CN208878255U - Air cleaning unit - Google Patents

Air cleaning unit Download PDF

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Publication number
CN208878255U
CN208878255U CN201820967475.1U CN201820967475U CN208878255U CN 208878255 U CN208878255 U CN 208878255U CN 201820967475 U CN201820967475 U CN 201820967475U CN 208878255 U CN208878255 U CN 208878255U
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China
Prior art keywords
fixedly connected
cap assemblies
air
rotating
air inlet
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CN201820967475.1U
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Chinese (zh)
Inventor
孙淼
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Jiangsu Youdu Biotechnology Co ltd
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Individual
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Abstract

The utility model relates to a kind of purification devices, more particularly to a kind of air cleaning unit, including rotating inlet cap assemblies, purifying tube, air inlet control assembly, driving pulley assembly and precipitating exhaust box assembly, the rotating inlet cap assemblies, which are rotatably assorted, is connected to the top of purifying tube;The lower end of the air inlet control assembly is fixedly connected on the centre inside purifying tube, and the upper end of air inlet control assembly is pierced by rotating inlet cap assemblies, and air inlet control assembly, which is rotatably assorted, is connected to the centre of rotating inlet cap assemblies;The upper end transmission connection driving pulley assembly of the air inlet control assembly;After air inlet control assembly connection power supply and unlatching inside the utility model, rotating inlet cap assemblies can carry out absorption collection to the air of multiple directions simultaneously, and carry out primary filtration, and rotating inlet cap assemblies can be rotated under the drive of driving pulley assembly, rotating inlet cap assemblies can make the absorption of air without dead angle when rotating, improve filter effect.

Description

Air cleaning unit
Technical field
The utility model relates to a kind of purification devices, more particularly to a kind of air cleaning unit.
Background technique
There is can not be drawn simultaneously to the air of multiple directions when in use for air cleaning unit in the prior art The problem of purification, and the filter device replacement not easy to disassemble inside air cleaning unit in the prior art;Such as patent application Number for the dedusting and purifying device in a kind of Cosmetic Manufacture equipment of CN201720437595.6, including cabinet, box house be Hollow structure, hollow structure are internally provided with dust-extraction unit and purification device, and purification device includes filtering meshes and active carbon layer, Box house is provided with air blower and ventilation fan, and ventilation fan is connected to motor, and ventilation fan is fixed by screws in the inner wall of cabinet On, box house is provided with muffler, and dust-extraction unit is specially cyclone dust collectors, and cyclone dust collectors include air inlet and outlet Mouthful, cabinet two sides are respectively arranged with air intake and air outlet slit, and the intersection of air intake and cabinet is provided with drying sheet, case Body surface face is provided with heat release hole, and gas outlet is connected to by pipeline with air outlet slit.But the utility model when in use there is The problem of air of multiple directions can not being drawn and be purified, and the poor filtration effect of the utility model, filter efficiency are low.
Utility model content
The purpose of the utility model is to provide a kind of air cleaning units, can effectively solve the problems of the prior art; After air inlet control assembly connection power supply and unlatching inside the utility model, rotating inlet cap assemblies can be simultaneously to multiple directions Air carry out absorption collection, and carry out primary filtration, and rotating inlet cap assemblies can under the drive of driving pulley assembly into Row rotation, rotating inlet cap assemblies can make the absorption of air without dead angle, improve the filter efficiency and filtering of air when rotating Effect.
The purpose of this utility model is achieved through the following technical solutions:
Air cleaning unit, including rotating inlet cap assemblies, purifying tube, air inlet control assembly, driving pulley assembly and precipitating It is vented box assembly, the rotating inlet cap assemblies, which are rotatably assorted, is connected to the top of purifying tube;Under the air inlet control assembly End is fixedly connected on the centre inside purifying tube, and the upper end of air inlet control assembly is pierced by rotating inlet cap assemblies, air inlet control group Part, which is rotatably assorted, is connected to the centre of rotating inlet cap assemblies;The upper end transmission connection driving wheel group of the air inlet control assembly The lower end of part, driving pulley assembly is fixedly connected on the outer end of purifying tube;The driving pulley assembly transmission connection rotating inlet lid group Part;The bottom end of the purifying tube is fixedly connected and is connected to precipitating exhaust box assembly.
The air inlet control assembly includes thwart, driving motor, motor cabinet, fan shaft, supply fan and drive sprocket; The both ends of the thwart are fixedly connected on the centre inside purifying tube, and driving motor is fixedly connected on thwart by motor cabinet On;The output end of the driving motor connects fan shaft by shaft coupling, and fan shaft is rotatably connected on horizontal seat by rolling bearing units On plate;Supply fan is fixedly connected on the lower end of fan shaft, and the upper end of thwart is arranged in supply fan;Drive sprocket is fixed to be connected It connects on the top of fan shaft;The upper end of fan shaft is rotatably connected on rotating inlet cap assemblies by rolling bearing units, drive sprocket The upper end of rotating inlet cap assemblies is set.
The driving pulley assembly includes by movable sprocket, transmission gear, transmission shaft and axle bed plate;It is described that chain is passed through by movable sprocket Item connects drive sprocket, is from top to bottom fixedly connected on transmission shaft by movable sprocket and transmission gear, the bottom end of transmission shaft passes through Rolling bearing units are rotatably connected on axle bed plate, and axle bed plate is fixedly connected on the outer end of purifying tube;The transmission gear engagement connection Rotating inlet cap assemblies.
The rotating inlet cap assemblies include intake cover ontology, outer gear ring, more intake elbows and multiple just filter cylinders;It is described The lower end of the lateral surface of intake cover ontology is rotatably connected on the upper end on the inside of purifying tube by rolling bearing units;The intake cover ontology The upper upper end on the inside of the multiple air inlets of setting, air inlet is fixedly connected with and is connected to intake elbow, the lower end on the inside of air inlet It is connected through a screw thread just filter cylinder;The inside of the just filter cylinder is fixedly connected with activated carbon adsorption filtering meshes;The intake cover ontology Outer end be fixedly connected with outer gear ring, outer gear ring engagement connection transmission gear.
Activated carbon adsorption layer is fixedly connected on the inner wall of the purifying tube.
The precipitating exhaust box assembly includes settling tank ontology, appendix, the water inlet pipe with control valve, has control Drainpipe, exhaust pipe and the dehumidification cylinder of valve;Appendix is equipped with more, and the upper end of more appendixs is fixedly connected and is connected to purification Cylinder, the middle-end of more appendixs are sealedly and fixedly connected on settling tank ontology, and the lower end of more appendixs is inserted into settling tank sheet In the precipitated liquid in internal portion;The upper end of settling tank ontology left side is fixedly connected with and is connected to water inlet pipe, settling tank ontology right side Lower end be fixedly connected and communicated drainage pipe;The upper end of settling tank ontology right side is fixedly connected with and is connected to one end of exhaust pipe, The other end of exhaust pipe is fixedly connected and is connected to dehumidification cylinder;The inside of the dehumidification cylinder is fixedly connected with demisting cotton.
The utility model has the beneficial effects that after the air inlet control assembly inside the utility model connects power supply and opens, rotation It rotates into gas cap assemblies and can while absorption collection be carried out to the air of multiple directions, and carry out primary filtration, and rotating inlet lid Component can be rotated under the drive of driving pulley assembly, and rotating inlet cap assemblies can make the absorption nothing of air when rotating The filter efficiency and filter effect of air are improved in dead angle.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the schematic cross-sectional view of the utility model;
Fig. 3 is the structural schematic diagram one of the utility model internal rotating air inlet cap assemblies;
Fig. 4 is the structural schematic diagram two of the utility model internal rotating air inlet cap assemblies;
Fig. 5 is the structural schematic diagram of air inlet control assembly inside the utility model;
Fig. 6 is the structural schematic diagram of the utility model internal drive wheel assembly;
Fig. 7 is the structural schematic diagram of the utility model internal precipitate exhaust box assembly.
In figure: rotating inlet cap assemblies 1;Intake cover ontology 1-1;Outer gear ring 1-2;Intake elbow 1-3;First filter cylinder 1-4;Only Change cylinder 2;Air inlet control assembly 3;Thwart 3-1;Driving motor 3-2;Motor cabinet 3-3;Fan shaft 3-4;Supply fan 3-5;It passes Movable sprocket 3-6;Driving pulley assembly 4;By movable sprocket 4-1;Transmission gear 4-2;Transmission shaft 4-3;Axle bed plate 4-4;Precipitate fumer Component 5;Settling tank ontology 5-1;Appendix 5-2;Water inlet pipe 5-3;Drainpipe 5-4;Exhaust pipe 5-5;Dehumidification cylinder 5-6.
Specific embodiment
1-7 is described in further detail the utility model with reference to the accompanying drawing.
Specific embodiment 1:
As shown in figs. 1-7, air cleaning unit, including rotating inlet cap assemblies 1, purifying tube 2, air inlet control assembly 3, biography Drive wheel assemblies 4 and precipitating exhaust box assembly 5, the rotating inlet cap assemblies 1, which are rotatably assorted, is connected to the top of purifying tube 2;Institute The lower end for stating air inlet control assembly 3 is fixedly connected on centre inside purifying tube 2, and the upper end of air inlet control assembly 3 is pierced by rotation Air inlet cap assemblies 1, air inlet control assembly 3, which is rotatably assorted, is connected to the centre of rotating inlet cap assemblies 1;The air inlet control assembly 3 upper end transmission connection driving pulley assembly 4, the lower end of driving pulley assembly 4 is fixedly connected on the outer end of purifying tube 2;The transmission The transmission connection rotating inlet cap assemblies 1 of wheel assembly 4;The bottom end of the purifying tube 2 is fixedly connected and is connected to precipitating exhaust box assembly 5.Air inlet control assembly 3 is connected to power supply and is opened by control switch by the air cleaning unit of the utility model when in use Afterwards, the extraction work of outside air is carried out when the supply fan 3-5 inside air inlet control assembly 3 is rotated, extraneous air passes through Rotating inlet cap assemblies 1 enter to the inside of purifying tube 2, after air inlet control assembly 3 is connected to power supply and is opened by control switch, Air inlet control assembly 3 drives driving pulley assembly 4 to carry out rotation work, and driving pulley assembly 4 drives 1 turn of rotating inlet cap assemblies It starts building to make;Rotating inlet cap assemblies 1 can carry out absorption collection to the air of multiple directions simultaneously, and carry out primary filtration, and Rotating inlet cap assemblies 1 can be rotated under the drive of driving pulley assembly 4, and rotating inlet cap assemblies 1 can make when rotating The absorption of air is obtained without dead angle, improves the filter efficiency and filter effect of air.
Specific embodiment 2:
As shown in figs. 1-7, the air inlet control assembly 3 includes thwart 3-1, driving motor 3-2, motor cabinet 3-3, fan Axis 3-4, supply fan 3-5 and drive sprocket 3-6;During the both ends of the thwart 3-1 are fixedly connected on inside purifying tube 2 Between, driving motor 3-2 is fixedly connected on thwart 3-1 by motor cabinet 3-3;The output end of the driving motor 3-2 passes through Shaft coupling connects fan shaft 3-4, and fan shaft 3-4 is rotatably connected on thwart 3-1 by rolling bearing units;Supply fan 3-5 is solid Surely it is connected to the lower end of fan shaft 3-4, the upper end of thwart 3-1 is arranged in supply fan 3-5;Drive sprocket 3-6 is fixedly connected On the top of fan shaft 3-4;The upper end of fan shaft 3-4 is rotatably connected on rotating inlet cap assemblies 1 by rolling bearing units, transmission The upper end of rotating inlet cap assemblies 1 is arranged in sprocket wheel 3-6.When in use, driving motor 3-2 is connected to the air inlet control assembly 3 Power supply and by control switch open after, driving motor 3-2 drive fan shaft 3-4 rotated, fan shaft 3-4 rotate when drive Supply fan 3-5 and drive sprocket 3-6 are rotated, and realize the extraction to outside air, drive sprocket by supply fan 3-5 3-6 drives driving pulley assembly 4 to work.
Specific embodiment 3:
As shown in figs. 1-7, the driving pulley assembly 4 includes by movable sprocket 4-1, transmission gear 4-2, transmission shaft 4-3 and axis Seat board 4-4;It is described by movable sprocket 4-1 by chain connect drive sprocket 3-6, by movable sprocket 4-1 and transmission gear 4-2 by up to Under be fixedly connected on transmission shaft 4-3, the bottom end of transmission shaft 4-3 is rotatably connected on axle bed plate 4-4 by rolling bearing units, axle bed Plate 4-4 is fixedly connected on the outer end of purifying tube 2;The transmission gear 4-2 engagement connection rotating inlet cap assemblies 1.The transmission Wheel assembly 4 is rotated under the drive of drive sprocket 3-6 when in use, by movable sprocket 4-1, passes through transmission by movable sprocket 4-1 Axis 4-3 band nutating gear 4-2 is rotated, and transmission gear 4-2 drives rotating inlet cap assemblies 1 to carry out rotary work.
Specific embodiment 4:
As shown in figs. 1-7, the rotating inlet cap assemblies 1 are curved including intake cover ontology 1-1, outer gear ring 1-2, more air inlets Pipe 1-3 and multiple just filter cylinder 1-4;The lower end of the lateral surface of the intake cover ontology 1-1 is rotatably connected on only by rolling bearing units Change the upper end of 2 inside of cylinder;Around multiple air inlets are arranged on the intake cover ontology 1-1, the upper end on the inside of air inlet is fixed to be connected Intake elbow 1-3 is met and is connected to, the lower end on the inside of air inlet is connected through a screw thread just filter cylinder 1-4;The inside of the just filter cylinder 1-4 It is fixedly connected with activated carbon adsorption filtering meshes;The outer end of the intake cover ontology 1-1 is fixedly connected with outer gear ring 1-2, outer gear ring 1-2 Engagement connection transmission gear 4-2.The rotating inlet cap assemblies 1 when in use, drive of the outer gear ring 1-2 in transmission gear 4-2 Under rotated, outer gear ring 1-2 drive intake cover ontology 1-1, more intake elbow 1-3 and it is multiple just filter cylinder 1-4 rotated, After air enters to just filter cylinder 1-4 self-filtering solid impurity by intake elbow 1-3, the inside for entering to purifying tube 2 is carried out Adsorption treatment.
Activated carbon adsorption layer is fixedly connected on the inner wall of the purifying tube 2.Activated carbon adsorption layer can be in gas Peculiar smell is adsorbed.
The precipitating exhaust box assembly 5 includes settling tank ontology 5-1, appendix 5-2, the water inlet pipe 5- with control valve 3, the drainpipe 5-4 with control valve, exhaust pipe 5-5 and dehumidification cylinder 5-6;Appendix 5-2 is equipped with more, more appendix 5- 2 upper end is fixedly connected with and is connected to purifying tube 2, and the middle-end of more appendix 5-2 is sealedly and fixedly connected in settling tank ontology 5-1 On, the lower end of more appendix 5-2 is inserted into the precipitated liquid inside settling tank ontology 5-1;The left side settling tank ontology 5-1 Upper end is fixedly connected with and is connected to water inlet pipe 5-3, and the lower end of the right side settling tank ontology 5-1 is fixedly connected and communicated drainage pipe 5-4; The upper end of the right side settling tank ontology 5-1 is fixedly connected with and is connected to one end of exhaust pipe 5-5, and the other end of exhaust pipe 5-5 is fixed It is connected to and in communication with dehumidification cylinder 5-6;The inside of the dehumidification cylinder 5-6 is fixedly connected with demisting cotton.The precipitating exhaust box assembly 5 makes Used time, the gas after purified 2 inner wall activated carbon adsorption layer of cylinder absorption peculiar smell enter to settling tank ontology 5- by appendix 5-2 1 inside after gas enters to precipitated liquid internal-response, the inside of dehumidification cylinder 5-6 is entered to by exhaust pipe 5-5, through dehumidifying It is discharged after the dehumidifying of demisting cotton inside cylinder 5-6.
The working principle of the utility model are as follows: when in use, air inlet control assembly 3 is connected to power supply and passes through control switch After unlatching, the supply fan 3-5 inside air inlet control assembly 3 carries out the extraction work of outside air, extraneous air when rotating The inside of purifying tube 2 is entered to by rotating inlet cap assemblies 1, air inlet control assembly 3 is connected to power supply and opens by control switch Qi Hou, air inlet control assembly 3 drive driving pulley assembly 4 to carry out rotation work, and driving pulley assembly 4 drives rotating inlet cap assemblies 1 Carry out rotation work;Rotating inlet cap assemblies 1 can carry out absorption collection to the air of multiple directions simultaneously, and carry out preliminary mistake Filter, and rotating inlet cap assemblies 1 can be rotated under the drive of driving pulley assembly 4, rotating inlet cap assemblies 1 can when rotating So that the absorption of air improves the filter efficiency and filter effect of air without dead angle;The air inlet control assembly 3 is using When, after driving motor 3-2 is connected to power supply and is opened by control switch, driving motor 3-2 drives fan shaft 3-4 to be rotated, It drives supply fan 3-5 and drive sprocket 3-6 to be rotated when fan shaft 3-4 is rotated, is realized by supply fan 3-5 to the external world The extraction of air, drive sprocket 3-6 drive driving pulley assembly 4 to work;The driving pulley assembly 4 when in use, passive chain Wheel 4-1 rotated under the drive of drive sprocket 3-6, by movable sprocket 4-1 by transmission shaft 4-3 band nutating gear 4-2 into Row rotation, transmission gear 4-2 drive rotating inlet cap assemblies 1 to carry out rotary work;The precipitating exhaust box assembly 5 is using When, the gas after purified 2 inner wall activated carbon adsorption layer of cylinder absorption peculiar smell enters to settling tank ontology 5-1 by appendix 5-2 Inside, after gas enters to precipitated liquid internal-response, the inside of dehumidification cylinder 5-6 is entered to by exhaust pipe 5-5, through dehumidification cylinder It is discharged after the dehumidifying of demisting cotton inside 5-6.
Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to In the protection scope of the utility model.

Claims (6)

1. air cleaning unit, including rotating inlet cap assemblies (1), purifying tube (2), air inlet control assembly (3), driving pulley assembly (4) and precipitating is vented box assembly (5), it is characterised in that: the rotating inlet cap assemblies (1), which are rotatably assorted, is connected to purifying tube (2) top;The lower end of the air inlet control assembly (3) is fixedly connected on the internal centre of purifying tube (2), air inlet control assembly (3) upper end is pierced by rotating inlet cap assemblies (1), and air inlet control assembly (3), which is rotatably assorted, is connected to rotating inlet cap assemblies (1) Centre;The upper end of the air inlet control assembly (3) is sequentially connected driving pulley assembly (4), and the lower end of driving pulley assembly (4) is fixed It is connected to the outer end of purifying tube (2);The driving pulley assembly (4) is sequentially connected rotating inlet cap assemblies (1);The purifying tube (2) bottom end is fixedly connected and is connected to precipitating exhaust box assembly (5).
2. air cleaning unit according to claim 1, it is characterised in that: the air inlet control assembly (3) includes horizontal seat Plate (3-1), driving motor (3-2), motor cabinet (3-3), fan shaft (3-4), supply fan (3-5) and drive sprocket (3-6);Institute The both ends for stating thwart (3-1) are fixedly connected on the internal centre of purifying tube (2), and driving motor (3-2) passes through motor cabinet (3-3) It is fixedly connected on thwart (3-1);The output end of the driving motor (3-2) connects fan shaft (3-4) by shaft coupling, wind Fan axis (3-4) is rotatably connected on thwart (3-1) by rolling bearing units;Supply fan (3-5) is fixedly connected on fan shaft (3- 4) lower end, supply fan (3-5) are arranged in the upper end of thwart (3-1);Drive sprocket (3-6) is fixedly connected on fan shaft The top of (3-4);The upper end of fan shaft (3-4) is rotatably connected on rotating inlet cap assemblies (1) by rolling bearing units, transmission chain (3-6) setting is taken turns in the upper end of rotating inlet cap assemblies (1).
3. air cleaning unit according to claim 2, it is characterised in that: the driving pulley assembly (4) includes passive chain Take turns (4-1), transmission gear (4-2), transmission shaft (4-3) and axle bed plate (4-4);It is described to be connected by movable sprocket (4-1) by chain Drive sprocket (3-6) is from top to bottom fixedly connected on transmission shaft (4-3) by movable sprocket (4-1) and transmission gear (4-2), is passed The bottom end of moving axis (4-3) is rotatably connected on axle bed plate (4-4) by rolling bearing units, and axle bed plate (4-4) is fixedly connected on purification The outer end of cylinder (2);Transmission gear (4-2) engagement connection rotating inlet cap assemblies (1).
4. air cleaning unit according to claim 3, it is characterised in that: the rotating inlet cap assemblies (1) include into Gas Gai Benti (1-1), outer gear ring (1-2), more intake elbows (1-3) and multiple just filter cylinders (1-4);The intake cover ontology The lower end of the lateral surface of (1-1) is rotatably connected on the upper end on the inside of purifying tube (2) by rolling bearing units;The intake cover ontology Around multiple air inlets are arranged on (1-1), the upper end on the inside of air inlet is fixedly connected and is connected to intake elbow (1-3), air inlet The lower end of inside is connected through a screw thread just filter cylinder (1-4);The inside of the just filter cylinder (1-4) is fixedly connected with activated carbon adsorption filtering Stratum reticulare;The outer end of the intake cover ontology (1-1) is fixedly connected outer gear ring (1-2), outer gear ring (1-2) engagement connection transmission gear (4-2)。
5. air cleaning unit according to claim 1, it is characterised in that: fixed on the inner wall of the purifying tube (2) to connect It is connected to activated carbon adsorption layer.
6. air cleaning unit according to claim 1, it is characterised in that: precipitating exhaust box assembly (5) includes heavy Shallow lake case ontology (5-1), appendix (5-2), the water inlet pipe (5-3) with control valve, the drainpipe (5- with control valve 4), exhaust pipe (5-5) and dehumidification cylinder (5-6);Appendix (5-2) is equipped with more, and the upper end of more appendixs (5-2) is fixedly connected And purifying tube (2) are connected to, the middle-end of more appendixs (5-2) is sealedly and fixedly connected on settling tank ontology (5-1), more gas transmissions The lower end of pipe (5-2) is inserted into the internal precipitated liquid of settling tank ontology (5-1);The upper end of the left side settling tank ontology (5-1) It is fixedly connected and is connected to water inlet pipe (5-3), the lower end of the right side settling tank ontology (5-1) is fixedly connected and communicated drainage pipe (5- 4);The upper end of the right side settling tank ontology (5-1) is fixedly connected with and is connected to one end of exhaust pipe (5-5), exhaust pipe (5-5) it is another One end is fixedly connected and is connected to dehumidification cylinder (5-6);The inside of the dehumidification cylinder (5-6) is fixedly connected with demisting cotton.
CN201820967475.1U 2018-06-22 2018-06-22 Air cleaning unit Active CN208878255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820967475.1U CN208878255U (en) 2018-06-22 2018-06-22 Air cleaning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820967475.1U CN208878255U (en) 2018-06-22 2018-06-22 Air cleaning unit

Publications (1)

Publication Number Publication Date
CN208878255U true CN208878255U (en) 2019-05-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820967475.1U Active CN208878255U (en) 2018-06-22 2018-06-22 Air cleaning unit

Country Status (1)

Country Link
CN (1) CN208878255U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116907931A (en) * 2023-07-14 2023-10-20 沧州市农林科学院 Small ammonia volatile gas collecting device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116907931A (en) * 2023-07-14 2023-10-20 沧州市农林科学院 Small ammonia volatile gas collecting device
CN116907931B (en) * 2023-07-14 2024-04-05 沧州市农林科学院 Small ammonia volatile gas collecting device

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20231120

Address after: 224000 East side of Dafenggang Road, Dafenggang Marine Biotechnology Park, Dafeng District, Yancheng City, Jiangsu Province

Patentee after: Jiangsu Youdu Biotechnology Co.,Ltd.

Address before: No. 6 Yandong New Road, Lixia District, Jinan City, Shandong Province, 250000

Patentee before: Sun Miao

TR01 Transfer of patent right