CN106677287B - A kind of cleaning plant of Cylindrical filter frame - Google Patents
A kind of cleaning plant of Cylindrical filter frame Download PDFInfo
- Publication number
- CN106677287B CN106677287B CN201610978516.2A CN201610978516A CN106677287B CN 106677287 B CN106677287 B CN 106677287B CN 201610978516 A CN201610978516 A CN 201610978516A CN 106677287 B CN106677287 B CN 106677287B
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- China
- Prior art keywords
- suction nozzle
- plate
- wiping
- unit
- support plate
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/26—Object-catching inserts or similar devices for waste pipes or outlets
- E03C1/264—Separate sieves or similar object-catching inserts
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a kind of cleaning plant of Cylindrical filter frame, cleaning plant is suitable for common Cylindrical filter frame；Cleaning plant includes support plate, regulating device and wiping device；Absorption plant is integrated in support plate；Regulating device is used to adjust the wiping range for wiping device；Cleaning plant can clear up sundries in filter frame inner sidewall and filter hole in the case where not taking out filter frame.The adjustable wiping range for wiping device of regulating device of the invention, the length for wiping of device itself is adjustable, and the suction nozzle unit of absorption plant can be adjusted together in company with device is wiped, and greatly improves the scope of application of cleaning plant in this way.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to a kind of cleaning plant of Cylindrical filter frame.
Background technique
The inlet for handling the sewer of sanitary sewage, is generally secured to form the filter frame of filter hole, to filter dirt
House refuse in water, avoids sewer pipes from blocking；General filter frame top opening and cylindrical, the side of filter frame
Several filter hole are opened up on wall, need to take out filter frame individually cleaning when generally clearing up, more troublesome in this way and filter frame meeting
The case where losing, so filter frame is preferably positioned to without taking out.
Summary of the invention
The present invention in view of the above technical problems, provides a kind of cleaning plant of Cylindrical filter frame that cleaning is fixed.
In order to achieve the above objectives, the present invention provides a kind of cleaning plants of Cylindrical filter frame, including support plate, adjusting
Device and wiping device；
Support plate is cylindrical plate；Perforative suction hole up and down is formed at the upper surface center of support plate；Support plate it is upper
End face uniformly forms several perforative rectangular-shaped upper guide holes up and down；Several upper guide holes are with the Pivot axle of support plate
Center angularly dissipates；The lower end surface of support plate forms several rectangular-shaped lower guide channels；Several lower guide channels are with support plate
It is angularly dissipated centered on Pivot axle；Upper guide hole is identical with lower guide channel quantity and is spaced apart from each other distribution；Upper guide hole is led under
The length of slot is identical；The side wall in the outside of upper guide hole is at a distance from the Pivot axle of support plate greater than the side in the outside of lower guide channel
Wall is at a distance from the Pivot axle of support plate；Suction line is fixed at vertically in the suction hole of support plate；
Regulating device includes adjustable plate and several pilot units；The cylinder of adjusting nut is fixed with centered on adjustable plate
Plate；Adjustable plate forms several perforative guiding arc grooves up and down；Adjustable plate is screwed on suction hole by adjusting nut；Guiding
Unit includes adjusting guide cylinder, limit square column and guiding connecting plate；The upper surface of limit square column is fixed with adjusting guide cylinder；
The end face for limiting the inside of square column is vertically and fixedly provided with guiding connecting plate；Pilot unit is arranged by limiting square column and sliding in upper guide hole
In；The adjusting guide cylinder of pilot unit is plugged in the guiding arc groove of adjustable plate；It is oriented to connecting plate in obtuse angle；Guiding connection
Plate offers the connecting hole of upper and lower perforative long hole shape；
Device is wiped to include several wiping units and slide connection unit；Sliding connection unit includes rectangular sliding connection
Block and slide cylinder；It wipes unit and slides link block and practiced integrally by sliding cylinder；The link block that slides for wiping device is slided
Row is arranged in lower guide channel；Cylindrical slid is slided to be arranged in the connecting hole of guiding connecting plate；
It wipes and is uniformly fixed with several bristles on the outer surface of unit.
As a preferred embodiment of the above technical solution, wiping unit includes upper wiping arc plate and lower wiping arc plate；Upper wiping
Arc plate is identical with the lower radian for wiping arc plate；Lower wiping arc plate vertical sliding be arranged on upper wiping arc plate and under
Wiping arc plate can not be detached from by wiping arc plate；Outer suction nozzle unit is fixed on the lower inner cylinder face for wiping arc plate；Outer suction
Horizontal hollow in the middle part of mouth unit；The lower end surface of outer suction nozzle unit forms several outer suction nozzle holes；
Suction line lower end, which is fixed with, slides connector sleeve；It slides vertical sliding on connector sleeve and is provided with suction nozzle unit；Suction nozzle
Unit includes vertical hollow in the middle part of center suction nozzle and several interior suction nozzle unit center suction nozzles；Center suction nozzle vertical sliding is arranged in cunning
On row connector sleeve and center suction nozzle can not be detached from and slide connector sleeve；Horizontal hollows and uniformly solid in the middle part of several interior suction nozzle units
It is scheduled on the external cylindrical surface of center suction nozzle；The lower end surface of interior suction nozzle unit forms several interior suction nozzle aperture；In interior suction nozzle unit
Empty position is connected to the hollow part of center suction nozzle；Center suction nozzle slides connector sleeve and is connected to suction line；Suction line it is upper
End is connect with air extractor；
Interior suction nozzle unit sleeve is in outer suction nozzle unit.
As a preferred embodiment of the above technical solution, the quantity for wiping device is identical as the quantity of pilot unit, pilot unit
Quantity is identical as the guiding quantity of arc groove.
As a preferred embodiment of the above technical solution, the diameter of the interior suction nozzle aperture of interior suction nozzle unit is greater than the outer suction of outer suction nozzle unit
The diameter of nozzle aperture.
As a preferred embodiment of the above technical solution, driving handle is fixed on the external cylindrical surface on the top of suction line；Driving
Handle is in the L-type lain on one's side；Hemispherical is shaped at the top of driving handle.
The beneficial effects of the present invention are：The adjustable wiping range for wiping device of regulating device, wipes the sheet of device
The length of body is adjustable, and the suction nozzle unit of absorption plant can be adjusted together in company with device is wiped, and greatly improves in this way
The scope of application of cleaning plant.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram that support plate 10 and suction line 11 of the invention integrate；
Fig. 3 is the structural schematic diagram of adjustable plate 21 of the invention；
Fig. 4 is the structural schematic diagram of the vertical view of support plate 10 of the invention；
Fig. 5 is the structural schematic diagram of support plate 10 of the invention looked up；
Fig. 6 is the structural schematic diagram of suction line 11 of the invention；
Fig. 7 is the structural schematic diagram for wiping the section that device 30 and pilot unit 22 integrate of the invention；
Fig. 8 is the structural schematic diagram of section of the invention；
In figure, 10, support plate；100, upper guide hole；101, suction hole；102, lower guide channel；11, suction line；110, it drives
Handle；111, connector sleeve is slided；112, suction nozzle unit；1120, center suction nozzle；1121, interior suction nozzle unit；11210, interior suction nozzle
Hole；20, regulating device；21, adjustable plate；210, adjusting nut；211, it is oriented to arc groove；22, pilot unit；221, guiding is adjusted
Cylinder；222, square column is limited；223, it is oriented to connecting plate；2230, connecting hole；30, device is wiped；31, upper wiping arc plate；311,
Slide link block；312, cylinder is slided；32, lower wiping arc plate；33, outer suction nozzle unit.
Specific embodiment
As shown in Figure 1, a kind of cleaning plant of Cylindrical filter frame, including support plate 10, regulating device 20 and wiping dress
Set 30；
As shown in fig. 1~fig. 5, support plate 10 is cylindrical plate；It forms at the upper surface center of support plate 10 and runs through up and down
Suction hole 101；The upper surface of support plate 10 uniformly forms several perforative rectangular-shaped upper guide holes 100 up and down；Several
Upper guide hole 100 is angularly dissipated centered on the Pivot axle of support plate 10；The lower end surface of support plate 10 forms several squares
The lower guide channel 102 of shape；Several lower guide channels 102 are angularly dissipated centered on the Pivot axle of support plate 10；Upper guide hole
100 is identical with 102 quantity of lower guide channel and be spaced apart from each other distribution；Upper guide hole 100 is identical with the length of lower guide channel 102；Upper guide hole 100
Outside side wall at a distance from the Pivot axle of support plate 10 greater than the side wall and support plate 10 in the outside of lower guide channel 102
The distance of Pivot axle；Suction line 11 is fixed at vertically in the suction hole 101 of support plate 10；
As shown in FIG. 1 to FIG. 7, regulating device 20 includes adjustable plate 21 and several pilot units 22；Centered on adjustable plate 21
Place is fixed with the cylindrical plate of adjusting nut 210；Adjustable plate 21 forms several perforative guiding arc grooves 211 up and down；Adjustable plate
21 are screwed on suction hole 101 by adjusting nut 210；Pilot unit 22 includes adjusting guide cylinder 221, limit square column 222
With guiding connecting plate 223；The upper surface of limit square column 222, which is fixed with, adjusts guide cylinder 221；Limit the inside of square column 222
End face is vertically and fixedly provided with guiding connecting plate 223；Pilot unit 22 is arranged in upper guide hole 100 by limiting square column 222 and sliding；It leads
In the guiding arc groove 211 for being plugged in adjustable plate 21 to the adjusting guide cylinder 221 of unit 22；It is oriented to connecting plate 223 in obtuse angle；
Guiding connecting plate 223 offers the connecting hole 2230 of upper and lower perforative long hole shape；
As shown in Figure 1, Figure 2, it shown in Fig. 7, Fig. 8, wipes device 30 and includes several wiping units and slide connection unit；The company of sliding
Order member includes rectangular sliding link block 311 and sliding cylinder 312；It wipes unit and slides link block 311 by sliding circle
Column 312 is practiced integral；The link block 311 that slides for wiping device 30 slides setting in lower guide channel 102；Slide the sliding of cylinder 312
It is arranged in the connecting hole 2230 of guiding connecting plate 223；
It wipes and is uniformly fixed with several bristles on the outer surface of unit.
As shown in Figure 1, Figure 2, shown in Fig. 7, wiping unit includes upper wiping arc plate 31 and lower wiping arc plate 32；Upper wiping circle
Arc plate 31 is identical with the lower radian for wiping arc plate 32；Lower 32 vertical sliding of wiping arc plate is arranged on upper wiping arc plate 31
And lower wiping arc plate 32, which can not be detached from, wipes arc plate 31；Outer suction is fixed on the lower inner cylinder face for wiping arc plate 32
Mouth unit 33；Outer 33 middle part horizontal hollow of suction nozzle unit；The lower end surface of outer suction nozzle unit 33 forms several outer suction nozzle holes；
As shown in Figure 1, Figure 2, shown in Fig. 7,11 lower end of suction line, which is fixed with, slides connector sleeve 111；It slides and is erected on connector sleeve 111
Straight sliding is provided with suction nozzle unit 112；Suction nozzle unit 112 includes that center suction nozzle 1120 and several 1121 centers of interior suction nozzle unit are inhaled
1120 middle part of mouth is vertical hollow；Suction nozzle 1120 vertical sliding in center is arranged on sliding connector sleeve 111 and center suction nozzle 1120
It can not be detached from and slide connector sleeve 111；Several 1121 middle part horizontal hollows of interior suction nozzle unit and uniformly it is fixed on center suction nozzle
On 1120 external cylindrical surface；The lower end surface of interior suction nozzle unit 1121 forms several interior suction nozzle aperture 11210；Interior suction nozzle unit 1121
Hollow part be connected to the hollow part of center suction nozzle 1120；Center suction nozzle 1120 slides connector sleeve 111 and suction line 11
Connection；The upper end of suction line 11 is connect with air extractor；
As shown in Figure 1, interior 1121 sleeve of suction nozzle unit is in outer suction nozzle unit 33.
As shown in Figure 1 and Figure 2, the quantity for wiping device 30 is identical as the quantity of pilot unit 22, the quantity of pilot unit 22
It is identical as the guiding quantity of arc groove 211.
The diameter of the interior suction nozzle aperture 11210 of interior suction nozzle unit 1121 is greater than the diameter in the outer suction nozzle hole of outer suction nozzle unit 33.
As shown in Fig. 1, Fig. 6, driving handle 110 is fixed on the external cylindrical surface on the top of suction line 11；Driving handle
110 in the L-type lain on one's side；The top of driving handle 110 is shaped to hemispherical.
The working principle of cleaning plant is as follows：
Cleaning plant is inserted into Cylindrical filter frame first, then by rotating adjusting nut 210, drives adjustable plate
21 rotations；The rotation of adjustable plate 21 is driven by guiding arc groove 211 and adjusts guide cylinder 221, is adjusted guide cylinder 221 and is driven
Square column 222 is limited along the outside Slideslip of upper guide hole 100, all 222 end face outsides of limit square column can encounter Cylindrical filter at this time
The inner sidewall of frame thus can make cleaning plant placed in the middle, and limit square column 222 is pulled by guiding connecting plate 223 and wipes device 30
Several wiping units slid in and out along lower guide channel 102, due to be oriented to connecting plate 223 presence, when limit 222 outboard end of square column
When face can encounter the inner sidewall of Cylindrical filter frame, the shaving for wiping unit can also be contradicted on the inner sidewall of filter frame, then
Suction line 11 is driven to rotate by driving handle 110, suction line 11 drives entire cleaning plant to rotate by support plate 10,
The shaving for wiping unit in this way will wipe the inner sidewall of Cylindrical filter frame, and sundries can be fallen under Cylindrical filter frame
Portion, starts extractor fan at this time, and sundries can be sucked out by suction nozzle unit 112, outer suction nozzle unit 33 and suction line 11, finally erect
It is straight to take out cleaning plant；
Lower wiping arc plate 32 due to wiping unit is slidably arranged on upper wiping arc plate 31, interior suction nozzle unit 1121
In outer suction nozzle unit 33, suction nozzle unit 112 is movably arranged on to slide on connector sleeve 111 sleeve, is inserted into this way in cleaning plant
In the process, the lower arc plate 32 that wipes can encounter the bottom surface of Cylindrical filter frame, lower wiping arc plate 32 and upper wiping arc plate 31
Overall length can shorten to adapt to the depth of Cylindrical filter frame, while interior suction nozzle unit 112 is under the drive of outer suction nozzle unit 33
It is sliding on sliding connector sleeve 111.
The above content is only better embodiment of the invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to this hair
Bright limitation.
Claims (4)
1. a kind of cleaning plant of Cylindrical filter frame, including support plate (10), regulating device (20) and wiping device (30)；
It is characterized in that：Support plate (10) is cylindrical plate；Perforative suction up and down is formed at the upper surface center of support plate (10)
Stomata (101)；The upper surface of support plate (10) uniformly forms several perforative rectangular-shaped upper guide holes (100) up and down；It is several
Upper guide hole (100) angularly dissipated centered on the Pivot axle of support plate (10)；The lower end surface of support plate (10) forms
There are several rectangular-shaped lower guide channels (102)；Several lower guide channels (102) are using the Pivot axle of support plate (10) as center isogonism
Degree diverging；Upper guide hole (100) is identical with lower guide channel (102) quantity and is spaced apart from each other distribution；Upper guide hole (100) and lower guide channel
(102) length is identical；The side wall in the outside of upper guide hole (100) is led under being greater than at a distance from the Pivot axle of support plate (10)
The side wall in the outside of slot (102) is at a distance from the Pivot axle of support plate (10)；Suction line (11) is fixed at vertically
In the suction hole (101) of support plate (10)；
Regulating device (20) includes adjustable plate (21) and several pilot units (22)；Adjustable plate is fixed with adjusting centered on (21)
The cylindrical plate of nut (210)；Adjustable plate (21) forms several perforative guiding arc grooves (211) up and down；Adjustable plate (21) is logical
Nut (210) is overregulated to be screwed on suction hole (101)；Pilot unit (22) includes adjusting guide cylinder (221), limit square column
(222) and connecting plate (223) are oriented to；The upper surface of limit square column (222), which is fixed with, adjusts guide cylinder (221)；Limit square column
(222) end face of inside is vertically and fixedly provided with guiding connecting plate (223)；Pilot unit (22) is slided by limiting square column (222)
It is arranged in upper guide hole (100)；The adjusting guide cylinder (221) of pilot unit (22) is plugged in the guiding arc of adjustable plate (21)
In slot (211)；It is oriented to connecting plate (223) in obtuse angle；Guiding connecting plate (223) offers the connecting hole of upper and lower perforative long hole shape
(2230)；
Device (30) are wiped to include several wiping units and slide connection unit；Sliding connection unit includes rectangular sliding connection
It block (311) and slides cylinder (312)；It wipes unit and slides link block (311) and be connected by sliding cylinder (312)；It scrapes
The link block (311) that slides for wiping device (30) slides setting in lower guide channel (102)；It slides cylinder (312) and is slidably arranged in and lead
Into the connecting hole (2230) of connecting plate (223)；
It wipes and is uniformly fixed with several bristles on the outer surface of unit；
Wiping unit includes upper wiping arc plate (31) and lower wiping arc plate (32)；Upper wiping arc plate (31) and lower wiping circle
The radian of arc plate (32) is identical；Lower wiping arc plate (32) vertical sliding is arranged on upper wiping arc plate (31) and lower wiping
Arc plate (32), which can not be detached from, wipes arc plate (31)；Outer suction nozzle list is fixed on the lower inner cylinder face for wiping arc plate (32)
First (33)；Horizontal hollow in the middle part of outer suction nozzle unit (33)；The lower end surface of outer suction nozzle unit (33) forms several outer suction nozzle holes；
Suction line (11) lower end, which is fixed with, slides connector sleeve (111)；It slides vertical sliding on connector sleeve (111) and is provided with suction nozzle
Unit (112)；Suction nozzle unit (112) includes center suction nozzle (1120) and several interior suction nozzle units (1121), center suction nozzle
(1120) middle part is vertical hollow；Suction nozzle (1120) vertical sliding in center is arranged on sliding connector sleeve (111) and center suction nozzle
(1120) it can not be detached from and slide connector sleeve (111)；It horizontal hollows and is uniformly fixed in the middle part of several interior suction nozzle units (1121)
On the external cylindrical surface of center suction nozzle (1120)；The lower end surface of interior suction nozzle unit (1121) forms several interior suction nozzle aperture (11210)；
The hollow part of interior suction nozzle unit (1121) is connected to the hollow part of center suction nozzle (1120)；Center suction nozzle (1120) slides
Connector sleeve (111) is connected to suction line (11)；
Interior suction nozzle unit (1121) sleeve is in outer suction nozzle unit (33).
2. a kind of cleaning plant of Cylindrical filter frame according to claim 1, it is characterised in that：Wipe device (30)
Quantity is identical as the quantity of pilot unit (22), and the quantity of pilot unit (22) is identical as the guiding quantity of arc groove (211).
3. a kind of cleaning plant of Cylindrical filter frame according to claim 1, it is characterised in that：Interior suction nozzle unit
(1121) diameter of interior suction nozzle aperture (11210) is greater than the diameter in the outer suction nozzle hole of outer suction nozzle unit (33).
4. a kind of cleaning plant of Cylindrical filter frame according to claim 1, it is characterised in that：Suction line (11)
Driving handle (110) are fixed on the external cylindrical surface on top；Driving handle (110) is in the L-type lain on one's side；Driving handle (110)
Top is shaped to hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978516.2A CN106677287B (en) | 2016-11-08 | 2016-11-08 | A kind of cleaning plant of Cylindrical filter frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978516.2A CN106677287B (en) | 2016-11-08 | 2016-11-08 | A kind of cleaning plant of Cylindrical filter frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106677287A CN106677287A (en) | 2017-05-17 |
| CN106677287B true CN106677287B (en) | 2018-11-16 |
Family
ID=58839328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610978516.2A Expired - Fee Related CN106677287B (en) | 2016-11-08 | 2016-11-08 | A kind of cleaning plant of Cylindrical filter frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677287B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779171B (en) * | 2022-11-28 | 2024-08-06 | 中国人民解放军联勤保障部队第九二三医院 | Antithrombotic pipeline |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07323218A (en) * | 1994-05-30 | 1995-12-12 | Sumitomo Heavy Ind Ltd | Filter |
| JP2012192317A (en) * | 2011-03-15 | 2012-10-11 | Tlv Co Ltd | Strainer |
| CN202809824U (en) * | 2012-09-24 | 2013-03-20 | 李继宽 | Anti-blocking system of drainage pipeline |
| CN204261429U (en) * | 2014-11-07 | 2015-04-15 | 南通海景船舶压载水处理系统股份有限公司 | Brush turbine is from clear filter core |
| CN104984963A (en) * | 2015-07-15 | 2015-10-21 | 季德贵 | Round barrel body inner-wall cleaner |
| CN205473111U (en) * | 2015-12-31 | 2016-08-17 | 新疆万邦太信环境科技有限公司 | Medical wastewater processing apparatus |
-
2016
- 2016-11-08 CN CN201610978516.2A patent/CN106677287B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07323218A (en) * | 1994-05-30 | 1995-12-12 | Sumitomo Heavy Ind Ltd | Filter |
| JP2012192317A (en) * | 2011-03-15 | 2012-10-11 | Tlv Co Ltd | Strainer |
| CN202809824U (en) * | 2012-09-24 | 2013-03-20 | 李继宽 | Anti-blocking system of drainage pipeline |
| CN204261429U (en) * | 2014-11-07 | 2015-04-15 | 南通海景船舶压载水处理系统股份有限公司 | Brush turbine is from clear filter core |
| CN104984963A (en) * | 2015-07-15 | 2015-10-21 | 季德贵 | Round barrel body inner-wall cleaner |
| CN205473111U (en) * | 2015-12-31 | 2016-08-17 | 新疆万邦太信环境科技有限公司 | Medical wastewater processing apparatus |
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| Publication number | Publication date |
|---|---|
| CN106677287A (en) | 2017-05-17 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180929 Address after: 210000 Rui Yun Road, Pearl River Industrial Zone, Jiangpu street, Pukou District, Nanjing, Jiangsu, 3-66 Applicant after: Nanjing no old village tourism development Co., Ltd. Address before: 523000 201D, 2 / F, building 11, innovation and Technology Park, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong Applicant before: Dongguan Tianhe electromechanical Development Co. Ltd. |
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Address after: No. 10 Fenghuang Street, Jiangpu Street, Nanjing City, Jiangsu Province, 210000 Patentee after: Nanjing no old village tourism development Co., Ltd. Address before: 210000 Rui Yun Road, Pearl River Industrial Zone, Jiangpu street, Pukou District, Nanjing, Jiangsu, 3-66 Patentee before: Nanjing no old village tourism development Co., Ltd. |
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| 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: 20181116 Termination date: 20201108 |