535U (en) Factory water resource recycling sewage treatment equipment
CN211932470U (en) Fruit and vegetable cleaning device convenient to store and take for catering
CN212213675U (en) Novel dish washing machine
CN2452445Y (en) Apparatus for washing mop
CN206963946U (en) A kind of vegetable cleaning sorter
CN209114555U (en) A kind of scullery basin with grease separation function
CN108888218B (en) household dish washing machine
CN111074981A (en) Double-water-tank vegetable washing device and method special for kitchen
CN205935165U (en) Stifled floor drain is prevented in easy clearance
CN108077386A (en) Frozen pork cleaning device
CN204273171U (en) A kind of beet washer with upper and lower drain function
CN210263259U (en) Anti-blocking water tank
CN213805658U (en) Wash platform with tealeaves filter equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210120

Address after: Room 1701, tower 2, Shenye Jinyuan Building, No. 112, Qingshuihe 1st Road, Qingshuihe community, Qingshuihe street, Luohu District, Shenzhen, Guangdong 518000

Patentee after: Shenzhen Badu Photoelectric Technology Co.,Ltd.

Address before: No. 56, wendoubu village, BEIXIANG, Xuwen County, Zhanjiang City, Guangdong Province, 524199

Patentee before: Huang Longhao

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201110