CN220887975U - Efficient nylon yarn spinning cleaning machine - Google Patents

Efficient nylon yarn spinning cleaning machine Download PDF

Info

Publication number
CN220887975U
CN220887975U CN202322212319.8U CN202322212319U CN220887975U CN 220887975 U CN220887975 U CN 220887975U CN 202322212319 U CN202322212319 U CN 202322212319U CN 220887975 U CN220887975 U CN 220887975U
Authority
CN
China
Prior art keywords
box body
box
cleaning
nylon yarn
inner cavity
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.)
Active
Application number
CN202322212319.8U
Other languages
Chinese (zh)
Inventor
陈霏
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.)
Wujiang Hantong Textile Co ltd
Original Assignee
Wujiang Hantong Textile Co ltd
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 Wujiang Hantong Textile Co ltd filed Critical Wujiang Hantong Textile Co ltd
Priority to CN202322212319.8U priority Critical patent/CN220887975U/en
Application granted granted Critical
Publication of CN220887975U publication Critical patent/CN220887975U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cleaning In General (AREA)

Abstract

The application discloses a high-efficiency nylon spinning cleaning machine, which comprises a box body, wherein a cleaning assembly is arranged in the inner cavity of the box body, the cleaning assembly comprises a cleaning roller, a rotating shaft, a power motor and a gear, the inner cavity of the box body is rotatably connected with a plurality of rotating shafts through bearings, and the outer surfaces of the rotating shafts are fixedly provided with the cleaning roller. The cleaning assembly is arranged, the power motor is started, so that the plurality of cleaning rollers are driven to rotate, the plurality of cleaning rollers rotate to clean the nylon yarn, when the cleaned nylon yarn moves between the first extrusion roller and the second extrusion roller, the moisture on the surface of the cleaned nylon yarn can be removed, the cleaning effect on the nylon yarn can be improved, and the cleaning force on the nylon yarn is enhanced; through setting up stoving subassembly, open fan and electrical heating net, the fan heats the air of outside and blows to the nylon yarn surface, dries nylon yarn two sides, not only improves the stoving effect, has still improved the production quality that nylon yarn spun.

Description

Efficient nylon yarn spinning cleaning machine
Technical Field
The application relates to the technical field of fabric processing, in particular to a high-efficiency nylon spinning cleaning machine.
Background
Nylon yarn spinning is also called nylon spinning, and is a spinning type yarn fabric made of nylon filaments. The fabric has the characteristics of smoothness, fineness, smooth silk surface, soft hand feeling, light, thin, firm, wear-resistant, bright in color, easy to wash, quick-dry and the like, and is mainly used as a fabric for men and women. After the nylon fabric is reproduced, the corresponding cleaning is needed, so that the purposes of removing the original paste and the floating color, enhancing the hand feeling of the fabric, displaying clear and bright patterns and ensuring good color fastness are achieved.
CN216006275U is belt cleaning device for nylon production, which comprises a box body, the right side of box is equipped with the chamber door, the internal surface outside rigid coupling of chamber door has the sealing strip, the left side of box is equipped with the hasp, the front surface embedding rigid coupling of chamber door has the observation window, the inside of box is equipped with the surface fabric.
The existing efficient nylon spinning cleaning machine is inconvenient to remove redundant water on the surface of the spun nylon after cleaning, has poor cleaning effect on the spun nylon and is inconvenient to dry the two sides of the spun nylon. Therefore, an efficient nylon yarn cleaning machine is provided for the problems.
Disclosure of Invention
The embodiment provides a high-efficiency nylon yarn spinning cleaning machine which is used for solving the problems that in the prior art, excessive moisture on the surface of spun nylon yarn after cleaning is inconvenient to remove, the cleaning effect on the spun nylon yarn is poor, and drying of two sides of spun nylon yarn is inconvenient.
According to one aspect of the application, a high-efficiency nylon spinning cleaning machine is provided, and comprises a box body, wherein a cleaning assembly is arranged in an inner cavity of the box body, the cleaning assembly comprises a cleaning roller, a rotating shaft, a power motor and gears, the inner cavity of the box body is rotationally connected with a plurality of rotating shafts through bearings, the outer surfaces of the rotating shafts are fixedly provided with the cleaning roller, one ends of the rotating shafts extend to the outer ends of the box body and are respectively sleeved with the gears, the gears are in meshed connection, one side of the box body is fixedly connected with a fixed shell, the inner cavity of the fixed shell is fixedly provided with the power motor, and an output shaft of the power motor is fixedly connected with one of the rotating shafts;
The novel plastic box comprises a box body, and is characterized in that a first partition plate is fixedly installed at the top end of an inner cavity of the box body, an extrusion assembly is arranged at the bottom end of the first partition plate, the extrusion assembly comprises an installation groove, a reset spring, a telescopic rod, a limiting plate, a first installation frame and a first extrusion roller, two installation grooves are respectively formed in the inner cavity of the first partition plate, the telescopic rods are respectively and fixedly installed in the inner cavities of the installation grooves, one ends of the telescopic rods are respectively and fixedly connected with the limiting plate, the reset spring is sleeved on the outer surfaces of the telescopic rods, two ends of the reset spring are respectively and fixedly connected with one side of the limiting plate and the top end of the installation groove, one side of the limiting plate is respectively and fixedly provided with the first installation frame, and one side of the first installation frame is rotationally connected with the first extrusion roller through a rotating shaft;
The inner chamber of box is located one side of first baffle and second baffle and is provided with stoving subassembly, stoving subassembly includes fixed box, fan, electrical heating net and protection network, the top and the bottom of the inner chamber of box are fixed mounting respectively and are had the fixed box, two the inner chamber of fixed box has the fan through motor frame fixed mounting, the inner chamber one end fixed mounting of fixed box has the protection network, two one side that the protection network was kept away from to the inner chamber of fixed box is fixed mounting respectively has the electrical heating net.
Further, the inner chamber fixed mounting of box has conduit, conduit's bottom intercommunication has a plurality of cleaning nozzle, the top of box from left to right fixed mounting has water storage box and water pump in proper order, the top intercommunication of water storage box has the inlet tube, the bottom intercommunication of water pump has the connecting pipe, the connecting pipe extends to box inner chamber and conduit intercommunication.
Further, the inner chamber bottom end fixed mounting of box has the second baffle, the top fixed mounting of second baffle has the second mounting bracket, and one side of two second mounting brackets is connected with the second squeeze roller through the pivot rotation.
Further, a feed inlet and a discharge outlet are formed in the side walls of the left side and the right side of the box body, and the outer end of the box body is positioned at the feed inlet and the discharge outlet and is fixedly provided with a first guide roller and a second guide roller respectively.
Further, the inner chamber bottom end fixed mounting of box has the guide plate, the lateral wall of box is located the lower regional intercommunication of guide plate and has the drain pipe, the drain pipe is located the outer end of box and is provided with the drain valve.
Further, one side of the box body is rotatably connected with a box door through a hinge, and a handle is fixedly arranged on one side of the box door.
Further, a plurality of supporting legs are fixedly arranged at the bottom end of the box body, and the number of the supporting legs is four.
According to the embodiment of the application, the cleaning assembly is arranged, the power motor is started, so that the plurality of cleaning rollers are driven to rotate, the plurality of cleaning rollers rotate to clean the nylon yarn, when the cleaned nylon yarn moves between the first extrusion roller and the second extrusion roller, the moisture on the surface of the cleaned nylon yarn can be removed, the cleaning effect on the nylon yarn can be improved, and the cleaning force on the nylon yarn is enhanced; through setting up stoving subassembly, open fan and electrical heating net, the fan heats the air of outside and blows to the nylon yarn surface, dries nylon yarn two sides, not only improves the stoving effect, has still improved the production quality that nylon yarn spun.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic diagram of the front internal structure of an embodiment of the present application;
FIG. 3 is a schematic side view of an embodiment of the present application;
fig. 4 is a schematic diagram of the structure at a in fig. 2 according to an embodiment of the present application.
In the figure: 1. the device comprises a drain valve, a drain pipe, a guide plate, a first guide roller and a second guide roller, wherein the drain valve, the drain pipe, the guide plate and the first guide roller are arranged in the same row; 5. the device comprises a feed inlet, 6, a rotating shaft, 7, a cleaning roller, 8, a cleaning spray head, 9, a water conveying pipeline, 10, a connecting pipe, 11, a water pump, 12, a water suction pipe, 13, a water storage tank, 14, a water inlet pipe, 15, a first partition plate, 16, a fan, 17, a protective net, 18, an electric heating net, 19, a fixed box, 20, a second guide roller, 21, a discharge hole, 22, a box, 23, a supporting leg, 24, a second mounting bracket, 25, a second partition plate, 26, a second squeeze roller, 27, a rotating door, 28, a handle, 29, a reset spring, 30, a telescopic rod, 31, a mounting groove, 32, a second squeeze roller, 33, a first mounting bracket, 34, a limiting plate, 35, a gear, 36 and a power motor.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-4, an efficient nylon spinning cleaning machine comprises a box 22, wherein a cleaning component is arranged in an inner cavity of the box 22, the cleaning component comprises a cleaning roller 7, a rotating shaft, a power motor 36 and gears 35, the inner cavity of the box 22 is rotatably connected with a plurality of rotating shafts 6 through bearings, the outer surfaces of the rotating shafts 6 are fixedly provided with the cleaning roller 7, one ends of the rotating shafts 6 extend to the outer ends of the box 22 and are respectively sleeved with the gears 35, the gears 35 are in meshed connection, one side of the box 22 is fixedly connected with a fixing shell 37, the power motor 36 is fixedly arranged in the inner cavity of the fixing shell 37, and an output shaft of the power motor 36 is fixedly connected with one of the rotating shafts 35;
The first partition plate 15 is fixedly installed at the top end of the inner cavity of the box body 22, the extrusion assembly is arranged at the bottom end of the first partition plate 15 and comprises an installation groove 31, a return spring 29, a telescopic rod 30, a limiting plate 34, a first installation frame 33 and a first extrusion roller 32, two installation grooves 31 are respectively formed in the inner cavity of the first partition plate 15, the telescopic rod 30 is fixedly installed in the inner cavity of each installation groove 31, one ends of the two telescopic rods 30 are fixedly connected with the limiting plate 34 respectively, the return spring 29 is sleeved on the outer surface of each telescopic rod 30, two ends of each return spring 29 are fixedly connected with one side of each limiting plate 34 and the top end of each installation groove 31 respectively, one side of each limiting plate 34 is fixedly provided with the first installation frame 33, and one side of each first installation frame 33 is rotatably connected with the first extrusion roller 32 through a rotating shaft;
The inner chamber of box 22 is located one side of first baffle 15 and second baffle 25 and is provided with stoving subassembly, stoving subassembly includes fixed box 19, fan 16, electric heating net 18 and protection network 17, the top and the bottom of the inner chamber of box 22 are fixed mounting respectively has fixed box 19, two the inner chamber of fixed box 19 has fan 16 through motor frame fixed mounting, the inner chamber one end fixed mounting of fixed box 19 has protection network 17, two the inner chamber of fixed box 19 is kept away from one side of protection network 17 and is fixed mounting respectively has electric heating net 18.
The inner cavity of the box body 22 is fixedly provided with a water conveying pipeline 9, the bottom end of the water conveying pipeline 9 is communicated with a plurality of cleaning spray heads 8, the top end of the box body 22 is sequentially fixedly provided with a water storage tank 13 and a water pump 11 from left to right, the top end of the water storage tank 13 is communicated with a water inlet pipe 14, the bottom end of the water pump 11 is communicated with a connecting pipe 10, and the connecting pipe 10 extends to the inner cavity of the box body 22 and is communicated with the water conveying pipeline 9.
The inner chamber bottom fixed mounting of box 22 has second baffle 25, the top fixed mounting of second baffle 25 has second mounting bracket 24, two one side of second mounting bracket 24 is connected with second squeeze roll 26 through the pivot rotation.
The left and right side walls of the box body 22 are provided with a feed inlet 5 and a discharge outlet 21, and the outer end of the box body 22 is positioned at the feed inlet 5 and the discharge outlet 21 and is fixedly provided with a first guide roller 32 and a second guide roller 26 respectively.
The inner chamber bottom fixed mounting of box 22 has guide plate 3, the lateral wall of box 22 is located the lower region intercommunication of guide plate 3 and has drain pipe 2, drain pipe 2 is located the outer end of box 22 and is provided with drain valve 1.
One side of the box body 22 is rotatably connected with a box door 27 through a hinge, and a handle 28 is fixedly arranged on one side of the box door 27.
The bottom end of the box body 22 is fixedly provided with a plurality of supporting legs 23, and the number of the supporting legs 23 is four.
When the nylon yarn spinning machine is used, nylon yarn spinning respectively passes through the feeding port 5 and the discharging port 21, when the nylon yarn spinning enters between the plurality of cleaning rollers 7 through the first guide roller 4, the water pump 11 is started, water is sprayed on the nylon yarn spinning and the cleaning rollers 7 from the cleaning spray head 8 through the connecting pipe 12 to wet the nylon yarn spinning, the cleaning rollers 7 clean the upper surface and the lower surface of the nylon yarn spinning, the power motor 36 is started, the output shaft of the power motor 36 drives the rotating shaft to rotate 6, the rotating shaft 6 rotates to drive the gear 35 to rotate, so that the plurality of cleaning rollers 7 are driven to rotate, the plurality of cleaning rollers 7 rotate to clean the nylon yarn spinning, when the nylon yarn spinning moves between the first extruding roller 32 and the second extruding roller 26, the water on the surface of the cleaned nylon yarn spinning can be removed, when the nylon yarn spinning moves between the two fixing boxes 19 after the water is extruded, the fan 16 and the electric heating net 18 are opened, the air outside is heated and blown to the surfaces of the nylon yarn spinning, the nylon yarn spinning is dried, and after the cleaning is completed, the redundant water enters the drain pipe 2 through the drain pipe 1, and the drain valve is discharged.
The application has the advantages that:
1. Through setting up the cleaning assembly, start power motor 36, power motor 36's output shaft drives axis of rotation and rotates 6, and axis of rotation 6 rotates and drives gear 35 and rotate to drive a plurality of cleaning rollers 7 and rotate, a plurality of cleaning rollers 7 rotate and wash the nylon yarn, when the nylon yarn is moved between first squeeze roll 32 and second squeeze roll 26, can get rid of the moisture on the nylon yarn surface after wasing, can improve the cleaning performance to the nylon yarn, has strengthened the washing dynamics to the nylon yarn.
2. Through setting up the stoving subassembly, open fan 16 and electric heating net 18, fan 16 heats the air of outside and blows to the nylon yarn surface, dries nylon yarn two sides, has not only improved the stoving effect, has still improved the production quality that nylon yarn spun.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. An efficient nylon yarn cleaning machine which is characterized in that: the cleaning device comprises a box body (22), wherein a cleaning assembly is arranged in an inner cavity of the box body (22), the cleaning assembly comprises a cleaning roller (7), rotating shafts (6), a power motor (36) and gears (35), the inner cavity of the box body (22) is rotationally connected with a plurality of rotating shafts (6) through bearings, the outer surfaces of the rotating shafts (6) are fixedly provided with the cleaning roller (7), one ends of the rotating shafts (6) extend to the outer ends of the box body (22) and are respectively sleeved with the gears (35), the gears (35) are in meshed connection, one side of the box body (22) is fixedly connected with a fixing shell (37), the inner cavity of the fixing shell (37) is fixedly provided with the power motor (36), and an output shaft of the power motor (36) is fixedly connected with one of the rotating shafts (6);
The novel plastic box comprises a box body (22), wherein a first partition plate (15) is fixedly arranged at the top end of an inner cavity of the box body (22), an extrusion assembly is arranged at the bottom end of the first partition plate (15), the extrusion assembly comprises a mounting groove (31), a return spring (29), a telescopic rod (30), a limiting plate (34), a first mounting frame (33) and a first extrusion roller (32), two mounting grooves (31) are respectively arranged in the inner cavity of the first partition plate (15), the telescopic rod (30) is respectively and fixedly arranged in the inner cavities of the two mounting grooves (31), the limiting plate (34) is fixedly connected to one end of each telescopic rod (30), the return spring (29) is sleeved on the outer surface of each telescopic rod (30), two ends of each return spring (29) are respectively and fixedly connected with one side of each limiting plate (34) and the top end of each mounting groove (31), one side of each limiting plate (34) is respectively and fixedly provided with the first mounting frame (33), and one side of each first mounting frame (33) is rotatably connected with the first extrusion roller (32);
The inner chamber of box (22) is located one side of first baffle (15) and second baffle (25) and is provided with stoving subassembly, stoving subassembly is including fixed case (19), fan (16), electrical heating net (18) and protection network (17), the top and the bottom of the inner chamber of box (22) are fixed respectively and are installed fixed case (19), two the inner chamber of fixed case (19) has fan (16) through motor frame fixed mounting, the inner chamber one end fixed mounting of fixed case (19) has protection network (17), two one side that the inner chamber of fixed case (19) kept away from protection network (17) is fixed respectively and is installed electrical heating net (18).
2. The efficient nylon spin cleaning machine of claim 1, wherein: the inner cavity fixed mounting of box (22) has conduit (9), the bottom intercommunication of conduit (9) has a plurality of washing shower nozzles (8), the top of box (22) from left to right fixed mounting has water storage tank (13) and water pump (11) in proper order, the top intercommunication of water storage tank (13) has inlet tube (14), the bottom intercommunication of water pump (11) has connecting pipe (10), connecting pipe (10) extend to the inner cavity of box (22) and conduit (9) intercommunication.
3. The efficient nylon spin cleaning machine of claim 1, wherein: the inner chamber bottom fixed mounting of box (22) has second baffle (25), the top fixed mounting of second baffle (25) has second mounting bracket (24), and one side of two second mounting bracket (24) is connected with second squeeze roll (26) through the pivot rotation.
4. The efficient nylon spin cleaning machine of claim 1, wherein: the left side wall and the right side wall of the box body (22) are provided with a feed inlet (5) and a discharge outlet (21), and the outer end of the box body (22) is positioned at the feed inlet (5) and the discharge outlet (21) and is fixedly provided with a first guide roller (4) and a second guide roller (20) respectively.
5. The efficient nylon spin cleaning machine of claim 1, wherein: the inner cavity bottom end of the box body (22) is fixedly provided with a guide plate (3), a region, which is lower than the guide plate (3), of the side wall of the box body (22) is communicated with a drain pipe (2), and the outer end, which is positioned on the box body (22), of the drain pipe (2) is provided with a drain valve (1).
6. The efficient nylon spin cleaning machine of claim 1, wherein: one side of the box body (22) is rotatably connected with a box door (27) through a hinge, and a handle (28) is fixedly arranged on one side of the box door (27).
7. The efficient nylon spin cleaning machine of claim 1, wherein: the bottom end of the box body (22) is fixedly provided with a plurality of supporting legs (23), and the number of the supporting legs (23) is four.
CN202322212319.8U 2023-08-17 2023-08-17 Efficient nylon yarn spinning cleaning machine Active CN220887975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322212319.8U CN220887975U (en) 2023-08-17 2023-08-17 Efficient nylon yarn spinning cleaning machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322212319.8U CN220887975U (en) 2023-08-17 2023-08-17 Efficient nylon yarn spinning cleaning machine

Publications (1)

Publication Number Publication Date
CN220887975U true CN220887975U (en) 2024-05-03

Family

ID=90876798

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322212319.8U Active CN220887975U (en) 2023-08-17 2023-08-17 Efficient nylon yarn spinning cleaning machine

Country Status (1)

Country Link
CN (1) CN220887975U (en)

Similar Documents

Publication Publication Date Title
CN112620170B (en) Quick and efficient mechanical part cleaning device
CN212782880U (en) Drying device for cable processing
CN214168382U (en) Make things convenient for belt cleaning device for polyester fabric production
CN113668158A (en) Novel cleaning and drying device before dyeing of textile fabric
CN112921537B (en) Water-saving printing and dyeing equipment
CN112831954A (en) Textile fabric is with washing stoving integration equipment
CN112176590A (en) Washing equipment for textile material processing
CN215668522U (en) Surface fabric belt cleaning device for textile processing
CN112066691B (en) Drying device for textile cloth with double-side cleaning function
CN220887975U (en) Efficient nylon yarn spinning cleaning machine
CN211848574U (en) Textile material mechanical treatment device
CN212000216U (en) Printing and dyeing fabric washing device
CN210512502U (en) Fabric drying device for fiber yarn spinning
CN210788298U (en) Belt cleaning device is used in production of nanometer cellulose membrane
CN113718446B (en) Washing device and washing method for textile safety protection textile material
CN216141734U (en) Textile cleaning and drying device
CN210946283U (en) Drying net cleaning device
CN210262422U (en) Weaving is with weaving cloth belt cleaning device
CN219603897U (en) Ramie cloth washs stoving all-in-one
CN113846449B (en) Fabric cleaning device
CN217222627U (en) Cleaning machine with drying function
CN220685490U (en) Interweaving fabric printing and dyeing equipment
CN220793712U (en) Drying device of textile yarns
CN214458791U (en) Batting processing apparatus is used in clothing production and processing
CN212477114U (en) Printing and dyeing device capable of cleaning fabric

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant